BE795478A - Films composites en polyesters et leur procede de fabrication - Google Patents
Films composites en polyesters et leur procede de fabricationInfo
- Publication number
- BE795478A BE795478A BE795478DA BE795478A BE 795478 A BE795478 A BE 795478A BE 795478D A BE795478D A BE 795478DA BE 795478 A BE795478 A BE 795478A
- Authority
- BE
- Belgium
- Prior art keywords
- polyesters
- manufacturing process
- composite films
- films
- composite
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/244—All polymers belonging to those covered by group B32B27/36
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/516—Oriented mono-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/518—Oriented bi-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/746—Slipping, anti-blocking, low friction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/91—Product with molecular orientation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/918—Material abnormally transparent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31—Surface property or characteristic of web, sheet or block
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Magnetic Record Carriers (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7205115A FR2177471B1 (fr) | 1972-02-16 | 1972-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE795478A true BE795478A (fr) | 1973-08-16 |
Family
ID=9093559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE795478D BE795478A (fr) | 1972-02-16 | Films composites en polyesters et leur procede de fabrication |
Country Status (13)
Country | Link |
---|---|
US (1) | US3900653A (fr) |
JP (1) | JPS5127475B2 (fr) |
BE (1) | BE795478A (fr) |
CA (1) | CA1018317A (fr) |
CH (1) | CH568839A5 (fr) |
DE (1) | DE2302963C3 (fr) |
DK (1) | DK137599B (fr) |
FR (1) | FR2177471B1 (fr) |
GB (1) | GB1397653A (fr) |
IT (1) | IT977329B (fr) |
LU (1) | LU67036A1 (fr) |
NL (1) | NL161087C (fr) |
SE (1) | SE412185B (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1453998A (en) * | 1973-05-11 | 1976-10-27 | Teijin Ltd | Polyester magnetic tape |
US4198458A (en) * | 1973-05-11 | 1980-04-15 | Teijin Limited | Laminate polyester films |
US4041206A (en) * | 1974-03-03 | 1977-08-09 | Toray Industries, Inc. | Laminated polyester film |
JPS578648B2 (fr) * | 1974-05-17 | 1982-02-17 | ||
US4011358A (en) * | 1974-07-23 | 1977-03-08 | Minnesota Mining And Manufacturing Company | Article having a coextruded polyester support film |
US4095760A (en) * | 1975-10-10 | 1978-06-20 | James A. Black | Structural skin construction materials and method |
JPS53129264A (en) * | 1977-04-19 | 1978-11-11 | Honshu Paper Co Ltd | Production of stretched polypropylene film with rough surface |
JPS5522239A (en) * | 1978-08-02 | 1980-02-16 | Fuji Photo Film Co Ltd | Leader or trailer tape |
DE7832840U1 (de) * | 1978-11-04 | 1979-03-29 | Hoechst Ag | Faelschungssichere Folie |
DE3126979A1 (de) * | 1980-01-09 | 1982-09-30 | Roland Dipl.-Kfm. 7022 Leinfelden-Echterdingen Belz | Verbundfolie |
DE3000516A1 (de) * | 1980-01-09 | 1981-07-16 | Roland Dipl.-Kfm. 7022 Leinfelden-Echterdingen Belz | Verbundfolie, insbesondere toilettensitzauflage, sowie verfahren und vorrichtung zu ihrer herstellung |
EP0035835B1 (fr) * | 1980-03-12 | 1984-03-14 | Imperial Chemical Industries Plc | Stratifié de feuilles en polyester |
