JPS6144082B2 - - Google Patents
Info
- Publication number
- JPS6144082B2 JPS6144082B2 JP53161391A JP16139178A JPS6144082B2 JP S6144082 B2 JPS6144082 B2 JP S6144082B2 JP 53161391 A JP53161391 A JP 53161391A JP 16139178 A JP16139178 A JP 16139178A JP S6144082 B2 JPS6144082 B2 JP S6144082B2
- Authority
- JP
- Japan
- Prior art keywords
- chitin
- aqueous solution
- alkaline aqueous
- carried out
- reaction
- 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
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
- C08B37/0006—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)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16139178A JPS5590505A (en) | 1978-12-29 | 1978-12-29 | Carboxyalkylchitin and preparation of deacetylated product thereof |
US06/104,399 US4304905A (en) | 1978-12-29 | 1979-12-17 | Method for preparing a carboxyalkylated chitin and a derivative thereof |
AU54092/79A AU516027B2 (en) | 1978-12-29 | 1979-12-20 | Carboxyalkylated chitin and derivative |
CA000342462A CA1118771A (en) | 1978-12-29 | 1979-12-21 | Method for preparing a carboxylakylated chitin and a derivative thereof |
EP79303066A EP0013512B1 (en) | 1978-12-29 | 1979-12-28 | Methods for preparing a carboxyalkylated chitin and a de-acetylated derivative thereof |
DE7979303066T DE2963555D1 (en) | 1978-12-29 | 1979-12-28 | Methods for preparing a carboxyalkylated chitin and a de-acetylated derivative thereof |
DK2180A DK2180A (da) | 1978-12-29 | 1980-01-02 | Fremgangsmaade til fremstilling af carboxylkyleret chitin og et derivat deraf |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16139178A JPS5590505A (en) | 1978-12-29 | 1978-12-29 | Carboxyalkylchitin and preparation of deacetylated product thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5590505A JPS5590505A (en) | 1980-07-09 |
JPS6144082B2 true JPS6144082B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-10-01 |
Family
ID=15734193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16139178A Granted JPS5590505A (en) | 1978-12-29 | 1978-12-29 | Carboxyalkylchitin and preparation of deacetylated product thereof |
Country Status (7)
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4424346A (en) | 1981-06-04 | 1984-01-03 | Canadian Patents And Development Ltd. | Derivatives of chitins, chitosans and other polysaccharides |
JPS59106409A (ja) * | 1982-12-08 | 1984-06-20 | Ichimaru Fuarukosu Kk | キチン化合物含有化粧料 |
JPH0649726B2 (ja) * | 1984-11-14 | 1994-06-29 | ライオン株式会社 | アニオン性キトサン誘導体の製造方法 |
US4619995A (en) * | 1984-12-24 | 1986-10-28 | Nova Chem Limited | N,O-carboxymethyl chitosan and preparative method therefor |
IT1219942B (it) * | 1988-05-13 | 1990-05-24 | Fidia Farmaceutici | Esteri polisaccaridici |
US5077052A (en) * | 1988-11-30 | 1991-12-31 | Rhone-Poulenc Sante | Chitosan derivatives useful in compositions for coating feedstuff additives intended for ruminants |
GB9023701D0 (en) | 1990-10-31 | 1990-12-12 | Efamol Holdings | Medical treatment |
JP4119482B2 (ja) * | 1996-05-09 | 2008-07-16 | 日本水産株式会社 | 親水性置換基としてカルボキシル低級アルキル基および疎水性置換基を有するキチン誘導体、当該キチン誘導体からなる高分子ミセル型担体およびそのミセル様水性組成物 |
DE19725037B4 (de) * | 1997-06-13 | 2004-08-05 | Cognis Deutschland Gmbh & Co. Kg | Chitinderivate, Verfahren zu deren Herstellung und deren Verwendung |
KR19980072168A (ko) * | 1998-07-28 | 1998-10-26 | 한상문 | 무색 투명의 고점도 6-오-카르복시메틸-키틴 용액 및 백색 6-오-카르복시메틸-키틴 분말의 제조방법 |
RU2185387C2 (ru) * | 2000-06-20 | 2002-07-20 | Алтайский государственный медицинский университет | Способ получения карбоксиметилхитозана |
CN104725530A (zh) * | 2014-09-11 | 2015-06-24 | 迪沙药业集团有限公司 | O-羧化甲壳素的制备方法 |
CN110656140A (zh) * | 2019-10-14 | 2020-01-07 | 南京工业大学 | 一种碱冻融体系预处理几丁质提高几丁质降解率的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE455503A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | ||||
BE453979A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | ||||
US2040879A (en) * | 1934-06-21 | 1936-05-19 | Du Pont | Substantially undegraded deacetylated chitin and process for producing the same |
US2072771A (en) * | 1936-05-11 | 1937-03-02 | Du Pont | Chemical products and process of preparing the same |
US2670329A (en) * | 1950-08-03 | 1954-02-23 | Phillips Petroleum Co | Drilling muds and methods of using same |
US2842049A (en) * | 1954-09-22 | 1958-07-08 | Technicolor Corp | Deacetylated chitin mordant |
US3251824A (en) * | 1961-08-22 | 1966-05-17 | Fmc Corp | Method of preparing stable aqueous dispersion-forming cellulosic aggregates |
US4027068A (en) * | 1975-09-12 | 1977-05-31 | American Cyanamid Company | Use of chitin derivatives in automobile products |
JPS5359700A (en) * | 1976-11-10 | 1978-05-29 | Nihon Tennen Gas Kogyo Co Ltd | Production of chitosan |
US4195175A (en) * | 1978-01-03 | 1980-03-25 | Johnson Edwin L | Process for the manufacture of chitosan |
JPS5643301A (en) * | 1979-09-18 | 1981-04-22 | Kureha Chem Ind Co Ltd | Chitinoid molding material |
-
1978
- 1978-12-29 JP JP16139178A patent/JPS5590505A/ja active Granted
-
1979
- 1979-12-17 US US06/104,399 patent/US4304905A/en not_active Expired - Lifetime
- 1979-12-20 AU AU54092/79A patent/AU516027B2/en not_active Ceased
- 1979-12-21 CA CA000342462A patent/CA1118771A/en not_active Expired
- 1979-12-28 DE DE7979303066T patent/DE2963555D1/de not_active Expired
- 1979-12-28 EP EP79303066A patent/EP0013512B1/en not_active Expired
-
1980
- 1980-01-02 DK DK2180A patent/DK2180A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA1118771A (en) | 1982-02-23 |
DK2180A (da) | 1980-06-30 |
US4304905A (en) | 1981-12-08 |
AU516027B2 (en) | 1981-05-14 |
AU5409279A (en) | 1980-07-03 |
EP0013512A1 (en) | 1980-07-23 |
JPS5590505A (en) | 1980-07-09 |
DE2963555D1 (en) | 1982-10-07 |
EP0013512B1 (en) | 1982-08-11 |
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