IT1092203B - Gomma biologica facilmente disperdibile - Google Patents

Gomma biologica facilmente disperdibile

Info

Publication number
IT1092203B
IT1092203B IT51770/77A IT5177077A IT1092203B IT 1092203 B IT1092203 B IT 1092203B IT 51770/77 A IT51770/77 A IT 51770/77A IT 5177077 A IT5177077 A IT 5177077A IT 1092203 B IT1092203 B IT 1092203B
Authority
IT
Italy
Prior art keywords
organic rubber
easily disposable
disposable organic
rubber
organic
Prior art date
Application number
IT51770/77A
Other languages
English (en)
Italian (it)
Original Assignee
Merck & Co Inc
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 Merck & Co Inc filed Critical Merck & Co Inc
Application granted granted Critical
Publication of IT1092203B publication Critical patent/IT1092203B/it

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
    • C08B37/0033—Xanthan, i.e. D-glucose, D-mannose and D-glucuronic acid units, saubstituted with acetate and pyruvate, with a main chain of (beta-1,4)-D-glucose units; Derivatives thereof
    • 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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • C12P19/06—Xanthan, i.e. Xanthomonas-type heteropolysaccharides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Emergency Medicine (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
IT51770/77A 1976-11-22 1977-11-10 Gomma biologica facilmente disperdibile IT1092203B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74354176A 1976-11-22 1976-11-22

Publications (1)

Publication Number Publication Date
IT1092203B true IT1092203B (it) 1985-07-06

Family

ID=24989185

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51770/77A IT1092203B (it) 1976-11-22 1977-11-10 Gomma biologica facilmente disperdibile

Country Status (8)

Country Link
JP (1) JPS5366496A (show.php)
CA (1) CA1095513A (show.php)
DE (1) DE2751590C2 (show.php)
FR (1) FR2371462A1 (show.php)
GB (1) GB1547030A (show.php)
HK (1) HK48581A (show.php)
IT (1) IT1092203B (show.php)
KE (1) KE3159A (show.php)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7907884A (nl) * 1978-11-06 1980-05-08 Pfizer Werkwijze voor de bereiding van een de beweeglijkheid regelende oplossing ten gebruike bij het winnen van olie.
US4363669A (en) 1979-12-05 1982-12-14 Merck & Co., Inc. Dispersible xanthan gum blends
JPS643984A (en) * 1987-06-25 1989-01-09 Sekisui Chemical Co Ltd Illumination system
US5082579A (en) * 1990-01-16 1992-01-21 Bj Services Company Method and composition for delaying the gellation of borated galactomannans
FR2805267B1 (fr) * 2000-02-18 2002-05-03 Rhodia Food S A S Biopolymere dispersable et a hydratation rapide
EP1276772A2 (en) * 2000-04-28 2003-01-22 CP Kelco APS Process for treating xanthan gums with glyoxal and xanthan products produced thereby
GB2423252B (en) * 2005-02-18 2007-10-17 Engelhard Lyon Cross-linked polymer of carbohydrate, notably based on polysaccharides, and/or on oligosaccharides and/or on polyols

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE634296A (show.php) 1960-05-27
US3256271A (en) 1963-06-26 1966-06-14 Kelco Co Method of improving viscosity characteristics of xanthomonas hydrophilic colloids and esters produced thereby
US3933788A (en) 1971-11-11 1976-01-20 Kelco Company Polysaccharide and bacterial fermentation process for its preparation
US3960832A (en) 1973-10-05 1976-06-01 Kenneth Suk Kang Polysaccharide and bacterial fermentation process for its preparation

Also Published As

Publication number Publication date
FR2371462A1 (fr) 1978-06-16
HK48581A (en) 1981-10-16
JPS5366496A (en) 1978-06-13
DE2751590A1 (de) 1978-05-24
FR2371462B1 (show.php) 1982-11-19
KE3159A (en) 1981-09-25
DE2751590C2 (de) 1987-03-05
GB1547030A (en) 1979-06-06
JPS6161800B2 (show.php) 1986-12-27
CA1095513A (en) 1981-02-10

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