BR112014007367A2 - processo para despolimerizar um polissacarídeo, polissacarídeo, e, uso de um polissacarídeo - Google Patents
processo para despolimerizar um polissacarídeo, polissacarídeo, e, uso de um polissacarídeoInfo
- Publication number
- BR112014007367A2 BR112014007367A2 BR112014007367A BR112014007367A BR112014007367A2 BR 112014007367 A2 BR112014007367 A2 BR 112014007367A2 BR 112014007367 A BR112014007367 A BR 112014007367A BR 112014007367 A BR112014007367 A BR 112014007367A BR 112014007367 A2 BR112014007367 A2 BR 112014007367A2
- Authority
- BR
- Brazil
- Prior art keywords
- polysaccharide
- depolymerizing
- procedure
- polysaccharides
- catalyzed
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0087—Glucomannans or galactomannans; Tara or tara gum, i.e. D-mannose and D-galactose units, e.g. from Cesalpinia spinosa; Tamarind gum, i.e. D-galactose, D-glucose and D-xylose units, e.g. from Tamarindus indica; Gum Arabic, i.e. L-arabinose, L-rhamnose, D-galactose and D-glucuronic acid units, e.g. from Acacia Senegal or Acacia Seyal; Derivatives thereof
- C08B37/0096—Guar, guar gum, guar flour, guaran, i.e. (beta-1,4) linked D-mannose units in the main chain branched with D-galactose units in (alpha-1,6), e.g. from Cyamopsis Tetragonolobus; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
- C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/02—Oxycellulose; Hydrocellulose; Cellulosehydrate, e.g. microcrystalline cellulose
- C08B15/04—Carboxycellulose, e.g. prepared by oxidation with nitrogen dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/10—Esters of organic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0033—Additives activating the degradation of the macromolecular compound
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Emergency Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Sustainable Development (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
1 / 1 resumo “processo para despolimerizar um polissacarã�deo, polissacarã�deo, e, uso de um polissacarã�deoâ€� procedimento para despolimerizar polissacarãdeos usando-se irradiaã§ã£o de luz uv-vis catalisada por um fotoiniciador de radical. os polissacarãdeos obtidos com o procedimento da invenã§ã£o tem um peso molecular mã©dio numã©rico compreendido entre 5.000 e 500.000 e quando dissolvido em ã¡gua dã¡ soluã§ãµes com concentraã§ãµes altas e viscosidade baixa.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000028A ITVA20110028A1 (it) | 2011-10-03 | 2011-10-03 | Depolimerizzazione di polisaccaridi e prodotti correlati |
PCT/EP2012/069163 WO2013050300A2 (en) | 2011-10-03 | 2012-09-28 | Depolymerisation of polysaccharides and related products |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112014007367A2 true BR112014007367A2 (pt) | 2017-04-04 |
Family
ID=44872539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112014007367A BR112014007367A2 (pt) | 2011-10-03 | 2012-09-28 | processo para despolimerizar um polissacarídeo, polissacarídeo, e, uso de um polissacarídeo |
Country Status (9)
Country | Link |
---|---|
US (2) | US20150291707A1 (pt) |
EP (1) | EP2764027A2 (pt) |
KR (1) | KR20140069243A (pt) |
CN (1) | CN103842385A (pt) |
BR (1) | BR112014007367A2 (pt) |
CA (1) | CA2850847A1 (pt) |
IT (1) | ITVA20110028A1 (pt) |
WO (1) | WO2013050300A2 (pt) |
ZA (1) | ZA201401616B (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2942396A1 (en) | 2014-05-07 | 2015-11-11 | Novartis AG | Polysaccharides produced by CPSC mutants |
JP6318111B2 (ja) * | 2015-03-27 | 2018-04-25 | 富士フイルム株式会社 | 光重合開始剤、及びそれを用いた、インク組成物、インクセット及び画像形成方法 |
KR102373750B1 (ko) * | 2016-10-06 | 2022-03-15 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 저중합도 셀룰로오스 에테르의 제조 방법 |
CN108371713B (zh) * | 2018-02-11 | 2020-03-31 | 重庆医科大学 | 利用可见光诱导交联的普鲁兰多糖载药系统及其制备方法 |
KR102313623B1 (ko) * | 2019-08-02 | 2021-10-19 | 연세대학교 산학협력단 | 저점도 히알루론산 제조방법 |
