AR218936A1 - PROCEDURE FOR PREPARING CELLULOSE TO CONIFER SULPHITE, FROM MEDIUM TO HIGH VISCOSITY - Google Patents

PROCEDURE FOR PREPARING CELLULOSE TO CONIFER SULPHITE, FROM MEDIUM TO HIGH VISCOSITY

Info

Publication number: AR218936A1
Authority: AR; Argentina
Prior art keywords: conifer; sulphite; procedure; medium; high viscosity
Prior art date: 1977-09-20

Application number

AR273785A

Other languages

Spanish (es)

Original Assignee

Degussa

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1977-09-20

Filing date

1978-09-20

Publication date

1980-07-15

1978-09-20 Application filed by Degussa filed Critical Degussa

1980-07-15 Application granted granted Critical

1980-07-15 Publication of AR218936A1 publication Critical patent/AR218936A1/en

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Cosmetics (AREA)
Sanitary Thin Papers (AREA)

AR273785A 1977-09-20 1978-09-20 PROCEDURE FOR PREPARING CELLULOSE TO CONIFER SULPHITE, FROM MEDIUM TO HIGH VISCOSITY AR218936A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2742262A DE2742262C2 (en)	1977-09-20	1977-09-20	Process for the production of a medium to high viscosity softwood sulphite pulp

Publications (1)

Publication Number	Publication Date
AR218936A1 true AR218936A1 (en)	1980-07-15

Family

ID=6019413

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AR273785A AR218936A1 (en)	1977-09-20	1978-09-20	PROCEDURE FOR PREPARING CELLULOSE TO CONIFER SULPHITE, FROM MEDIUM TO HIGH VISCOSITY

Country Status (16)

Country	Link
JP (1)	JPS5455606A (en)
AR (1)	AR218936A1 (en)
AT (1)	AT367812B (en)
BE (1)	BE870607A (en)
BR (1)	BR7806050A (en)
CA (1)	CA1133660A (en)
CH (1)	CH638003A5 (en)
DE (1)	DE2742262C2 (en)
ES (1)	ES472687A1 (en)
FI (1)	FI68273C (en)
FR (1)	FR2403418A1 (en)
GB (1)	GB2005743B (en)
IT (1)	IT1109111B (en)
NO (1)	NO153978C (en)
SE (1)	SE7809831L (en)
ZA (1)	ZA785356B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2520397A1 (en) *	1982-01-28	1983-07-29	Centre Tech Ind Papier	PROCESS FOR TREATING CHEMICAL PAPER PASTES
DE4031597A1 (en) *	1990-10-05	1992-04-09	Sueddeutsche Kalkstickstoff	METHOD FOR LOW-CHLORINE BLEACHING AND DELIGNIFICATION OF CELLULAR
US6398908B1 (en)	1991-04-30	2002-06-04	Eka Nobel Ab	Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
SE470065C (en) *	1991-04-30	1996-01-15	Eka Nobel Ab	Treatment of chemical pulp with an acid and then a magnesium and calcium compound in chlorine-free bleaching
DE102007036376A1 (en) *	2007-07-31	2009-02-05	Voith Patent Gmbh	Bleached pulp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2026068A (en) *	1929-09-11	1935-12-31	Du Pont	Process for the improvement of cellulose
DE753531C (en) *	1938-11-09	1953-05-18	Degussa	Process for bleaching pulp

1977
- 1977-09-20 DE DE2742262A patent/DE2742262C2/en not_active Expired
1978
- 1978-08-18 NO NO782820A patent/NO153978C/en unknown
- 1978-08-18 ES ES472687A patent/ES472687A1/en not_active Expired
- 1978-08-21 FR FR7824288A patent/FR2403418A1/en active Granted
- 1978-09-15 BR BR7806050A patent/BR7806050A/en unknown
- 1978-09-19 IT IT69162/78A patent/IT1109111B/en active
- 1978-09-19 CH CH978978A patent/CH638003A5/en not_active IP Right Cessation
- 1978-09-19 GB GB7837320A patent/GB2005743B/en not_active Expired
- 1978-09-19 SE SE7809831A patent/SE7809831L/en unknown
- 1978-09-19 BE BE6046608A patent/BE870607A/en not_active IP Right Cessation
- 1978-09-19 AT AT0675678A patent/AT367812B/en not_active IP Right Cessation
- 1978-09-20 ZA ZA00785356A patent/ZA785356B/en unknown
- 1978-09-20 CA CA311,653A patent/CA1133660A/en not_active Expired
- 1978-09-20 FI FI782869A patent/FI68273C/en not_active IP Right Cessation
- 1978-09-20 AR AR273785A patent/AR218936A1/en active
- 1978-09-20 JP JP11470478A patent/JPS5455606A/en active Pending

