IT1121850B - Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione - Google Patents

Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione

Info

Publication number
IT1121850B
IT1121850B IT23716/79A IT2371679A IT1121850B IT 1121850 B IT1121850 B IT 1121850B IT 23716/79 A IT23716/79 A IT 23716/79A IT 2371679 A IT2371679 A IT 2371679A IT 1121850 B IT1121850 B IT 1121850B
Authority
IT
Italy
Prior art keywords
retection
carbossi
alchil
pol
cellulose
Prior art date
Application number
IT23716/79A
Other languages
English (en)
Other versions
IT7923716A0 (it
Inventor
Virginio Colombo
Alberto Nicoletti
Benito Casu
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Priority to IT23716/79A priority Critical patent/IT1121850B/it
Publication of IT7923716A0 publication Critical patent/IT7923716A0/it
Priority to US06/160,990 priority patent/US4340731A/en
Priority to JP8339680A priority patent/JPS568402A/ja
Priority to DE8080103451T priority patent/DE3067825D1/de
Priority to EP80103451A priority patent/EP0023561B1/en
Application granted granted Critical
Publication of IT1121850B publication Critical patent/IT1121850B/it

Links

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28—Polysaccharides or their derivatives

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Hematology (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
IT23716/79A 1979-06-20 1979-06-20 Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione IT1121850B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT23716/79A IT1121850B (it) 1979-06-20 1979-06-20 Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione
US06/160,990 US4340731A (en) 1979-06-20 1980-06-19 Polycarboxyalkyl-cellulose having high fluid absorbing and retaining properties, and process for preparing same
JP8339680A JPS568402A (en) 1979-06-20 1980-06-19 Polyycarboxyyalkyllcellulose having high liquid absorption and maintenance and its manufacture
DE8080103451T DE3067825D1 (en) 1979-06-20 1980-06-20 Polycarboxyalkyl-cellulose having high fluid absorbing and retaining properties, and process for preparing same
EP80103451A EP0023561B1 (en) 1979-06-20 1980-06-20 Polycarboxyalkyl-cellulose having high fluid absorbing and retaining properties, and process for preparing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23716/79A IT1121850B (it) 1979-06-20 1979-06-20 Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione

Publications (2)

Publication Number Publication Date
IT7923716A0 IT7923716A0 (it) 1979-06-20
IT1121850B true IT1121850B (it) 1986-04-23

Family

ID=11209382

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23716/79A IT1121850B (it) 1979-06-20 1979-06-20 Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione

Country Status (5)

