FR1600064A - - Google Patents
Info
- Publication number
- FR1600064A FR1600064A FR1600064DA FR1600064A FR 1600064 A FR1600064 A FR 1600064A FR 1600064D A FR1600064D A FR 1600064DA FR 1600064 A FR1600064 A FR 1600064A
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR181938 | 1968-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1600064A true FR1600064A (en) | 1970-07-20 |
Family
ID=8659420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1600064D Expired FR1600064A (en) | 1968-12-30 | 1968-12-30 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1600064A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2496101A1 (en) * | 1980-12-17 | 1982-06-18 | Davy Mckee Ag | PROCESS FOR THE CONTINUOUS SEPARATION OF LOW VOLATILE CONSTITUENTS OF A CRUDE PHTHALIC ANHYDRIDE MANUFACTURED BY OXIDATION OF NAPHTHALENE |
FR2508906A1 (en) * | 1981-07-06 | 1983-01-07 | Nippon Catalytic Chem Ind | PROCESS FOR THE PREPARATION OF HIGH-PURITY PHTHALIC ANHYDRIDE FROM RAW PHTHALIC ANHYDRIDE |
-
1968
- 1968-12-30 FR FR1600064D patent/FR1600064A/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2496101A1 (en) * | 1980-12-17 | 1982-06-18 | Davy Mckee Ag | PROCESS FOR THE CONTINUOUS SEPARATION OF LOW VOLATILE CONSTITUENTS OF A CRUDE PHTHALIC ANHYDRIDE MANUFACTURED BY OXIDATION OF NAPHTHALENE |
FR2508906A1 (en) * | 1981-07-06 | 1983-01-07 | Nippon Catalytic Chem Ind | PROCESS FOR THE PREPARATION OF HIGH-PURITY PHTHALIC ANHYDRIDE FROM RAW PHTHALIC ANHYDRIDE |
DE3225079A1 (en) * | 1981-07-06 | 1983-01-20 | Nippon Shokubai Kagaku Kogyo Co. Ltd., Osaka | METHOD FOR THE PRODUCTION OF HIGH Purity Phtalic Acid Anhydride |
US4436922A (en) | 1981-07-06 | 1984-03-13 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Method for manufacture of high-purity phthalic anhydride |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |