PL100946B1 - Sposob odwadniania kwasu maleinowego do bezwodnika maleinowego - Google Patents
Sposob odwadniania kwasu maleinowego do bezwodnika maleinowego Download PDFInfo
- Publication number
- PL100946B1 PL100946B1 PL1975181948A PL18194875A PL100946B1 PL 100946 B1 PL100946 B1 PL 100946B1 PL 1975181948 A PL1975181948 A PL 1975181948A PL 18194875 A PL18194875 A PL 18194875A PL 100946 B1 PL100946 B1 PL 100946B1
- Authority
- PL
- Poland
- Prior art keywords
- maleic acid
- sulfolane
- maleic anhydride
- maleic
- acid
- 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
- C07C51/56—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)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3093874A GB1456101A (en) | 1974-07-12 | 1974-07-12 | Process for dehydrating aqueous solutions of maleic acid to maleic anhydride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL100946B1 true PL100946B1 (pl) | 1978-11-30 |
Family
ID=10315456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1975181948A PL100946B1 (pl) | 1974-07-12 | 1975-07-10 | Sposob odwadniania kwasu maleinowego do bezwodnika maleinowego |
Country Status (28)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01279132A (ja) * | 1988-04-28 | 1989-11-09 | Nippon Cable Syst Inc | コントロールケーブル系の防振装置 |
| JPH01279130A (ja) * | 1988-04-28 | 1989-11-09 | Nippon Cable Syst Inc | コントロールケーブル系の防振装置 |
| IT1253698B (it) * | 1990-05-31 | 1995-08-23 | Sisas Spa | Procedimento per il recupero di anidride maleica da miscele di reazione |
| JP5645540B2 (ja) * | 2010-08-19 | 2014-12-24 | 住友精化株式会社 | スルホラン系化合物の取扱方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3891680A (en) * | 1972-11-29 | 1975-06-24 | Chevron Res | Maleic anhydride recovery using nonaqueous medium |
-
1974
- 1974-07-12 GB GB3093874A patent/GB1456101A/en not_active Expired
-
1975
- 1975-01-01 AR AR259534A patent/AR205391A1/es active
- 1975-07-05 EG EG387/75A patent/EG11702A/xx active
- 1975-07-09 FI FI751998A patent/FI751998A7/fi not_active Application Discontinuation
- 1975-07-09 NL NL7508190A patent/NL7508190A/xx not_active Application Discontinuation
- 1975-07-09 SE SE7507865A patent/SE423995B/xx unknown
- 1975-07-10 CH CH901775A patent/CH596199A5/xx not_active IP Right Cessation
- 1975-07-10 ZA ZA754417A patent/ZA754417B/xx unknown
- 1975-07-10 BR BR7504373*A patent/BR7504373A/pt unknown
- 1975-07-10 TR TR18323A patent/TR18323A/xx unknown
- 1975-07-10 BE BE1006779A patent/BE831186A/xx not_active IP Right Cessation
- 1975-07-10 DE DE2530895A patent/DE2530895C2/de not_active Expired
- 1975-07-10 US US05/594,672 patent/US4009186A/en not_active Expired - Lifetime
- 1975-07-10 FR FR7522035A patent/FR2277833A1/fr active Granted
- 1975-07-10 AT AT533775A patent/AT339876B/de active
- 1975-07-10 CS CS754918A patent/CS191270B2/cs unknown
- 1975-07-10 IN IN1350/CAL/1975A patent/IN143557B/en unknown
- 1975-07-10 HU HU75UE67A patent/HU176340B/hu unknown
- 1975-07-10 ES ES439296A patent/ES439296A1/es not_active Expired
- 1975-07-10 PL PL1975181948A patent/PL100946B1/pl unknown
- 1975-07-10 CA CA231175A patent/CA1054619A/en not_active Expired
- 1975-07-11 RO RO7582835A patent/RO68185A/ro unknown
- 1975-07-11 BG BG030520A patent/BG32113A3/xx unknown
- 1975-07-11 SU SU752152822A patent/SU923364A3/ru active
- 1975-07-11 YU YU1770/75A patent/YU36716B/xx unknown
- 1975-07-11 JP JP50085210A patent/JPS5927348B2/ja not_active Expired
- 1975-07-11 IT IT50486/75A patent/IT1040892B/it active
- 1975-07-14 DD DD187287A patent/DD118603A5/xx unknown
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