Country Link
US (1) US4340731A (it)
EP (1) EP0023561B1 (it)
JP (1) JPS568402A (it)
DE (1) DE3067825D1 (it)
IT (1) IT1121850B (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3270438D1 (en) * 1981-09-30 1986-05-15 Leipzig Arzneimittel Absorbent wound dressing and processes for its production
JPS6094401A (ja) * 1983-10-31 1985-05-27 Asahi Chem Ind Co Ltd 吸液特性のすぐれたセルロース誘導体およびその製造方法
US4609675A (en) * 1984-08-17 1986-09-02 The Upjohn Company Stable, high dose, high bulk density ibuprofen granulations for tablet and capsule manufacturing
US4777943A (en) * 1984-11-10 1988-10-18 Malliner Laboratories Inc. Use of transparent membranes made of hydrogel polymers as a cover for various organs during surgery
DE3509584A1 (de) * 1985-03-16 1986-09-18 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Verfahren zur aufzeichnung eines signals auf einem bandfoermigen aufzeichnungstraeger
JP2633526B2 (ja) * 1986-01-16 1997-07-23 ソニー株式会社 記録再生装置
US5098417A (en) * 1990-04-12 1992-03-24 Ricoh Kyosan, Inc. Cellulosic wound dressing with an active agent ionically absorbed thereon
US5247072A (en) * 1991-10-25 1993-09-21 Kimberly-Clark Corporation Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof
US5550189A (en) * 1992-04-17 1996-08-27 Kimberly-Clark Corporation Modified polysaccharides having improved absorbent properties and process for the preparation thereof
JP4380799B2 (ja) 1996-12-18 2009-12-09 ネーデルランドセ・オルガニザテイエ・フール・テゲパスト−ナトウールベテンシヤツペリーク・オンデルツエク・テイエヌオー 超吸収性材料並びに該材料の製造法
KR20010105311A (ko) * 1998-12-16 2001-11-28 추후기재 초흡수성의 산성 폴리사카라이드
JP3576063B2 (ja) * 2000-02-22 2004-10-13 株式会社ホギメディカル 凝固蛋白質を含む可溶性創傷治癒止血セルロース繊維とその製造方法
JP2002078733A (ja) * 2000-06-28 2002-03-19 Uni Charm Corp 吸収性物品
US6500947B1 (en) 2001-08-24 2002-12-31 Weyerhaeuser Company Superabsorbent polymer
US20030143388A1 (en) * 2001-12-31 2003-07-31 Reeves William G. Regenerated carbohydrate foam composition
US20030125683A1 (en) * 2001-12-31 2003-07-03 Reeves William G. Durably hydrophilic, non-leaching coating for hydrophobic substances
US20030155679A1 (en) * 2001-12-31 2003-08-21 Reeves William G. Method of making regenerated carbohydrate foam compositions
US20030035950A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20030034137A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20030024663A1 (en) * 2002-07-19 2003-02-06 Neogi Amar N. Superabsorbent cellulosic fiber
US20030034136A1 (en) * 2002-07-19 2003-02-20 Neogi Amar N. Superabsorbent cellulosic fiber
US20050148922A1 (en) * 2003-12-31 2005-07-07 Reeves William G. Thermoplastic composition and products made therefrom
US7777781B2 (en) * 2005-08-26 2010-08-17 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Method and system for determining the motion of an imaging apparatus
US8013895B2 (en) 2006-08-07 2011-09-06 Avago Technologies General Ip (Singapore) Pte. Ltd. Optical motion sensing
US20080147026A1 (en) * 2006-12-15 2008-06-19 Jian Qin Absorbent fiber with a low absorbent capacity and slow absorption rate
CN104169306A (zh) * 2012-03-14 2014-11-26 日本制纸株式会社 阴离子改性纤维素纳米纤维分散液的制造方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523377A (en) * 1946-12-24 1950-09-26 Hercules Powder Co Ltd Preparation of cellulose ethers
US2555446A (en) * 1947-06-06 1951-06-05 Phillips Petroleum Co Production of carboxyalkyl cellulose ethers
US2639239A (en) * 1950-11-18 1953-05-19 Hercules Powder Co Ltd Heat-treated alkali-metal carboxymethyl cellulose and process of preparing it
GB953944A (en) 1962-02-16 1964-04-02 Ici Ltd Reduction of viscosity of water-soluble non-ionic cellulose ethers
GB1086323A (en) * 1963-07-18 1967-10-11 Courtaulds Ltd Derivative of carboxy methyl cellulose
US3379721A (en) * 1964-10-12 1968-04-23 Hercules Inc Process of treating water-soluble alkali metal salts of cmc and product
US3278331A (en) * 1965-07-26 1966-10-11 Pennsalt Chemicals Corp Process for coating steel with zinc
US3589364A (en) * 1968-03-14 1971-06-29 Buckeye Cellulose Corp Bibulous cellulosic fibers
US3728331A (en) * 1969-04-04 1973-04-17 Dow Chemical Co Process for reducing the viscosity of a cellulose ether with hydrogen peroxide
US3678031A (en) * 1970-10-21 1972-07-18 Buckeye Cellulose Corp Slurry process for the production of absorptive carboxy methyl cellulose fibers
US3723413A (en) * 1970-10-26 1973-03-27 Personal Products Co Water-insoluble fluid-absorptive and retentive materials and methods of making the same
US3731686A (en) * 1971-03-22 1973-05-08 Personal Products Co Fluid absorption and retention products and methods of making the same
GB1407132A (en) * 1973-03-15 1975-09-24 Pesonal Products Co Cellulosic materials
US4200557A (en) * 1973-12-07 1980-04-29 Personal Products Company Absorbent product including grafted insolubilized cellulose ether
US4041233A (en) * 1976-03-15 1977-08-09 Nasa Aldehyde-containing urea-absorbing polysaccharides
US4200737A (en) * 1978-05-17 1980-04-29 International Playtex, Inc. Preparation of water-insoluble carboxymethyl cellulose absorbents
US4200736A (en) * 1978-05-17 1980-04-29 International Playtex, Inc. Preparation of water-insoluble carboxymethyl cellulose absorbents
DE2823757C2 (de) * 1978-05-31 1982-10-21 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von quellfähigen Fasern oder quellfähigen textilen Flächengebilden

