IT1089863B - Trattamento di gomma di xantano - Google Patents

Trattamento di gomma di xantano

Info

Publication number
IT1089863B
IT1089863B IT50696/77A IT5069677A IT1089863B IT 1089863 B IT1089863 B IT 1089863B IT 50696/77 A IT50696/77 A IT 50696/77A IT 5069677 A IT5069677 A IT 5069677A IT 1089863 B IT1089863 B IT 1089863B
Authority
IT
Italy
Prior art keywords
rubber treatment
xanthane rubber
xanthane
treatment
rubber
Prior art date
Application number
IT50696/77A
Other languages
English (en)
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 IT1089863B publication Critical patent/IT1089863B/it

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Biotechnology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Emergency Medicine (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Jellies, Jams, And Syrups (AREA)
IT50696/77A 1976-08-24 1977-08-17 Trattamento di gomma di xantano IT1089863B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/717,303 US4135979A (en) 1976-08-24 1976-08-24 Treatment of xanthan gum to improve clarity

Publications (1)

Publication Number Publication Date
IT1089863B true IT1089863B (it) 1985-06-18

Family

ID=24881481

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50696/77A IT1089863B (it) 1976-08-24 1977-08-17 Trattamento di gomma di xantano

Country Status (7)

Country Link
US (1) US4135979A (it)
JP (1) JPS603478B2 (it)
CA (1) CA1113870A (it)
DE (1) DE2737989C2 (it)
FR (1) FR2362925A1 (it)
GB (1) GB1528316A (it)
IT (1) IT1089863B (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182860A (en) * 1975-11-10 1980-01-08 Laskin Allen I Modified heteropolysaccharides and their preparation
US4256590A (en) * 1977-05-09 1981-03-17 Exxon Research & Engineering Co. Modified heteropolysaccharides and their preparation
US4263399A (en) * 1979-05-31 1981-04-21 Merck & Co., Inc. High phosphate process for making low calcium, smooth flow xanthan gum
IE50263B1 (en) * 1979-10-29 1986-03-19 Tate & Lyle Patent Holdings Recovery of xanthan gum
US4269974A (en) * 1979-11-14 1981-05-26 Merck & Co., Inc. Clabber-free xanthan gum
US4299825A (en) * 1980-07-03 1981-11-10 Celanese Corporation Concentrated xanthan gum solutions
DE3172841D1 (en) * 1980-09-29 1985-12-12 Shell Int Research Treatment of pseudoplastic polysaccharide solutions
NO158658C (no) * 1981-07-01 1988-10-19 Pfizer Fremgangsmaate for konsentrering av vandige pseudoplastiske loesninger.
DE3230301A1 (de) * 1982-08-14 1984-02-16 Hoechst Ag, 6230 Frankfurt Isolierung mikrobieller polysaccharide aus ihren fettamin-addukten
US4639322A (en) * 1983-11-03 1987-01-27 Pfizer Inc. Biopolymer compositions having enhanced filterability
JPS62201076U (it) * 1986-06-11 1987-12-22
FR2606423B1 (fr) * 1986-11-07 1989-04-14 Sanofi Elf Bio Ind Procede d'obtention d'un xanthane a fort pouvoir epaississant, et applications de ce xanthane
FR2623207B1 (fr) * 1987-11-13 1990-05-18 Inst Francais Du Petrole Procede de purification d'un mout de polysaccharide dans le but d'en accroitre la filtrabilite et utilisation du mout purifie en recuperation assistee du petrole
AT392083B (de) * 1989-05-12 1991-01-25 Jungbunzlauer Ag Verfahren zur gewinnung von durch bakterien der gattung xanthomonas bzw. arthrobacter gebildeten polysacchariden
US5595892A (en) * 1991-12-20 1997-01-21 Shin-Etsu Chemical Co., Ltd. Process for preparation of purified xanthan gum
DE69221841T2 (de) * 1991-12-20 1998-01-22 Shinetsu Bio Inc Verfahren zur Herstellung von gereinigtem Xanthangummi
US5354671A (en) * 1992-06-26 1994-10-11 Shin-Etsu Chemical Co., Ltd. Enzymatic clarification of polysaccharides
JP3228315B2 (ja) * 1993-04-23 2001-11-12 信越化学工業株式会社 キサンタンガムの汚染生菌数を減少させる方法
US6174524B1 (en) 1999-03-26 2001-01-16 Alcon Laboratories, Inc. Gelling ophthalmic compositions containing xanthan gum
US6261547B1 (en) 1998-04-07 2001-07-17 Alcon Manufacturing, Ltd. Gelling ophthalmic compositions containing xanthan gum
GB9816723D0 (en) * 1998-08-01 1998-09-30 Boots Co Plc Therapeutic agents
ES2199873T3 (es) 1999-11-01 2004-03-01 Alcon Inc. Composiciones farmaceuticas que contienen un farmaco antibiotico de fluoroquinolona y goma xantan.
DE60106619T2 (de) 2000-07-28 2005-03-17 Alcon, Inc. Pharmazeutische zusammensetzungen enthaltend tobramycin und xanthangummi
US7638150B2 (en) * 2002-08-02 2009-12-29 Simply Thick Llp Process for preparing concentrate thickener compositions
US6881838B2 (en) * 2002-05-21 2005-04-19 A.E. Staley Manufacturing Company Polysaccharide gum and process for its manufacture
DE602004019187D1 (de) * 2003-01-31 2009-03-12 Simply Thick Llc Verfahren zur herstellung verbesserter angedickter getränke gegen dysphagie
EP2152095B1 (en) * 2007-05-07 2012-08-29 Precision Foods, Inc Food thickening agent, method for producing food thickening agent
BRPI0806003B1 (pt) * 2008-11-07 2020-07-14 Quantas Biotecnologia S.A. Processo de secagem de goma xantana, polissacarídeo base água, em equipamento spray dryer e goma xantana obtida
US9101156B2 (en) 2013-03-15 2015-08-11 Kent Precision Foods Group, Inc. Thickener composition, thickened nutritive products, methods for preparing thickened nutritive products, and methods for providing nutrition
US11751594B2 (en) 2020-10-22 2023-09-12 Grain Processing Corporation Food thickener composition and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775540A (en) * 1950-12-18 1956-12-25 American Sugar Refining Co Production of dextran
US3355447A (en) * 1964-04-28 1967-11-28 Kelco Co Treatment of xanthomonas hydrophilic colloid and resulting product
FR1575756A (it) * 1968-04-29 1969-07-25
US3964972A (en) * 1970-03-02 1976-06-22 John Tinsman Patton Modified heteropolysaccharides
US3773752A (en) * 1971-02-25 1973-11-20 Phillips Petroleum Co Recovery of microbial polysaccharides
US4010071A (en) * 1974-10-10 1977-03-01 Merck & Co., Inc. Clarification of xanthan gum

Also Published As

Publication number Publication date
CA1113870A (en) 1981-12-08
DE2737989A1 (de) 1978-03-02
FR2362925B1 (it) 1983-07-29
DE2737989C2 (de) 1986-08-14
FR2362925A1 (fr) 1978-03-24
JPS5326397A (en) 1978-03-11
US4135979A (en) 1979-01-23
JPS603478B2 (ja) 1985-01-28
GB1528316A (en) 1978-10-11

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