Also Published As

Publication number	Publication date
AT367812B (en)	1982-08-10
ATA675678A (en)	1981-12-15
FI782869A (en)	1979-03-21
FR2403418A1 (en)	1979-04-13
DE2742262A1 (en)	1979-03-29
ZA785356B (en)	1979-09-26
ES472687A1 (en)	1979-02-16
SE7809831L (en)	1979-03-21
BR7806050A (en)	1979-05-02
DE2742262C2 (en)	1982-06-09
GB2005743B (en)	1982-03-03
BE870607A (en)	1979-03-19
FI68273C (en)	1985-08-12
FI68273B (en)	1985-04-30
NO153978B (en)	1986-03-17
NO782820L (en)	1979-03-21
CA1133660A (en)	1982-10-19
CH638003A5 (en)	1983-08-31
IT7869162A0 (en)	1978-09-19
NO153978C (en)	1986-06-25
FR2403418B1 (en)	1982-07-02
GB2005743A (en)	1979-04-25
JPS5455606A (en)	1979-05-02
IT1109111B (en)	1985-12-16

Similar Documents

Publication	Publication Date	Title
IT7825209A0 (en)	1978-06-30	PROCEDURE FOR PREPARING A PRECURSOR OF A CELLULOSE SOLUTION.
IT7825208A0 (en)	1978-06-30	PROCEDURE FOR PREPARING A SOLID PRECURSOR OF AN IMPREGNATED CELLULOSE SOLUTION.
ES497084A0 (en)	1982-04-01	A PROCEDURE FOR PREPARING NEW TIAZOL COMPOUNDS.
PT67906B (en)	1994-01-14	PROCESS FOR THE PREPARATION OF CEFEMIC DERIVATIVES.
AR224359A1 (en)	1981-11-30	A PROCEDURE FOR PREPARING DERIVATIVES OF 1-HYDROXY-9-HYDROXIMINE-TETRAHYDRO-DIBENZO (B, D) -PYRANS
ES488593A0 (en)	1980-12-16	PROCEDURE FOR PREPARING CYCLOPROPAN DERIVATIVES
JPS52155202A (en)	1977-12-23	Process for making cellulose pulp
NO782362L (en)	1979-01-15	PAPER MANUFACTURING PROCEDURES.
ES487582A0 (en)	1980-12-16	A METHOD FOR HAVING NATURAL OR REGENERATED CELLULOSE FIBERS
AR221223A1 (en)	1981-01-15	A METHOD FOR SEPARATING THE FIBERS OF THE LIGNOCELLULOSE CELLULOSE CONSTITUENT
ES502866A0 (en)	1982-11-01	PROCEDURE FOR OBTAINING CONFORMABLE CELLULOSE BASED SOLUTIONS.
MX150158A (en)	1984-03-29	PROCEDURE FOR PREPARING 3,3-BIS (ARIL) PHTHALIDS
AR218936A1 (en)	1980-07-15	PROCEDURE FOR PREPARING CELLULOSE TO CONIFER SULPHITE, FROM MEDIUM TO HIGH VISCOSITY
JPS52152503A (en)	1977-12-19	Process for making cellulose pulp
NO771210L (en)	1977-10-13	PROCEDURES FOR PRODUCING CELLULOSE
MX4301E (en)	1982-03-19	IMPROVED GLUEING COMPOSITION FOR CELLULOSE FIBERS
MX149542A (en)	1983-11-23	IMPROVEMENTS TO A PROCEDURE FOR THE PRODUCTION OF A PAPER SHEET
ES482092A0 (en)	1980-08-01	A PROCEDURE FOR PREPARING DERIVATIVES FROM ERGOLIN.
IT7829550A0 (en)	1978-11-08	GLUE FOR PAPER.
IT1105046B (en)	1985-10-28	PROCEDURE FOR MANUFACTURING SEMILA VORATI PRINTED FROM CELLULOSE LIGNO MATERIALS
BR7808377A (en)	1979-08-07	PROCESS FOR THE PREPARATION OF 3,4-METHANE PIRROLIDIN DERIVATIVES
NO782649L (en)	1979-02-06	PROCEDURE FOR PREPARING PAPER ADHESIVE
MX146676A (en)	1982-07-27	IMPROVED PROCEDURE FOR OBTAINING A CONFORMABLE CELLULOSE SOLUTION
NO780635L (en)	1978-08-28	PROCEDURE FOR PREPARING A NEW PYRIDYL-PIPERAZINE DERIVATIVE
IT7922109A0 (en)	1979-04-24	IMPROVEMENTS TO THE PROCEDURE FOR THE PREPARATION OF BODIES OF REGENERATED CELLULOSE FROM SOLUTIONS OF CELLULOSE DERIVATIVES IN ORGANIC SOLVENTS.