FR2093755A5 - - Google Patents
Info
- Publication number
- FR2093755A5 FR2093755A5 FR7119070A FR7119070A FR2093755A5 FR 2093755 A5 FR2093755 A5 FR 2093755A5 FR 7119070 A FR7119070 A FR 7119070A FR 7119070 A FR7119070 A FR 7119070A FR 2093755 A5 FR2093755 A5 FR 2093755A5
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4111670A | 1970-05-27 | 1970-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2093755A5 true FR2093755A5 (fr) | 1972-01-28 |
Family
ID=21914837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7119070A Expired FR2093755A5 (fr) | 1970-05-27 | 1971-05-26 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5314534B1 (fr) |
| BE (1) | BE767695A (fr) |
| CA (1) | CA926870A (fr) |
| DE (1) | DE2126246C2 (fr) |
| FR (1) | FR2093755A5 (fr) |
| GB (1) | GB1331853A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE240287T1 (de) | 1999-01-13 | 2003-05-15 | Huntsman Spec Chem Corp | Stabilisierung von anhydriden |
| US6730810B2 (en) | 1999-01-13 | 2004-05-04 | Huntsman Petrochemical Corporation | Anhydride stabilization |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2296218A (en) * | 1939-10-18 | 1942-09-15 | Hercules Powder Co Ltd | Purification of maleic anhydride |
| US3115477A (en) * | 1962-03-29 | 1963-12-24 | Petro Tex Chem Corp | Stabilized cyclic anhydride compositions |
| US3115503A (en) * | 1962-09-12 | 1963-12-24 | Petro Tex Chem Corp | Stabilized cyclic anhydrides |
| NL6918957A (fr) * | 1968-12-30 | 1970-07-02 | ||
| US3622600A (en) * | 1969-02-24 | 1971-11-23 | Halcon International Inc | Method for preparing color stable maleic anhydride |
| US3903117A (en) * | 1970-05-27 | 1975-09-02 | Monsanto Co | Color stabilization of refined maleic acid anhydride |
-
1971
- 1971-05-26 FR FR7119070A patent/FR2093755A5/fr not_active Expired
- 1971-05-26 JP JP3668571A patent/JPS5314534B1/ja active Pending
- 1971-05-26 BE BE767695A patent/BE767695A/fr not_active IP Right Cessation
- 1971-05-26 GB GB1725571A patent/GB1331853A/en not_active Expired
- 1971-05-26 CA CA113988A patent/CA926870A/en not_active Expired
- 1971-05-26 DE DE19712126246 patent/DE2126246C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2126246A1 (fr) | 1971-12-09 |
| CA926870A (en) | 1973-05-22 |
| BE767695A (fr) | 1971-11-26 |
| DE2126246C2 (de) | 1986-04-24 |
| JPS5314534B1 (fr) | 1978-05-18 |
| GB1331853A (en) | 1973-09-26 |