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
Application number
BRPI0312075A
Other languages
English (en)
Other versions
BRPI0312075B1 (pt
BR0312075A (pt
Inventor
Christian Priou
Leo Zhaoqing Liu
Original Assignee
Rhodia
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rhodia filed Critical Rhodia
Publication of BR0312075A publication Critical patent/BR0312075A/pt
Publication of BRPI0312075B1 publication Critical patent/BRPI0312075B1/pt
Publication of BRPI0312075B8 publication Critical patent/BRPI0312075B8/pt

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)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Birds (AREA)
  • Dermatology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Graft Or Block Polymers (AREA)
  • Cosmetics (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Detergent Compositions (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (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.
BRPI0312075A 2002-06-25 2003-06-25 método para enxerto de um monômero insaturado em um polissacarídeo. BRPI0312075B8 (pt)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0312077B8 (pt) * 2002-06-25 2017-10-24 Rhodia método de despolimerização de polissacarídeos
AU2005271488A1 (en) * 2004-08-03 2006-02-16 Rhodia Inc., Polysaccharide graft copolymers and their use in personal car eapplications
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
EP2194185B1 (en) * 2008-01-30 2016-10-26 Kurashiki Boseki Kabushiki Kaisha Flame retardant processing method, and cellulosic fiber material imparted with flame retardancy
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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Also Published As

Publication number Publication date
JP2005530898A (ja) 2005-10-13
WO2004001386A3 (en) 2004-04-15
WO2004001386A2 (en) 2003-12-31
BRPI0312075B1 (pt) 2015-09-08
CN1671721A (zh) 2005-09-21
EP1539776A2 (en) 2005-06-15
EP1539776B1 (en) 2011-10-19
EP1539776A4 (en) 2007-09-12
US8889653B2 (en) 2014-11-18
EP2341055A1 (en) 2011-07-06
US7838667B2 (en) 2010-11-23
RU2005101747A (ru) 2005-09-10
JP2011137152A (ja) 2011-07-14
JP4718834B2 (ja) 2011-07-06
BR0312075A (pt) 2005-06-28
AU2003248735A1 (en) 2004-01-06
JP5452819B2 (ja) 2014-03-26
US20110137004A1 (en) 2011-06-09
ATE529447T1 (de) 2011-11-15
CN101974131A (zh) 2011-02-16
CN101974131B (zh) 2015-05-20
AU2003248735A8 (en) 2004-01-06
EP2341055B1 (en) 2016-03-02
RU2325405C2 (ru) 2008-05-27
US20040072947A1 (en) 2004-04-15

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 08/09/2015, OBSERVADAS AS CONDICOES LEGAIS.

B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: REFERENTE AO DESPACHO 16.1 PUBLICADO NA RPI 2331 DE 08.09.2015, QUANTO AO ENDERECO DO TITULAR

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

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 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.