BR9300234A - Processo para a purificacao de polissulfetos - Google Patents
Processo para a purificacao de polissulfetosInfo
- Publication number
- BR9300234A BR9300234A BR9300234A BR9300234A BR9300234A BR 9300234 A BR9300234 A BR 9300234A BR 9300234 A BR9300234 A BR 9300234A BR 9300234 A BR9300234 A BR 9300234A BR 9300234 A BR9300234 A BR 9300234A
- Authority
- BR
- Brazil
- Prior art keywords
- polysulphets
- purification
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/26—Separation; Purification; Stabilisation; Use of additives
- C07C319/28—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/826,356 US5206439A (en) | 1992-01-27 | 1992-01-27 | Preparation of high purity polysulfides |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9300234A true BR9300234A (pt) | 1993-08-24 |
Family
ID=25246335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9300234A BR9300234A (pt) | 1992-01-27 | 1993-01-21 | Processo para a purificacao de polissulfetos |
Country Status (4)
Country | Link |
---|---|
US (1) | US5206439A (pt) |
EP (1) | EP0553797B1 (pt) |
JP (1) | JP2889068B2 (pt) |
BR (1) | BR9300234A (pt) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5403961A (en) * | 1993-11-22 | 1995-04-04 | Phillips Petroleum Company | Production of polysulfides |
US5457234A (en) * | 1994-06-20 | 1995-10-10 | Phillips Petroleum Company | Process for treating organic polysulfide compounds |
US5464931A (en) * | 1994-08-15 | 1995-11-07 | Phillips Petroleum Company | Oxidation of dimercaptans to organic disulfide polymers |
US5530163A (en) * | 1995-01-23 | 1996-06-25 | Phillips Petroleum Company | Process for producing organic polysulfide compounds |
JPH11506799A (ja) * | 1995-06-07 | 1999-06-15 | モルテック コーポレイション | 電気活性な高蓄容量ポリアセチレン−コ−ポリイオウ物質およびそれを含む電解セル |
US6309778B1 (en) | 1996-02-16 | 2001-10-30 | Moltech Corporation | Electroactive high storage capacity polyacetylene-co-polysulfur materials and electrolytic cells containing same |
US6242618B1 (en) | 2000-03-21 | 2001-06-05 | The Lubrizol Corporation | H2S scavengers for polysulfide products and methods for scavenging H2S from polysulfide products |
FR2808272B1 (fr) | 2000-04-28 | 2002-06-14 | Atofina | Procede de fabrication d'olefines sulfurees |
FR2808273B1 (fr) | 2000-04-28 | 2002-06-14 | Atofina | Procede de fabrication d'olefines sulfurees |
US8552143B2 (en) | 2010-03-04 | 2013-10-08 | The University Of Akron | Method for the preparation of poly (disulfide) polymers and gels |
WO2012070335A1 (ja) * | 2010-11-26 | 2012-05-31 | 株式会社クレハ | ポリアリーレンスルフィドの製造方法、及びポリアリーレンスルフィド |
EP2697287B1 (en) | 2011-04-12 | 2015-06-03 | Shanghai ICI Research & Development & Management Co. Ltd. | Process for the preparation of a polysulfide |
CN103242529A (zh) * | 2013-05-31 | 2013-08-14 | 常熟市金泉化纤织造有限责任公司 | 一种高分子量聚苯硫醚的纯化精制方法 |
CN103965475B (zh) * | 2014-04-29 | 2016-03-30 | 四川中科兴业高新材料有限公司 | 一种高韧性聚苯硫醚及其制备方法 |
CN103951825B (zh) * | 2014-04-29 | 2016-03-30 | 四川中科兴业高新材料有限公司 | 一种高强度聚苯硫醚及其制备方法 |
US20200270655A1 (en) * | 2018-10-18 | 2020-08-27 | Takaaki Akaike | CYSTEINE POLYSULFIDATION AND MITOCHONDRIAL BIOENERGETICS REGULATED BY CYSTEINYL-tRNA SYNTHETASE |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2024567A (en) * | 1933-11-23 | 1935-12-17 | Wingfoot Corp | Preparation of organic disulphides |
US3022351A (en) * | 1957-03-07 | 1962-02-20 | Phillips Petroleum Co | Production of organic polysulfides |
BE648125A (pt) * | 1963-05-20 | |||
DE2938156A1 (de) * | 1979-09-21 | 1981-04-09 | Rhein-Chemie Rheinau Gmbh, 6800 Mannheim | Verfahren zur herstellung von polysulfiden |
CA1244480A (en) * | 1981-10-05 | 1988-11-08 | Daniel A. Dimmig | Deodorization of dialkyl polysulfides |
JPS58140063A (ja) * | 1982-02-13 | 1983-08-19 | Nippon Soda Co Ltd | ジアルキルポリスルフイド類の脱臭方法 |
-
1992
- 1992-01-27 US US07/826,356 patent/US5206439A/en not_active Expired - Fee Related
-
1993
- 1993-01-21 BR BR9300234A patent/BR9300234A/pt not_active IP Right Cessation
- 1993-01-22 JP JP5009390A patent/JP2889068B2/ja not_active Expired - Fee Related
- 1993-01-27 EP EP93101222A patent/EP0553797B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2889068B2 (ja) | 1999-05-10 |
US5206439A (en) | 1993-04-27 |
JPH05255235A (ja) | 1993-10-05 |
EP0553797A1 (en) | 1993-08-04 |
EP0553797B1 (en) | 1995-10-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EE | Request for examination | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 12A,13A,14A,15A,16A E 17A ANUIDADES. |
|
B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2278 DE 02/09/2014 POR TER SIDO INDEVIDA. |
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B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 12A, 13A, 14A, 15A, 16A, 17A E 18A ANUIDADES. |
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |