BE745953R - Composition d'anhydride maleique stable a la - Google Patents
Composition d'anhydride maleique stable a laInfo
- Publication number
- BE745953R BE745953R BE745953DA BE745953R BE 745953 R BE745953 R BE 745953R BE 745953D A BE745953D A BE 745953DA BE 745953 R BE745953 R BE 745953R
- Authority
- BE
- Belgium
- Prior art keywords
- composition
- maleic anhydride
- stable
- anhydride stable
- maleic
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80832769A | 1969-03-18 | 1969-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE745953R true BE745953R (fr) | 1970-08-13 |
Family
ID=25198469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE745953D BE745953R (fr) | 1969-03-18 | 1970-02-13 | Composition d'anhydride maleique stable a la |
Country Status (2)
Country | Link |
---|---|
US (1) | US3586703A (fr) |
BE (1) | BE745953R (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3975408A (en) * | 1970-05-27 | 1976-08-17 | Monsanto Company | Color stabilization of refined dicarboxylic acid anhydrides |
US3903117A (en) * | 1970-05-27 | 1975-09-02 | Monsanto Co | Color stabilization of refined maleic acid anhydride |
US3939183A (en) * | 1973-10-05 | 1976-02-17 | Chevron Research Company | Purification of maleic anhydride |
US4062874A (en) * | 1976-12-20 | 1977-12-13 | Standard Oil Company (Indiana) | Phenolic stabilization of maleic anhydride |
-
1969
- 1969-03-18 US US808327A patent/US3586703A/en not_active Expired - Lifetime
-
1970
- 1970-02-13 BE BE745953D patent/BE745953R/fr active
Also Published As
Publication number | Publication date |
---|---|
US3586703A (en) | 1971-06-22 |
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