IT947653B - Perfezionamento nella purificazio ne di esteri ad alto punto d ebol lizione - Google Patents

Perfezionamento nella purificazio ne di esteri ad alto punto d ebol lizione

Info

Publication number: IT947653B
Authority: IT; Italy
Prior art keywords: eboling; purification; improvement; point esters; esters
Prior art date: 1971-04-26

Application number

IT20688/72A

Other languages

English (en)

Original Assignee

Melle Bezons

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.)

1971-04-26

Filing date

1972-02-17

Publication date

1973-05-30

1972-02-17 Application filed by Melle Bezons filed Critical Melle Bezons

1973-05-30 Application granted granted Critical

1973-05-30 Publication of IT947653B publication Critical patent/IT947653B/it

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

IT20688/72A 1971-04-26 1972-02-17 Perfezionamento nella purificazio ne di esteri ad alto punto d ebol lizione IT947653B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7115732A FR2135863A5 (it)	1971-04-26	1971-04-26

Publications (1)

Publication Number	Publication Date
IT947653B true IT947653B (it)	1973-05-30

Family

ID=9076275

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT20688/72A IT947653B (it)	1971-04-26	1972-02-17	Perfezionamento nella purificazio ne di esteri ad alto punto d ebol lizione

Country Status (22)

Country	Link
US (1)	US3849475A (it)
JP (1)	JPS5620301B1 (it)
AT (1)	AT317872B (it)
AU (1)	AU458281B2 (it)
BE (1)	BE782634A (it)
BR (1)	BR7201933D0 (it)
CA (1)	CA956644A (it)
CH (1)	CH552554A (it)
CS (1)	CS157143B2 (it)
DD (1)	DD108072A5 (it)
DK (1)	DK136711B (it)
ES (1)	ES402121A1 (it)
FR (1)	FR2135863A5 (it)
GB (1)	GB1329534A (it)
HU (1)	HU163592B (it)
IT (1)	IT947653B (it)
NL (1)	NL7202400A (it)
NO (1)	NO136887C (it)
PL (1)	PL82681B1 (it)
RO (1)	RO58907A (it)
SE (1)	SE379191B (it)
SU (1)	SU552022A3 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4066835A (en) *	1974-05-31	1978-01-03	Ruhrchemie Ag	Process for purifying the waste water produced in the process of producing ester plasticizers

1971
- 1971-04-26 FR FR7115732A patent/FR2135863A5/fr not_active Expired
1972
- 1972-01-27 AU AU38388/72A patent/AU458281B2/en not_active Expired
- 1972-01-31 RO RO69611A patent/RO58907A/ro unknown
- 1972-02-15 NO NO440/72A patent/NO136887C/no unknown
- 1972-02-17 IT IT20688/72A patent/IT947653B/it active
- 1972-02-23 NL NL7202400A patent/NL7202400A/xx unknown
- 1972-03-02 JP JP2193272A patent/JPS5620301B1/ja active Pending
- 1972-04-04 BR BR721933A patent/BR7201933D0/pt unknown
- 1972-04-04 CS CS223872A patent/CS157143B2/cs unknown
- 1972-04-11 AT AT311372A patent/AT317872B/de not_active IP Right Cessation
- 1972-04-11 CA CA139,428A patent/CA956644A/en not_active Expired
- 1972-04-20 SU SU1773557A patent/SU552022A3/ru active
- 1972-04-21 HU HUME1490A patent/HU163592B/hu unknown
- 1972-04-24 PL PL1972154943A patent/PL82681B1/pl unknown
- 1972-04-25 DD DD162562A patent/DD108072A5/xx unknown
- 1972-04-25 BE BE782634A patent/BE782634A/xx not_active IP Right Cessation
- 1972-04-25 GB GB1921572A patent/GB1329534A/en not_active Expired
- 1972-04-25 DK DK203672AA patent/DK136711B/da unknown
- 1972-04-26 US US00247592A patent/US3849475A/en not_active Expired - Lifetime
- 1972-04-26 CH CH620172A patent/CH552554A/fr not_active IP Right Cessation
- 1972-04-26 ES ES72402121A patent/ES402121A1/es not_active Expired
- 1972-04-26 SE SE7205518A patent/SE379191B/xx unknown

Also Published As

Publication number	Publication date
NL7202400A (it)	1972-10-30
DE2215902B2 (de)	1976-04-15
SU552022A3 (ru)	1977-03-25
CS157143B2 (it)	1974-08-23
GB1329534A (en)	1973-09-12
AU458281B2 (en)	1975-01-31
BE782634A (fr)	1972-10-25
DE2215902A1 (it)	1972-11-09
AU3838872A (en)	1973-08-02
PL82681B1 (it)	1975-10-31
CA956644A (en)	1974-10-22
AT317872B (de)	1974-09-25
HU163592B (it)	1973-09-27
ES402121A1 (es)	1975-10-16
DD108072A5 (it)	1974-09-05
US3849475A (en)	1974-11-19
NO136887C (no)	1977-11-23
JPS5620301B1 (it)	1981-05-13
DK136711C (it)	1978-05-01
CH552554A (fr)	1974-08-15
SE379191B (it)	1975-09-29
RO58907A (it)	1976-01-15
FR2135863A5 (it)	1972-12-22
DK136711B (da)	1977-11-14
NO136887B (no)	1977-08-15
BR7201933D0 (pt)	1973-06-14

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