BR8900450A - Processo para a preparacao e recuperacao de anidridos oxi-di-ftalicos - Google Patents
Processo para a preparacao e recuperacao de anidridos oxi-di-ftalicosInfo
- Publication number
- BR8900450A BR8900450A BR898900450A BR8900450A BR8900450A BR 8900450 A BR8900450 A BR 8900450A BR 898900450 A BR898900450 A BR 898900450A BR 8900450 A BR8900450 A BR 8900450A BR 8900450 A BR8900450 A BR 8900450A
- Authority
- BR
- Brazil
- Prior art keywords
- anhydride
- oxydiphthalic
- potassium carbonate
- solution
- ftalicos
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 abstract 6
- 150000008064 anhydrides Chemical class 0.000 abstract 4
- BCJIMAHNJOIWKQ-UHFFFAOYSA-N 4-[(1,3-dioxo-2-benzofuran-4-yl)oxy]-2-benzofuran-1,3-dione Chemical compound O=C1OC(=O)C2=C1C=CC=C2OC1=CC=CC2=C1C(=O)OC2=O BCJIMAHNJOIWKQ-UHFFFAOYSA-N 0.000 abstract 3
- 229910000027 potassium carbonate Inorganic materials 0.000 abstract 3
- 238000009835 boiling Methods 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000012429 reaction media Substances 0.000 abstract 1
- 238000006561 solvent free reaction Methods 0.000 abstract 1
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)
- Furan Compounds (AREA)
- Indole Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Saccharide Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/160,036 US4870194A (en) | 1987-09-28 | 1988-02-24 | Process for the preparation and recovery of oxdiphthalic anhydrides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8900450A true BR8900450A (pt) | 1989-09-26 |
Family
ID=22575233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR898900450A BR8900450A (pt) | 1988-02-24 | 1989-02-01 | Processo para a preparacao e recuperacao de anidridos oxi-di-ftalicos |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4870194A (pt) |
| EP (1) | EP0330220B1 (pt) |
| JP (1) | JP2697886B2 (pt) |
| AT (1) | ATE106380T1 (pt) |
| BR (1) | BR8900450A (pt) |
| CA (1) | CA1340428C (pt) |
| DE (1) | DE68915570T2 (pt) |
| ES (1) | ES2056979T3 (pt) |
| IL (1) | IL88822A (pt) |
| NO (1) | NO173333C (pt) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5003031A (en) * | 1989-05-15 | 1991-03-26 | Occidental Chemical Corporation | Polyimides and co-polyimides based on dioxydiphthalic anhydride |
| US5077415A (en) * | 1990-01-19 | 1991-12-31 | Ciba-Geigy Corporation | Disubstituted aromatic dianhydrides |
| US6727370B1 (en) | 2003-02-24 | 2004-04-27 | General Electric Company | Method for preparing oxydiphthalic anhydrides using bicarbonate as catalyst |
| US6706897B1 (en) * | 2003-02-24 | 2004-03-16 | General Electric Company | Method for preparing oxydiphthalic anhydrides using guanidinium salt as catalyst |
| WO2004111026A1 (ja) | 2003-06-17 | 2004-12-23 | Nippon Shokubai Co., Ltd. | ビス含フッ素フタル酸無水物、およびその製造方法 |
| CN1805949B (zh) * | 2003-06-17 | 2011-05-11 | 株式会社日本触媒 | 双含氟邻苯二甲酸酐及其制造方法 |
| JP4541774B2 (ja) * | 2003-06-17 | 2010-09-08 | 株式会社日本触媒 | ビス含フッ素フタル酸無水物の製造方法 |
| US7495113B2 (en) * | 2004-12-22 | 2009-02-24 | Sabic Innovative Plastics | Method of purifying dianhydrides |
| US20060293528A1 (en) * | 2005-06-24 | 2006-12-28 | General Electric Company | Method of purifying dianhydrides |
| US7408070B2 (en) * | 2005-09-23 | 2008-08-05 | Sabic Innovative Plastics Ip B.V. | Method for purifying bisimides |
| US7411032B2 (en) * | 2005-09-23 | 2008-08-12 | Sabic Innovative Plastics Ip B.V. | Method for making polyetherimides |