JPWO2023282046A1 (pt) * | 2021-07-05 | 2023-01-12 | ||
CN113477408B (zh) * | 2021-07-21 | 2022-08-02 | 东北大学 | 可得然胶作为铁矿反浮选中抑制剂在矿物加工领域的应用及应用方法 |
DE102021127514A1 (de) | 2021-10-22 | 2023-04-27 | ZFB Zentrum für Bucherhaltung GmbH | β-POLYGLUCOSID-BASIERTE BIOPOLYMER-VERBUNDWERKSTOFFE |
CN114773488B (zh) * | 2022-05-19 | 2023-02-28 | 浙江三和食品科技有限公司 | 一种高透明度羧甲基纤维素钠的制备方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3352773A (en) | 1964-09-16 | 1967-11-14 | Gillette Res Inst Inc | Method of degrading polysaccharides using light radiation and a watersoluble metal or nitrogen base salt of nitrous or hyponitric acid |
US3992477A (en) * | 1974-12-31 | 1976-11-16 | Ford Motor Company | Protective coating composition |
EP0136722B1 (en) | 1983-10-06 | 1989-05-31 | Kohjin Co., Ltd. | Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating |
FI895708A0 (fi) | 1989-02-10 | 1989-11-29 | Alko Ab Oy | Vattenloeslig soenderdelningsprodukt. |
EP0465992B1 (en) | 1990-07-02 | 1998-06-17 | Aqualon Company | High solids low viscosity polysaccharide composition |
GB9315434D0 (en) | 1993-07-26 | 1993-09-08 | Courtaulds Plc | Hydrolysis of polysaccharides |
DE4411681A1 (de) | 1994-04-05 | 1995-10-12 | Hoechst Ag | Verfahren zur Herstellung niedermolekularer Polysaccharidether |
DE4434280C2 (de) | 1994-09-26 | 1998-09-10 | Clariant Gmbh | Verfahren zur Herstellung von niedermolekularen Celluloseethern und ihre Verwendung als Überzugsmaterial für feste Dosiereinheiten |
WO1999004027A1 (en) | 1997-07-16 | 1999-01-28 | Rhodia Inc. | Production of galactomannan products by enzymatic reaction on guar splits |
WO2001007485A1 (de) | 1999-07-28 | 2001-02-01 | Rhodia Acetow Gmbh | Verfahren zur gezielten depolymerisation von polysacchariden |
US6383344B1 (en) | 2000-07-19 | 2002-05-07 | Genzyme Corporation | Molecular weight reduction of polymer using irradiation treatment |
WO2002100902A1 (en) | 2001-06-11 | 2002-12-19 | Rhodia, Inc | Galactomannan compositions and methods for making and using same |
EP1551882B1 (en) | 2002-06-25 | 2016-05-11 | Solvay USA Inc. | Molecular weight reduction of polysaccharides by electron beams |
CN101225123B (zh) * | 2007-12-07 | 2010-10-13 | 北京化工大学 | 一种水溶性壳聚糖衍生物及其制备方法和应用 |
FR2938265B1 (fr) | 2008-11-12 | 2011-07-15 | Univ Claude Bernard Lyon | Procede pour le pilotage d'un traitement de depolymerisation par ultrasons d'un biopolymere hydrosoluble |
CN101544704B (zh) * | 2009-03-30 | 2011-06-15 | 武汉拓扑科技发展有限公司 | 一种低分子量瓜尔胶的制备方法 |
-
2011
- 2011-10-03 IT IT000028A patent/ITVA20110028A1/it unknown
-
2012
- 2012-09-28 WO PCT/EP2012/069163 patent/WO2013050300A2/en active Application Filing
- 2012-09-28 EP EP12772095.1A patent/EP2764027A2/en not_active Withdrawn
- 2012-09-28 CN CN201280048657.4A patent/CN103842385A/zh active Pending
- 2012-09-28 BR BR112014007367A patent/BR112014007367A2/pt not_active IP Right Cessation
- 2012-09-28 KR KR20147010884A patent/KR20140069243A/ko not_active Application Discontinuation
- 2012-09-28 US US14/349,554 patent/US20150291707A1/en not_active Abandoned
- 2012-09-28 CA CA 2850847 patent/CA2850847A1/en not_active Abandoned
-
2014
- 2014-03-04 ZA ZA2014/01616A patent/ZA201401616B/en unknown
-
2016
- 2016-05-18 US US15/157,867 patent/US20170002100A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ZA201401616B (en) | 2015-01-28 |
CN103842385A (zh) | 2014-06-04 |
KR20140069243A (ko) | 2014-06-09 |
ITVA20110028A1 (it) | 2013-04-04 |
US20150291707A1 (en) | 2015-10-15 |
EP2764027A2 (en) | 2014-08-13 |
WO2013050300A3 (en) | 2013-05-30 |
WO2013050300A2 (en) | 2013-04-11 |
US20170002100A1 (en) | 2017-01-05 |
CA2850847A1 (en) | 2013-04-11 |
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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] | ||
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 6A ANUIDADE. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2481 DE 24-07-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |