IT7923716A0 - Poli-carbossi-alchil-cellulose ad alto potere assorbente e di ritezione dei fluidi e processo per la loro preparazione. - Google Patents
Poli-carbossi-alchil-cellulose ad alto potere assorbente e di ritezione dei fluidi e processo per la loro preparazione.Info
- Publication number
- IT7923716A0 IT7923716A0 IT7923716A IT2371679A IT7923716A0 IT 7923716 A0 IT7923716 A0 IT 7923716A0 IT 7923716 A IT7923716 A IT 7923716A IT 2371679 A IT2371679 A IT 2371679A IT 7923716 A0 IT7923716 A0 IT 7923716A0
- Authority
- IT
- Italy
- Prior art keywords
- carboxy
- cellulose
- poly
- alkyl
- preparation
- Prior art date
Links
- 230000002745 absorbent Effects 0.000 title 1
- 239000002250 absorbent Substances 0.000 title 1
- 229920013820 alkyl cellulose Polymers 0.000 title 1
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)
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 |
EP80103451A EP0023561B1 (en) | 1979-06-20 | 1980-06-20 | Polycarboxyalkyl-cellulose having high fluid absorbing and retaining properties, and process for preparing same |
DE8080103451T DE3067825D1 (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 true IT7923716A0 (it) | 1979-06-20 |
IT1121850B 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)
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 |
PL194499B1 (pl) * | 1996-12-18 | 2007-06-29 | Sca Hygiene Products Zeist Bv | Usieciowana, zawierająca grupy karboksylowe, superabsorbujaca pochodna polisacharydu i sposoby jej wytwarzania |
EP1140229B1 (en) * | 1998-12-16 | 2010-10-06 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Acidic superabsorbent polysaccharides |
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 |
US20030125683A1 (en) * | 2001-12-31 | 2003-07-03 | Reeves William G. | Durably hydrophilic, non-leaching coating for hydrophobic substances |
US20030143388A1 (en) * | 2001-12-31 | 2003-07-31 | Reeves William G. | Regenerated carbohydrate foam composition |
US20030155679A1 (en) * | 2001-12-31 | 2003-08-21 | Reeves William G. | Method of making regenerated carbohydrate foam compositions |
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 |
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 |
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)
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 |
-
1979
- 1979-06-20 IT IT23716/79A patent/IT1121850B/it active
-
1980
- 1980-06-19 US US06/160,990 patent/US4340731A/en not_active Expired - Lifetime
- 1980-06-19 JP JP8339680A patent/JPS568402A/ja active Granted
- 1980-06-20 EP EP80103451A patent/EP0023561B1/en not_active Expired
- 1980-06-20 DE DE8080103451T patent/DE3067825D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS568402A (en) | 1981-01-28 |
EP0023561B1 (en) | 1984-05-16 |
EP0023561A1 (en) | 1981-02-11 |
IT1121850B (it) | 1986-04-23 |
JPH0227361B2 (it) | 1990-06-15 |
US4340731A (en) | 1982-07-20 |
DE3067825D1 (en) | 1984-06-20 |
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