FR2053029B1 - - Google Patents
Info
- Publication number
- FR2053029B1 FR2053029B1 FR707022968A FR7022968A FR2053029B1 FR 2053029 B1 FR2053029 B1 FR 2053029B1 FR 707022968 A FR707022968 A FR 707022968A FR 7022968 A FR7022968 A FR 7022968A FR 2053029 B1 FR2053029 B1 FR 2053029B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1932420A DE1932420C3 (de) | 1969-06-26 | 1969-06-26 | Verfahren zur Reinigung von 2,2-Dimethyl-1,3-propandlol-mono-hydroxyplvalinsäureester |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2053029A1 FR2053029A1 (fr) | 1971-04-16 |
FR2053029B1 true FR2053029B1 (fr) | 1973-02-02 |
Family
ID=5738073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR707022968A Expired FR2053029B1 (fr) | 1969-06-26 | 1970-06-22 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3696005A (fr) |
BE (1) | BE752498A (fr) |
DE (1) | DE1932420C3 (fr) |
FR (1) | FR2053029B1 (fr) |
GB (1) | GB1304956A (fr) |
NL (1) | NL7009293A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3432577A1 (de) * | 1984-09-05 | 1986-03-13 | Basf Ag, 6700 Ludwigshafen | Verfahren zur gewinnung von hydroxypivalinsaeureneopentylglykolester |
US5041621A (en) * | 1989-09-27 | 1991-08-20 | Eastman Kodak Company | Process for the preparation of dihydroxy esters |
US5209827A (en) * | 1990-10-29 | 1993-05-11 | Eastman Kodak Company | Process for the purification of hydroxypivalyl hydroxypivalate |
DE19733903A1 (de) * | 1997-08-05 | 1999-02-11 | Basf Ag | Verfahren zur Gewinnung von Hydroxxpivalinsäureneopentylglykolester (HPN) |
-
1969
- 1969-06-26 DE DE1932420A patent/DE1932420C3/de not_active Expired
-
1970
- 1970-06-17 US US47150A patent/US3696005A/en not_active Expired - Lifetime
- 1970-06-22 FR FR707022968A patent/FR2053029B1/fr not_active Expired
- 1970-06-24 NL NL7009293A patent/NL7009293A/xx unknown
- 1970-06-25 BE BE752498D patent/BE752498A/fr unknown
- 1970-06-25 GB GB3082670A patent/GB1304956A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1304956A (fr) | 1973-01-31 |
DE1932420A1 (de) | 1971-01-14 |
FR2053029A1 (fr) | 1971-04-16 |
DE1932420B2 (fr) | 1974-11-14 |
BE752498A (fr) | 1970-12-28 |
DE1932420C3 (de) | 1975-07-03 |
NL7009293A (fr) | 1970-12-29 |
US3696005A (en) | 1972-10-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |