GB1251019A - - Google Patents

Info

Publication number
GB1251019A
GB1251019A GB1251019DA GB1251019A GB 1251019 A GB1251019 A GB 1251019A GB 1251019D A GB1251019D A GB 1251019DA GB 1251019 A GB1251019 A GB 1251019A
Authority
GB
United Kingdom
Prior art keywords
cellulose
hydrogen peroxide
cellulose ether
ether
april
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1251019A publication Critical patent/GB1251019A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB1251019D 1969-04-04 1970-04-06 Expired GB1251019A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81372069A 1969-04-04 1969-04-04

Publications (1)

Publication Number Publication Date
GB1251019A true GB1251019A (enExample) 1971-10-27

Family

ID=25213182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251019D Expired GB1251019A (enExample) 1969-04-04 1970-04-06

Country Status (4)

Country Link
US (1) US3728331A (enExample)
JP (1) JPS4819232B1 (enExample)
DE (1) DE2016203B2 (enExample)
GB (1) GB1251019A (enExample)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922173A (en) * 1974-07-22 1975-11-25 Halliburton Co Temperature-stable aqueous gels
US4048433A (en) * 1976-02-02 1977-09-13 The Procter & Gamble Company Cellulose ethers having a low molecular weight and a high degree of methyl substitution
US4061859A (en) * 1976-06-14 1977-12-06 The Dow Chemical Company Viscosity reduction of cellulose derivatives
US4250305A (en) * 1978-09-01 1981-02-10 Kohjin Co., Ltd. Process for preparing cellulose ether
DE2917104A1 (de) 1979-04-27 1980-11-06 Hoechst Ag Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung
IT1121850B (it) * 1979-06-20 1986-04-23 Montedison Spa Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione
DE3009149A1 (de) * 1980-03-10 1981-09-24 Kohjin Co., Ltd., Tokyo Verfahren zum veraethern von cellulosen
US4420611A (en) * 1982-03-18 1983-12-13 Hercules Incorporated Stabilization of irradiated carboxymethyl cellulose
US4547571A (en) * 1983-10-06 1985-10-15 Kohjin Co., Ltd. Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating
DE3530857A1 (de) * 1985-08-29 1987-03-05 Hoechst Ag Verfahren zur herstellung von niedrigviskosen celluloseethern
FI895708A7 (fi) * 1989-02-10 1990-08-11 Alko Ab Oy Vesiliukoinen hajoamistuote
US5366755A (en) * 1989-02-10 1994-11-22 Maritta Timonen Foodstuffs containing novel degraded cellulose derivatives
NZ232432A (en) 1989-02-10 1991-09-25 Alko Ltd Food compositions in which (some of) a high-energy ingredient is replaced by a degraded cellulose derivative with average molecular weight between 500 and 100000
US5006168A (en) * 1989-04-03 1991-04-09 Aqualon Company Water soluble polymers as alcohol replacement in lithographic fountain solutions
EP0465992B1 (en) * 1990-07-02 1998-06-17 Aqualon Company High solids low viscosity polysaccharide composition
US5476668A (en) * 1990-08-24 1995-12-19 Shin-Etsu Chemical Co., Ltd. Base for film-coating pharmaceuticals and method for preparing same
EP0497985B1 (en) * 1990-08-24 1998-07-22 Shin-Etsu Chemical Co., Ltd. Coating base for pharmaceutical film and production thereof
ES2119828T3 (es) * 1992-04-20 1998-10-16 Aqualon Co Composiciones acuosas de revestimiento con nivelacion mejorada.
DE19854770A1 (de) * 1998-11-27 2000-05-31 Wolff Walsrode Ag Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether
RU2133755C1 (ru) * 1998-12-10 1999-07-27 Закрытое акционерное общество Корпорация "Авис Уголь" Способ получения соли карбоксиалкилцеллюлозы
US6488091B1 (en) * 2001-06-11 2002-12-03 Halliburton Energy Services, Inc. Subterranean formation treating fluid concentrates, treating fluids and methods
US20050137094A1 (en) * 2001-06-11 2005-06-23 Halliburton Energy Sevices, Inc. Subterranean formation treatment fluids and methods of using such fluids
US7001872B2 (en) * 2001-06-11 2006-02-21 Halliburton Energy Services, Inc. Subterranean formation treating fluid and methods of fracturing subterranean formations
EP1417240A1 (en) * 2001-06-11 2004-05-12 Rhodia, Inc. Galactomannan compositions and methods for making and using same
DE10141680B4 (de) * 2001-08-25 2004-02-26 Clariant Gmbh Verfahren zur Herstellung niederviskoser Celluloseether durch sauer-oxidativen Abbau von gemahlenen und getrockneten Celluloseethern
US6971448B2 (en) * 2003-02-26 2005-12-06 Halliburton Energy Services, Inc. Methods and compositions for sealing subterranean zones
US20070179292A1 (en) * 2004-05-26 2007-08-02 Spencer Michael V Production of low molecular weight ethylcellulose
KR101241845B1 (ko) * 2004-05-26 2013-03-12 다우 글로벌 테크놀로지스 엘엘씨 저분자량 에틸셀룰로오즈의 제조방법
JP2006241374A (ja) * 2005-03-04 2006-09-14 Dai Ichi Kogyo Seiyaku Co Ltd カルボキシメチルセルロース塩の製造方法
US7947745B1 (en) * 2007-10-09 2011-05-24 Fritz Industries, Inc Reducing the viscosity of an aqueous fluid
CN102307722B (zh) * 2009-02-12 2016-06-22 罗地亚管理公司 控制聚合物组合物解聚的方法
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
ES2752755T3 (es) 2009-05-28 2020-04-06 Gp Cellulose Gmbh Celulosa modificada de fibra química kraft y métodos de producción y uso de la misma
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
CN102482358B (zh) * 2009-09-02 2014-12-10 日本曹达株式会社 羟丙基纤维素粒子
IN2012DE00454A (enExample) 2011-02-21 2015-06-05 Shin Etsu Chemical Co Ltd
ITVA20110009A1 (it) 2011-03-25 2012-09-26 Lamberti Spa Composizione cosmetica per la pelle
PT2505615E (pt) * 2011-04-01 2014-07-11 Omya Int Ag Pigmento híbrido autoligante
EP2505614B1 (en) 2011-04-01 2013-11-13 Omya International AG Process for preparing self-binding pigment particles
AU2012268700B2 (en) 2011-05-23 2017-02-02 Gp Cellulose Gmbh Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same
RS53203B (sr) 2011-08-31 2014-06-30 Omya International Ag Samovezujući pigmentni hibrid
MX366988B (es) 2012-01-12 2019-08-01 Gp Cellulose Gmbh Fibra kraft de baja viscosidad que tiene propiedades de amarillez reducida, y metodos para prepararla y usarla.
EP3495550A1 (en) 2012-04-18 2019-06-12 GP Cellulose GmbH The use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products
KR101971738B1 (ko) * 2012-12-11 2019-04-23 롯데정밀화학 주식회사 부분 중화법을 통한 초저점도 히드록시알킬 셀룰로오스의 제조방법
MX365675B (es) 2013-02-08 2019-06-10 Gp Cellulose Gmbh Fibra kraft de madera blanda que tiene un contenido mejorado de a-celulosa, y su uso en la produccion de productos de celulosa quimica.
EP2971334A2 (en) 2013-03-14 2016-01-20 GP Cellulose GmbH A method of making highly functional, low viscosity kraft fiber using an acidic bleaching sequence and a fiber made by the process
CA2901915A1 (en) 2013-03-15 2014-09-18 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
WO2018093697A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
EP4678702A1 (en) 2024-07-10 2026-01-14 Lamberti SPA Architectural coating compositions

Also Published As

Publication number Publication date
JPS4819232B1 (enExample) 1973-06-12
DE2016203A1 (de) 1970-10-08
DE2016203B2 (de) 1974-02-28
US3728331A (en) 1973-04-17

Similar Documents

Publication Publication Date Title
GB1487859A (en) Water soluble ternary cellulose ethers
GB1139637A (en) Process for the manufacture of low viscosity water-soluble cellulose ethers
ES263099A2 (es) Mejoras introducidas en la prepararciën de soluciones coloidales acuosas de materiales de galactomanano
GB1054386A (enExample)
ES377811A1 (es) Un procedimiento para la preparacion de una sustancia sabo-rizante.
GB1371688A (en) Process for preparing benzoxazolones-2- and benzothiazolones-2
MX167072B (es) Agente de carbonatacion y su preparacion
GB1462023A (en) Manufacture of cobalt iii acetylacetonate
GB1381553A (en) Cellulose ether thickener for latex paint
GB1131251A (en) Alkali metal salts of carboxymethyl cellulose
GB1234742A (en) Process for the production of palladium acetyl acetone
GB1263172A (en) Preparation of mixed cellulose ethers
Wood Carbonate equilibria in Lake Erie
ES401014A1 (es) Metodo mejorado para la determinacion enzimatica del conte-nido de etanol de un material que contiene etanol.
GB1331637A (en) Method for producing dried nonhydrated sodium dithionite
GB909039A (en) Improvements in and relating to the production of cellulose methyl ethers
GB1253726A (en) Manufacture of carboxymethyl hydroxyalkyl mixed cellulose ethers
JPS56143201A (en) Etherification of carboxymethyl cellulose
ES395318A1 (es) Un metodo para impedir que un antibiotico de macrolida se descomponga en presencia de un compuesto de vitamina b2.
JPS5452718A (en) Preparation of solid pharmaceuticals
GB1222060A (en) Treatment of tobacco
GB1161953A (en) Improved Cellulose Ether Composition
GB1110697A (en) Improvements in or relating to a slurry process for preparing carboxymethyl cellulose
NL6911302A (en) Preparation of concentrated aqueous solutions of - ammonium metatungstate from aqueous suspensions of
ES333245A1 (es) Un procedimiento para la preparacion de una composicion limpiadora.

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees