CS154654B2 - - Google Patents
Info
- Publication number
- CS154654B2 CS154654B2 CS57870*#A CS57870A CS154654B2 CS 154654 B2 CS154654 B2 CS 154654B2 CS 57870 A CS57870 A CS 57870A CS 154654 B2 CS154654 B2 CS 154654B2
- Authority
- CS
- Czechoslovakia
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
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
- C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
-
- 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
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5221/69A GB1242320A (en) | 1968-01-30 | 1968-01-30 | Process for the dehydration of maleic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS154654B2 true CS154654B2 (cs) | 1974-04-30 |
Family
ID=9791992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS57870*#A CS154654B2 (cs) | 1968-01-30 | 1970-01-27 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3642829A (cs) |
| BE (1) | BE745029A (cs) |
| BG (1) | BG26671A3 (cs) |
| BR (1) | BR7016316D0 (cs) |
| CA (1) | CA925093A (cs) |
| CS (1) | CS154654B2 (cs) |
| DE (1) | DE2003684C3 (cs) |
| ES (1) | ES375942A1 (cs) |
| FR (1) | FR2029695A1 (cs) |
| GB (1) | GB1242320A (cs) |
| NL (1) | NL160562C (cs) |
| RO (1) | RO61762A (cs) |
| SE (1) | SE379752B (cs) |
| SU (1) | SU479281A3 (cs) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2061336C3 (de) * | 1970-12-12 | 1975-05-22 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Gewinnung von reinem Maleinsäureanhydrid |
| FR2189363B1 (cs) * | 1972-06-21 | 1974-10-25 | Rhone Progil | |
| GB1424747A (en) * | 1973-08-28 | 1976-02-11 | Ucb Sa | Method and apparatus for the continuous dehydration of maleic acid |
| DE2356049C3 (de) * | 1973-11-09 | 1987-10-22 | Basf Ag, 6700 Ludwigshafen | Gewinnung von maleinsaeureanhydrid aus den abgasen der phthalsaeureanhydridherstellung |
| US4364748A (en) * | 1977-06-24 | 1982-12-21 | Chevron Research Company | Process for recovering maleic anhydride by condensation |
| JPS6127978A (ja) * | 1984-07-16 | 1986-02-07 | Mitsubishi Gas Chem Co Inc | 無水マレイン酸の製造法 |
| GB0325530D0 (en) | 2003-10-31 | 2003-12-03 | Davy Process Techn Ltd | Process |
| WO2010034876A1 (en) * | 2008-09-23 | 2010-04-01 | Upm-Kymmene Wood Oy | Glue line material for wood board and wood board |
| FR3125044B1 (fr) | 2021-07-09 | 2024-06-14 | Snf Sa | Procédé d’obtention d’anhydride maléique biosourcé |
-
1968
- 1968-01-30 GB GB5221/69A patent/GB1242320A/en not_active Expired
-
1970
- 1970-01-23 NL NL7000972.A patent/NL160562C/xx not_active IP Right Cessation
- 1970-01-27 RO RO62274A patent/RO61762A/ro unknown
- 1970-01-27 BR BR216316/70A patent/BR7016316D0/pt unknown
- 1970-01-27 SE SE7001013A patent/SE379752B/xx unknown
- 1970-01-27 US US6224A patent/US3642829A/en not_active Expired - Lifetime
- 1970-01-27 CS CS57870*#A patent/CS154654B2/cs unknown
- 1970-01-27 ES ES375942A patent/ES375942A1/es not_active Expired
- 1970-01-28 SU SU1400101A patent/SU479281A3/ru active
- 1970-01-28 BG BG7013833A patent/BG26671A3/xx unknown
- 1970-01-28 BE BE745029D patent/BE745029A/xx not_active IP Right Cessation
- 1970-01-28 DE DE2003684A patent/DE2003684C3/de not_active Expired
- 1970-01-28 FR FR7003080A patent/FR2029695A1/fr active Pending
- 1970-01-28 CA CA073378A patent/CA925093A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE379752B (cs) | 1975-10-20 |
| SU479281A3 (ru) | 1975-07-30 |
| GB1242320A (en) | 1971-08-11 |
| US3642829A (en) | 1972-02-15 |
| BR7016316D0 (pt) | 1973-01-02 |
| ES375942A1 (es) | 1972-04-16 |
| CA925093A (en) | 1973-04-24 |
| DE2003684C3 (de) | 1979-11-29 |
| DE2003684B2 (de) | 1979-04-05 |
| NL160562B (nl) | 1979-06-15 |
| BG26671A3 (cs) | 1979-05-15 |
| DE2003684A1 (de) | 1970-08-06 |
| RO61762A (cs) | 1977-05-15 |
| NL7000972A (cs) | 1970-08-03 |
| BE745029A (fr) | 1970-07-28 |
| FR2029695A1 (cs) | 1970-10-23 |
| NL160562C (nl) | 1979-11-15 |