Also Published As

Publication number Publication date
EP0023561A1 (en) 1981-02-11
EP0023561B1 (en) 1984-05-16
US4340731A (en) 1982-07-20
DE3067825D1 (en) 1984-06-20
JPS568402A (en) 1981-01-28
JPH0227361B2 (it) 1990-06-15
IT7923716A0 (it) 1979-06-20

Similar Documents

Publication Publication Date Title
IT1121850B (it) Pol-carbossi-alchil-cellulose ad ritezione dei fluidi e processo per la loro preparazione
IT1097652B (it) 17-alchilcarbonati di corticosteroidi e processo per la loro preparazione
IT8025503A0 (it) Processo per la preparazione diprodotti assorbenti e/o adsorbenti acqua.
IT1096492B (it) Solfamoil-arilchetoni e processo per la loro preparazione
IT7824422A0 (it) Poliaddotti contenenti fosforo e processo per la loro preparazione.
IT1132695B (it) 8-amminoalchil-4-alchilpsoraleni e metodo per la loro produzione
IT7949570A0 (it) Coloranti catiolici e procedimento per la loro produzione ed applicazione
IT1076180B (it) Composti stilbenici e processo per la loro preparazione
IT1089242B (it) 1,3,4-ossadiazoli,processo per la loro preparazione e loro impiego
IT1085546B (it) Benzensolfoniluree e processo per la loro preparazione
IT1077193B (it) 1-arilossi-2-idrossi-3-aminopropani e processo per la loro preparazione
IT1070748B (it) Composti antrachinonici e loro processo di preparazione
IT1079147B (it) Composti fotocromici e processo di loro preparazione
IT8021089A0 (it) Furani arilsostituiti e processo per la loro preparazione.
IT1094608B (it) Benzenesolfoniluree e processo per la loro preparazione
IT1101647B (it) Composti 1.8-naftiridinici e processo per la loro preparazione
IT1094425B (it) N-fenilformamidossime sostituite e processo per la loro preparazione
IT7926547A0 (it) Processo per la preparazione di carbamil derivati di alfa -idrossiacidi e dei corrispondenti alfa -idrossiacidi.
IT1133059B (it) Antibiotici e procedimento per la loro produzione
IT1157212B (it) Coloranti reattivi e procedimento per la loro produzione ed applicazione
IT1126432B (it) Esaidro-2,6-metano-3-benzazocine e processo di loro preparazione
IT1101646B (it) 4-carbeiossi-carbonilamino-pirimidine e processo per la loro preparazione
IT1075815B (it) Mezzi di rivestimento e processo per la loro preparazione
IT7922270A0 (it) Benzensolfoniluree e processo per la loro preparazione.
IT7948158A0 (it) Fenossi-idrossipropilammine e procedimento per la loro produzione