BRPI0312075B8 - método para enxerto de um monômero insaturado em um polissacarídeo. - Google Patents
método para enxerto de um monômero insaturado em um polissacarídeo.Info
- Publication number
- BRPI0312075B8 BRPI0312075B8 BRPI0312075A BR0312075A BRPI0312075B8 BR PI0312075 B8 BRPI0312075 B8 BR PI0312075B8 BR PI0312075 A BRPI0312075 A BR PI0312075A BR 0312075 A BR0312075 A BR 0312075A BR PI0312075 B8 BRPI0312075 B8 BR PI0312075B8
- Authority
- BR
- Brazil
- Prior art keywords
- guar gum
- unsaturated monomer
- grafting
- monomer
- polysaccharide
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/91—Graft copolymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
- C08F251/02—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof on to cellulose or derivatives thereof
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Birds (AREA)
- Dermatology (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Graft Or Block Polymers (AREA)
- Cosmetics (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Jellies, Jams, And Syrups (AREA)
- Detergent Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
"método para enxerto de um monômero insaturado em um polissacarídeo e para a despolimerização do polissacarídeo, polissacarídeo, e, composição cosmética". um método de enxerto de polímeros de polissacarídeo do tipo de galactomanana, preferivelmente guar, em um grupo funcional por irradiação com feixes de elétrons de energia alta na presença de um monômero insaturado compreendendo o grupo funcional desejado. o método pode incluir a despolimerização do polímero enxertado para um peso molecular baixo pré-selecionado. as galactomananas preferidas para o tratamento de acordo com este método são goma guar, guar nativa (guar splits) e hidróxi-propil-guar. em uma modalidade preferida a goma guar também é despolimerizada, preferivelmente para um peso molecular menor do que cerca de 700.000 daltons, e mais preferivelmente para um peso molecular entre cerca de 100.000 daltons e cerca de 250.000 daltons. o guar despolimerizado mais preferivelmente possui uma polidispersão menor do que cerca de 3,0 e é útil no fraturamento de poço de óleo para aumentar a produção de óleo.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39168902P | 2002-06-25 | 2002-06-25 | |
US40554702P | 2002-08-23 | 2002-08-23 | |
PCT/US2003/020263 WO2004001386A2 (en) | 2002-06-25 | 2003-06-25 | Grafting polymerization of guar and other polysaccharides by electron beams |
Publications (3)
Publication Number | Publication Date |
---|---|
BR0312075A BR0312075A (pt) | 2005-06-28 |
BRPI0312075B1 BRPI0312075B1 (pt) | 2015-09-08 |
BRPI0312075B8 true BRPI0312075B8 (pt) | 2016-09-13 |
Family
ID=30003200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0312075A BRPI0312075B8 (pt) | 2002-06-25 | 2003-06-25 | método para enxerto de um monômero insaturado em um polissacarídeo. |
Country Status (9)
Country | Link |
---|---|
US (2) | US7838667B2 (pt) |
EP (2) | EP2341055B1 (pt) |
JP (2) | JP4718834B2 (pt) |
CN (2) | CN101974131B (pt) |
AT (1) | ATE529447T1 (pt) |
AU (1) | AU2003248735A1 (pt) |
BR (1) | BRPI0312075B8 (pt) |
RU (1) | RU2325405C2 (pt) |
WO (1) | WO2004001386A2 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1309742C (zh) * | 2002-06-25 | 2007-04-11 | 罗狄亚公司 | 用电子束减低多糖的分子量的方法 |
KR101257833B1 (ko) * | 2004-08-03 | 2013-04-30 | 로디아 인코포레이티드 | 다당류 그래프트 코폴리머 및 그것의 퍼스널 케어용 용도 |
JP5246463B2 (ja) * | 2007-09-13 | 2013-07-24 | 独立行政法人産業技術総合研究所 | セルロース及びセルロース誘導体の改質方法とその装置 |
RU2480547C2 (ru) * | 2008-01-30 | 2013-04-27 | Курасики Босеки Кабусики Кайся | Способ обработки огнезащитным составом и огнезащищенный материал из целлюлозного волокна |
CN101514233B (zh) * | 2008-12-30 | 2011-06-15 | 上海东升新材料有限公司 | 两性瓜尔胶及其制备方法和应用 |
CN103113485A (zh) * | 2013-02-01 | 2013-05-22 | 上海中纺联高能技术有限公司 | 一种印染糊料的改性方法 |
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-
2003
- 2003-06-25 AU AU2003248735A patent/AU2003248735A1/en not_active Abandoned
- 2003-06-25 US US10/607,079 patent/US7838667B2/en not_active Expired - Fee Related
- 2003-06-25 CN CN201010512608.4A patent/CN101974131B/zh not_active Expired - Fee Related
- 2003-06-25 JP JP2004516279A patent/JP4718834B2/ja not_active Expired - Lifetime
- 2003-06-25 CN CNA038177870A patent/CN1671721A/zh active Pending
- 2003-06-25 BR BRPI0312075A patent/BRPI0312075B8/pt not_active IP Right Cessation
- 2003-06-25 EP EP11160480.7A patent/EP2341055B1/en not_active Expired - Lifetime
- 2003-06-25 RU RU2005101747/04A patent/RU2325405C2/ru not_active IP Right Cessation
- 2003-06-25 EP EP03761349A patent/EP1539776B1/en not_active Expired - Lifetime
- 2003-06-25 AT AT03761349T patent/ATE529447T1/de not_active IP Right Cessation
- 2003-06-25 WO PCT/US2003/020263 patent/WO2004001386A2/en active Application Filing
-
2010
- 2010-11-22 US US12/951,789 patent/US8889653B2/en not_active Expired - Fee Related
- 2010-12-11 JP JP2010276462A patent/JP5452819B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1539776A2 (en) | 2005-06-15 |
EP1539776A4 (en) | 2007-09-12 |
WO2004001386A3 (en) | 2004-04-15 |
CN1671721A (zh) | 2005-09-21 |
US7838667B2 (en) | 2010-11-23 |
EP1539776B1 (en) | 2011-10-19 |
US8889653B2 (en) | 2014-11-18 |
RU2005101747A (ru) | 2005-09-10 |
BR0312075A (pt) | 2005-06-28 |
ATE529447T1 (de) | 2011-11-15 |
WO2004001386A2 (en) | 2003-12-31 |
EP2341055A1 (en) | 2011-07-06 |
CN101974131B (zh) | 2015-05-20 |
CN101974131A (zh) | 2011-02-16 |
AU2003248735A8 (en) | 2004-01-06 |
US20110137004A1 (en) | 2011-06-09 |
JP5452819B2 (ja) | 2014-03-26 |
BRPI0312075B1 (pt) | 2015-09-08 |
JP4718834B2 (ja) | 2011-07-06 |
JP2011137152A (ja) | 2011-07-14 |
RU2325405C2 (ru) | 2008-05-27 |
AU2003248735A1 (en) | 2004-01-06 |
US20040072947A1 (en) | 2004-04-15 |
EP2341055B1 (en) | 2016-03-02 |
JP2005530898A (ja) | 2005-10-13 |
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Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2728 DE 18-04-2023 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. |