JPS58148795A (ja) * | 1982-03-02 | 1983-09-03 | Sony Corp | 昇華転写式カラ−ハ−ドコピ−用印画紙 |
US4599259A (en) * | 1982-10-25 | 1986-07-08 | Sony Corporation | Cover film for sublimation transfer type hard copy |
DE3248670A1 (de) * | 1982-12-30 | 1984-07-05 | Hoechst Ag, 6230 Frankfurt | Polyestermehrschichtfolie mit thermoplastisch praegbarer innenschicht |
JPS59195322A (ja) * | 1983-04-20 | 1984-11-06 | Toray Ind Inc | 磁気デイスク |
FR2548958B1 (fr) * | 1983-07-13 | 1986-03-21 | Rhone Poulenc Films | Films polyesters composites |
US4546036A (en) * | 1983-12-22 | 1985-10-08 | Minnesota Mining And Manufacturing Company | Magnetic recording medium having opaque polyester film base |
FR2580226B1 (fr) * | 1985-04-15 | 1987-08-14 | Rhone Poulenc Films | Films polyesters, composites, etires utilisables notamment pour arts graphiques. procede d'obtention de tels films |
GB2189772B (en) * | 1986-04-28 | 1989-12-13 | Tetra Pak Int | A liquid pack and method of manufacture thereof |
JPH0399847A (ja) * | 1989-09-14 | 1991-04-25 | Toray Ind Inc | 二軸配向熱可塑性樹脂フイルム |
WO1991004856A1 (fr) * | 1989-09-27 | 1991-04-18 | Toray Industries, Inc. | Film polyester composite |
GB9324989D0 (en) * | 1992-12-23 | 1994-01-26 | Ici Plc | Polymeric film |
EP0604057A1 (fr) * | 1992-12-23 | 1994-06-29 | Imperial Chemical Industries Plc | Film polymère |
US5759467A (en) * | 1996-03-08 | 1998-06-02 | Minnesota Mining And Manufacturing Company | Method for making multilayer polyester film |
DE102004032596A1 (de) * | 2004-07-06 | 2006-02-16 | Mitsubishi Polyester Film Gmbh | Mehrschichtige, matte, thermoformbare, IR-reflektierende Polyesterfolie |
DE102004032595A1 (de) * | 2004-07-06 | 2006-02-16 | Mitsubishi Polyester Film Gmbh | Matte, thermoformbare, IR-reflektierende Polyesterfolie |
US20120310186A1 (en) * | 2011-06-06 | 2012-12-06 | Tyco Healthcare Group Lp | Dressings and Related Methods Therefor |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3322614A (en) * | 1963-03-21 | 1967-05-30 | Mayer & Co Inc O | Laminated packaging material and method of forming same |
US3423281A (en) * | 1964-03-10 | 1969-01-21 | Goodyear Tire & Rubber | Copolyesters of mixed phthalic acids,aliphatic dicarboxylic acids and tetramethylene glycol |
US3515626A (en) * | 1965-02-22 | 1970-06-02 | Ici Ltd | Thermoplastic laminates having improved surface properties |
US3574048A (en) * | 1967-06-07 | 1971-04-06 | Schjeldahl Co G T | Adhesive for system copper-polyethylene terephthalate laminates |
JPS4640794B1 (fr) * | 1968-03-26 | 1971-12-02 | ||
US3627625A (en) * | 1970-05-27 | 1971-12-14 | Ici Ltd | Biaxially oriented sheet |
US3836620A (en) * | 1971-02-26 | 1974-09-17 | Allied Chem | Method of forming polyamide-polyethylene composite films |
US3790653A (en) * | 1971-12-29 | 1974-02-05 | Eastman Kodak Co | Polyester film base having uniform high optical density |
-
0
- BE BE795478D patent/BE795478A/fr not_active IP Right Cessation
-
1972
- 1972-02-16 FR FR7205115A patent/FR2177471B1/fr not_active Expired
-
1973
- 1973-01-22 DE DE2302963A patent/DE2302963C3/de not_active Expired
- 1973-02-13 US US05332183 patent/US3900653A/en not_active Expired - Lifetime
- 1973-02-14 JP JP1822173A patent/JPS5127475B2/ja not_active Expired
- 1973-02-14 IT IT4823073A patent/IT977329B/it active
- 1973-02-15 GB GB758673A patent/GB1397653A/en not_active Expired
- 1973-02-15 SE SE7302146A patent/SE412185B/sv unknown
- 1973-02-15 LU LU67036A patent/LU67036A1/xx unknown
- 1973-02-15 DK DK81573A patent/DK137599B/da not_active IP Right Cessation
- 1973-02-15 CA CA163,796A patent/CA1018317A/fr not_active Expired
- 1973-02-15 CH CH221873A patent/CH568839A5/xx not_active IP Right Cessation
- 1973-02-15 NL NL7302149A patent/NL161087C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5127475B2 (fr) | 1976-08-12 |
NL161087B (nl) | 1979-08-15 |
JPS48103684A (fr) | 1973-12-26 |
CA1018317A (fr) | 1977-10-04 |
FR2177471A1 (fr) | 1973-11-09 |
DE2302963B2 (de) | 1979-03-08 |
DK137599B (da) | 1978-04-03 |
SE412185B (sv) | 1980-02-25 |
DE2302963A1 (de) | 1973-08-23 |
NL161087C (nl) | 1980-01-15 |
GB1397653A (en) | 1975-06-18 |
US3900653A (en) | 1975-08-19 |
LU67036A1 (fr) | 1973-04-19 |
FR2177471B1 (fr) | 1975-03-21 |
DE2302963C3 (de) | 1979-10-31 |
IT977329B (it) | 1974-09-10 |
CH568839A5 (fr) | 1975-11-14 |
NL7302149A (fr) | 1973-08-20 |
DK137599C (fr) | 1978-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE795478A (fr) | Films composites en polyesters et leur procede de fabrication | |
BE764609A (fr) | Article composite resine-fibres et son procede de fabrication | |
FR1469837A (fr) | Stratifiés et leur procédé de fabrication | |
BE764608A (fr) | Article composite resine-fibres et son procede de production | |
BE797454A (fr) | Procede de fabrication de couches minces de tantale et couches obtenues | |
BE801444A (fr) | Matereaux stratifies et leur procede de preparation | |
BE793101A (fr) | Pellicule stratifiee et son procede de fabrication | |
BE798446A (fr) | Matiere ceramique et son procede de fabrication | |
FR2330260A5 (fr) | Feuilles thermocopiantes et leur procede de fabrication | |
BE759720A (fr) | Articles de rembourrage perfectionnes et leur procede de fabrication | |
BE774720A (fr) | Polyesters thermo-stabilises et leur procede de fabrication | |
BE761984A (fr) | Pellicules thermo-scellables et procede pour leur fabrication | |
BE816028R (fr) | Films composites en polyesters et leur procede de fabrication | |
FR2312617A1 (fr) | Elements de construction composites et leur procede de fabrication | |
BE804522A (nl) | Werkwijze ter vervaardiging van gelaagd materiaal en volgens deze werkwijze vervaardigd gelaagd materiaal | |
BE801692A (fr) | Stratifies et leur procede de fabrication | |
BE757453A (fr) | Nouveaux materiaux composites et procede pour leur fabrication | |
BE806858A (fr) | Pellicules de diazotypie et leur production | |
BE801184A (fr) | Transducteurs magnetiques perfectionnes et leur procede de fabrication | |
BE792595A (fr) | Stratifie metallique et son procede de fabrication | |
BE774721A (fr) | Polyesters thermo-stabilises et leur procede de fabrication | |
BE805932A (fr) | Procede et installation de fabrication en continu de panneaux composites | |
BE793841A (fr) | Articles de rembourrage perfectionnes et leur procede de fabrication | |
BE807134A (fr) | Polyesters insatures surhalogenes et leur procede de fabrication | |
BE760867A (fr) | Films thermoplastiques de planeite amelioree et procede pour leur fabrication |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: LA CELLOPHANE Effective date: 19930215 |