DE69907104D1 - Verfahren zur Herstellung von Polyguluronsäuren - Google Patents

Verfahren zur Herstellung von Polyguluronsäuren

Info

Publication number
DE69907104D1
DE69907104D1 DE69907104T DE69907104T DE69907104D1 DE 69907104 D1 DE69907104 D1 DE 69907104D1 DE 69907104 T DE69907104 T DE 69907104T DE 69907104 T DE69907104 T DE 69907104T DE 69907104 D1 DE69907104 D1 DE 69907104D1
Authority
DE
Germany
Prior art keywords
aqueous solution
polyguluronic acids
alginic acid
acidic conditions
under acidic
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 - Fee Related
Application number
DE69907104T
Other languages
English (en)
Other versions
DE69907104T2 (de
Inventor
William Alan Marritt
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of DE69907104D1 publication Critical patent/DE69907104D1/de
Application granted granted Critical
Publication of DE69907104T2 publication Critical patent/DE69907104T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H7/00—Compounds containing non-saccharide radicals linked to saccharide radicals by a carbon-to-carbon bond
    • C07H7/02—Acyclic radicals
    • C07H7/033—Uronic acids
    • 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
    • C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
    • C08B37/0084—Guluromannuronans, e.g. alginic acid, i.e. D-mannuronic acid and D-guluronic acid units linked with alternating alpha- and beta-1,4-glycosidic bonds; Derivatives thereof, e.g. alginates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Saccharide Compounds (AREA)
DE69907104T 1998-07-21 1999-07-20 Verfahren zur Herstellung von Polyguluronsäuren Expired - Fee Related DE69907104T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20502598A JP3932679B2 (ja) 1998-07-21 1998-07-21 ポリグルロン酸の製造法

Publications (2)

Publication Number Publication Date
DE69907104D1 true DE69907104D1 (de) 2003-05-28
DE69907104T2 DE69907104T2 (de) 2003-10-30

Family

ID=16500206

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69907104T Expired - Fee Related DE69907104T2 (de) 1998-07-21 1999-07-20 Verfahren zur Herstellung von Polyguluronsäuren

Country Status (5)

Country Link
US (1) US6770756B1 (de)
EP (1) EP0987272B1 (de)
JP (1) JP3932679B2 (de)
AT (1) ATE238324T1 (de)
DE (1) DE69907104T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2840305B1 (fr) * 2002-05-29 2005-08-19 Ct D Etude Et De Valorisation Procedes d'obtention d'oligo-mannuronates et guluronates, les produits obtenus et leurs utilisations
US7195666B2 (en) * 2002-07-30 2007-03-27 Seiko Epson Corporation Polyuronic acid derivative and aqueous ink composition polyuronic acid derivative
GB2430881B (en) 2005-10-06 2010-10-13 Ntnu Technology Transfer As Oligoelectrolyte polyols for the treatment of mucosal hyperviscosity
GB0707096D0 (en) 2007-04-12 2007-05-23 Ntnu Technology Transfer As Method
GB0904942D0 (en) 2009-03-23 2009-05-06 Ntnu Technology Transfer As Composition
GB0904941D0 (en) 2009-03-23 2009-05-06 Ntnu Technology Transfer As Composition
JP2011241154A (ja) * 2010-05-14 2011-12-01 Tokuyama Dental Corp アルギン酸類含有水性組成物
JP2012121963A (ja) * 2010-12-07 2012-06-28 Meiji Univ ポリグルロン酸の製造方法、ポリマンヌロン酸の製造方法、ポリグルロン酸、及びポリマンヌロン酸
JP6128545B2 (ja) * 2012-11-13 2017-05-17 花王株式会社 容器
JP2016111957A (ja) * 2014-12-12 2016-06-23 伊那食品工業株式会社 多糖類水溶液の製造方法、それによって得られた多糖類水溶液及び多糖類水溶液を含む食品

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE612782A (de) * 1961-01-18
DE3228231A1 (de) 1982-07-28 1984-02-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Arzneimittel, calciummischsalze von polymeren, anionischen carbonsaeuren und/oder schwefelsaeureestern, verfahren zu ihrer herstellung und ihre verwendung
JPH06217774A (ja) * 1992-12-04 1994-08-09 Kibun Food Chemifa Co Ltd 新規アルギン酸分解酵素、その製造方法およびこれを用いたポリマンヌロン酸の製造方法
JP3239305B2 (ja) * 1994-02-01 2001-12-17 富士写真フイルム株式会社 熱現像カラー感光材料およびその製造方法

Also Published As

Publication number Publication date
DE69907104T2 (de) 2003-10-30
EP0987272A1 (de) 2000-03-22
EP0987272B1 (de) 2003-04-23
JP2000034302A (ja) 2000-02-02
JP3932679B2 (ja) 2007-06-20
ATE238324T1 (de) 2003-05-15
US6770756B1 (en) 2004-08-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee