FR2472568A1 - Procede de preparation d'anhydrides 3,4,5,6-tetrahydrophtaliques ou de leurs derives - Google Patents
Procede de preparation d'anhydrides 3,4,5,6-tetrahydrophtaliques ou de leurs derives Download PDFInfo
- Publication number
- FR2472568A1 FR2472568A1 FR7929364A FR7929364A FR2472568A1 FR 2472568 A1 FR2472568 A1 FR 2472568A1 FR 7929364 A FR7929364 A FR 7929364A FR 7929364 A FR7929364 A FR 7929364A FR 2472568 A1 FR2472568 A1 FR 2472568A1
- Authority
- FR
- France
- Prior art keywords
- sulfur
- thpa
- alkyl
- catalyst
- process according
- Prior art date
- 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.)
- Granted
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
- C07C51/567—Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7929364A FR2472568A1 (fr) | 1979-11-29 | 1979-11-29 | Procede de preparation d'anhydrides 3,4,5,6-tetrahydrophtaliques ou de leurs derives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7929364A FR2472568A1 (fr) | 1979-11-29 | 1979-11-29 | Procede de preparation d'anhydrides 3,4,5,6-tetrahydrophtaliques ou de leurs derives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2472568A1 true FR2472568A1 (fr) | 1981-07-03 |
| FR2472568B1 FR2472568B1 (OSRAM) | 1982-07-16 |
Family
ID=9232210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7929364A Granted FR2472568A1 (fr) | 1979-11-29 | 1979-11-29 | Procede de preparation d'anhydrides 3,4,5,6-tetrahydrophtaliques ou de leurs derives |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2472568A1 (OSRAM) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2764597A (en) * | 1954-12-02 | 1956-09-25 | Du Pont | Isomerization of delta-cyclohexene 1, 2-dicarboxylic acid anhydride and esters |
| FR1561836A (OSRAM) * | 1967-05-09 | 1969-03-28 | ||
| GB1260458A (en) * | 1970-01-06 | 1972-01-19 | Vanderbilt Co R T | Epoxy resin curing agent |
-
1979
- 1979-11-29 FR FR7929364A patent/FR2472568A1/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2764597A (en) * | 1954-12-02 | 1956-09-25 | Du Pont | Isomerization of delta-cyclohexene 1, 2-dicarboxylic acid anhydride and esters |
| FR1561836A (OSRAM) * | 1967-05-09 | 1969-03-28 | ||
| GB1260458A (en) * | 1970-01-06 | 1972-01-19 | Vanderbilt Co R T | Epoxy resin curing agent |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2472568B1 (OSRAM) | 1982-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |