JPS6219897B2 - - Google Patents

Info

Publication number
JPS6219897B2
JPS6219897B2 JP54041812A JP4181279A JPS6219897B2 JP S6219897 B2 JPS6219897 B2 JP S6219897B2 JP 54041812 A JP54041812 A JP 54041812A JP 4181279 A JP4181279 A JP 4181279A JP S6219897 B2 JPS6219897 B2 JP S6219897B2
Authority
JP
Japan
Prior art keywords
chitin
degree
crosslinking
reaction
deacetylation
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
JP54041812A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55134646A (en
Inventor
Junichi Kosugi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Priority to JP4181279A priority Critical patent/JPS55134646A/ja
Priority to US06/132,787 priority patent/US4373096A/en
Priority to CA000348930A priority patent/CA1122209A/en
Priority to DE8080301032T priority patent/DE3061737D1/de
Priority to EP80301032A priority patent/EP0018131B1/en
Priority to DK147880A priority patent/DK147880A/da
Publication of JPS55134646A publication Critical patent/JPS55134646A/ja
Priority to US06/390,832 priority patent/US4493928A/en
Publication of JPS6219897B2 publication Critical patent/JPS6219897B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • 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
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
JP4181279A 1979-04-06 1979-04-06 Amphoteric ion exchanger Granted JPS55134646A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP4181279A JPS55134646A (en) 1979-04-06 1979-04-06 Amphoteric ion exchanger
US06/132,787 US4373096A (en) 1979-04-06 1980-03-24 Crosslinked chitin derivatives
CA000348930A CA1122209A (en) 1979-04-06 1980-04-01 Crosslinked polymeric substance
DE8080301032T DE3061737D1 (en) 1979-04-06 1980-04-01 Crosslinked, carboxyalkylated and deacetylated derivative of chitin, process for preparation thereof, and use thereof as an adsorbent material
EP80301032A EP0018131B1 (en) 1979-04-06 1980-04-01 Crosslinked, carboxyalkylated and deacetylated derivative of chitin, process for preparation thereof, and use thereof as an adsorbent material
DK147880A DK147880A (da) 1979-04-06 1980-04-02 Tvaerbundet polymersubstans adsorbrende materiale omfattende den tvaerbundne substans samt fremgangsmaade til fremstilling af den tvaerbundne substans
US06/390,832 US4493928A (en) 1979-04-06 1982-06-22 Crosslinked chitin derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4181279A JPS55134646A (en) 1979-04-06 1979-04-06 Amphoteric ion exchanger

Publications (2)

Publication Number Publication Date
JPS55134646A JPS55134646A (en) 1980-10-20
JPS6219897B2 true JPS6219897B2 (en:Method) 1987-05-01

Family

ID=12618718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4181279A Granted JPS55134646A (en) 1979-04-06 1979-04-06 Amphoteric ion exchanger

Country Status (6)

Country Link
US (2) US4373096A (en:Method)
EP (1) EP0018131B1 (en:Method)
JP (1) JPS55134646A (en:Method)
CA (1) CA1122209A (en:Method)
DE (1) DE3061737D1 (en:Method)
DK (1) DK147880A (en:Method)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536207A (en) * 1983-07-26 1985-08-20 Igi Biotechnology, Inc. Nematocidally active chitin-protein complex
US4863907A (en) * 1984-06-29 1989-09-05 Seikagaku Kogyo Co., Ltd. Crosslinked glycosaminoglycans and their use
WO1986004586A1 (en) * 1985-02-08 1986-08-14 Igi Biotechnology, Inc. Nematocidally active chitin-protein complex
JPS6270401A (ja) * 1985-09-24 1987-03-31 Fuji Boseki Kk カルボキシアルキルキトサン粒状体の製造方法
SE452469B (sv) * 1986-06-18 1987-11-30 Pharmacia Ab Material bestaende av en tverbunden karboxylgrupphaltig polysackarid och forfarande vid framstellning av detsamma
DE3644097A1 (de) * 1986-12-23 1988-07-07 Wella Ag Kosmetisches mittel auf der basis von chitosan und ampholytischen copolymerisaten sowie ein neues chitosan/polyampholyt-salz
DE3830365C2 (de) * 1988-09-07 1996-06-27 Metallgesellschaft Ag Verwendung von ferritischen Chrom - Molybdän-Stählen als gegen konzentrierte Schwefelsäure beständigem Werkstoff
US5169535A (en) * 1989-09-22 1992-12-08 Kurita Water Industries Ltd. Method of removing endotoxin
CA2072918A1 (en) * 1992-02-14 1993-08-15 Jian Qin Modified 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
US5637681A (en) * 1992-08-19 1997-06-10 Stockel; Richard F. Aminosaccharide biguanides
US5599916A (en) * 1994-12-22 1997-02-04 Kimberly-Clark Corporation Chitosan salts having improved absorbent properties and process for the preparation thereof
US5498705A (en) * 1995-02-22 1996-03-12 Kimberly-Clark Corporation Modified polysaccharides having improved absorbent properties and process for the preparation thereof
AU2712197A (en) * 1996-05-09 1997-11-26 Taisho Pharmaceutical Co., Ltd. Micellar aqueous composition and method for solubilizing hydrophobic drug
KR100477891B1 (ko) * 2002-07-19 2005-03-18 한국화학연구원 다당류를 이용한 키랄성 분리막
FR3016882A1 (fr) 2014-01-30 2015-07-31 Sofradim Production Procede de preparation de chitosane a haut degre d’acetylation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2168375A (en) * 1936-07-09 1939-08-08 Visking Corp Chitin xanthate
DE858696C (de) * 1943-05-13 1952-12-08 Henkel & Cie Gmbh Verfahren zur Herstellung von AEther des Chitosans enthaltenden Erzeugnissen
US3251824A (en) * 1961-08-22 1966-05-17 Fmc Corp Method of preparing stable aqueous dispersion-forming cellulosic aggregates
US4076930A (en) * 1968-12-13 1978-02-28 James Ellingboe Polysaccharide polyols
US4027068A (en) * 1975-09-12 1977-05-31 American Cyanamid Company Use of chitin derivatives in automobile products
JPS596695B2 (ja) * 1976-06-30 1984-02-14 積水化学工業株式会社 吸着剤
US4119619A (en) * 1976-12-16 1978-10-10 Sergei Vasilievich Rogozhin Emulsification method for the processing of kriel to produce protein, lipids and chitin
JPS53161389U (en:Method) * 1977-05-25 1978-12-18
JPS53161391U (en:Method) * 1977-05-26 1978-12-18
US4308377A (en) * 1978-12-29 1981-12-29 Kureha Kagaku Kogyo Kabushiki Kaisha Shaped material comprising denatured chitin and process for preparing same

Also Published As

Publication number Publication date
CA1122209A (en) 1982-04-20
DE3061737D1 (en) 1983-03-03
EP0018131B1 (en) 1983-01-26
US4493928A (en) 1985-01-15
US4373096A (en) 1983-02-08
JPS55134646A (en) 1980-10-20
DK147880A (da) 1980-10-07
EP0018131A1 (en) 1980-10-29

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