| US7446214B2 (en) | 2005-09-23 | 2008-11-04 | Sabic Innovative Plastics Ip B.V. | Method for purifying oxybisphthalic anhydrides |
| US7863463B2 (en) * | 2005-11-22 | 2011-01-04 | Sabic Innovative Plastics Ip B.V. | Method of purifying dianhydrides |
| US8545975B2 (en) * | 2006-06-26 | 2013-10-01 | Sabic Innovative Plastics Ip B.V. | Articles comprising a polyimide solvent cast film having a low coefficient of thermal expansion and method of manufacture thereof |
| US9161440B2 (en) * | 2006-06-26 | 2015-10-13 | Sabic Global Technologies B.V. | Articles comprising a polyimide solvent cast film having a low coefficient of thermal expansion and method of manufacture thereof |
| US7928154B2 (en) | 2006-06-26 | 2011-04-19 | Sabic Innovative Plastics Ip B.V. | Methods of preparing polymer-organoclay composites and articles derived therefrom |
| US8568867B2 (en) * | 2006-06-26 | 2013-10-29 | Sabic Innovative Plastics Ip B.V. | Polyimide solvent cast films having a low coefficient of thermal expansion and method of manufacture thereof |
| WO2008082413A1 (en) * | 2007-01-04 | 2008-07-10 | Sabic Innovative Plastics Ip B.V. | Method of purifying dianhydrides |
| WO2008082417A1 (en) * | 2007-01-04 | 2008-07-10 | Sabic Innovative Plastics Ip B.V. | Method of purifying dianhydrides |
| US7674920B2 (en) * | 2008-03-28 | 2010-03-09 | Sabic Innovative Plastics Ip B.V. | Methods for preparing oxydiphthalic anhydrides, oxydiphthalic anhydrides prepared thereby, and polyetherimides derived therefrom |
| EP2271611B1 (en) * | 2008-03-28 | 2013-09-04 | SABIC Innovative Plastics IP B.V. | Method for preparing 4,4'-oxydiphthalic anhydride |
| CN115490658B (zh) * | 2022-10-11 | 2023-11-14 | 天津众泰材料科技有限公司 | 一种4,4′-氧双邻苯二甲酸酐的制备方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4499285A (en) * | 1982-11-01 | 1985-02-12 | General Electric Company | Solvent free preparation of diarylthioethers |
| US4625037A (en) * | 1984-02-02 | 1986-11-25 | General Electric Company | Method for making thioether(bisphthalimide)s |
| US4697023A (en) * | 1986-10-03 | 1987-09-29 | Occidental Chemical Corporation | Process for the preparation of oxy-diphthalic anhydrides |
-
1988
- 1988-02-24 US US07/160,036 patent/US4870194A/en not_active Expired - Lifetime
- 1988-12-28 IL IL8882288A patent/IL88822A/en not_active IP Right Cessation
-
1989
- 1989-02-01 BR BR898900450A patent/BR8900450A/pt unknown
- 1989-02-06 CA CA000590231A patent/CA1340428C/en not_active Expired - Fee Related
- 1989-02-22 JP JP1042877A patent/JP2697886B2/ja not_active Expired - Lifetime
- 1989-02-22 NO NO890750A patent/NO173333C/no unknown
- 1989-02-24 AT AT89103251T patent/ATE106380T1/de active
- 1989-02-24 DE DE68915570T patent/DE68915570T2/de not_active Expired - Fee Related
- 1989-02-24 EP EP89103251A patent/EP0330220B1/en not_active Expired - Lifetime
- 1989-02-24 ES ES89103251T patent/ES2056979T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0330220B1 (en) | 1994-06-01 |
| JPH01254673A (ja) | 1989-10-11 |
| DE68915570T2 (de) | 1994-09-15 |
| NO173333C (no) | 1993-12-01 |
| ES2056979T3 (es) | 1994-10-16 |
| IL88822A (en) | 1994-04-12 |
| EP0330220A2 (en) | 1989-08-30 |
| ATE106380T1 (de) | 1994-06-15 |
| EP0330220A3 (en) | 1991-05-29 |
| US4870194A (en) | 1989-09-26 |
| IL88822A0 (en) | 1989-07-31 |
| CA1340428C (en) | 1999-03-09 |
| NO890750D0 (no) | 1989-02-22 |
| DE68915570D1 (de) | 1994-07-07 |
| JP2697886B2 (ja) | 1998-01-14 |
| NO890750L (no) | 1989-08-25 |
| NO173333B (no) | 1993-08-23 |
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