FR2330697A1 - Procede de traitement d'un heteropolysaccharide et son application - Google Patents

Procede de traitement d'un heteropolysaccharide et son application

Info

Publication number
FR2330697A1
FR2330697A1 FR7633799A FR7633799A FR2330697A1 FR 2330697 A1 FR2330697 A1 FR 2330697A1 FR 7633799 A FR7633799 A FR 7633799A FR 7633799 A FR7633799 A FR 7633799A FR 2330697 A1 FR2330697 A1 FR 2330697A1
Authority
FR
France
Prior art keywords
soln
heat
xanthomonas
treating
solns
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.)
Granted
Application number
FR7633799A
Other languages
English (en)
Other versions
FR2330697B1 (fr
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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 Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of FR2330697A1 publication Critical patent/FR2330697A1/fr
Application granted granted Critical
Publication of FR2330697B1 publication Critical patent/FR2330697B1/fr
Granted legal-status Critical Current

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
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Emergency Medicine (AREA)
  • Molecular Biology (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FR7633799A 1975-11-10 1976-11-09 Procede de traitement d'un heteropolysaccharide et son application Granted FR2330697A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63046875A 1975-11-10 1975-11-10

Publications (2)

Publication Number Publication Date
FR2330697A1 true FR2330697A1 (fr) 1977-06-03
FR2330697B1 FR2330697B1 (fr) 1981-05-22

Family

ID=24527297

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7633799A Granted FR2330697A1 (fr) 1975-11-10 1976-11-09 Procede de traitement d'un heteropolysaccharide et son application

Country Status (2)

Country Link
CA (1) CA1070629A (fr)
FR (1) FR2330697A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2440992A1 (fr) * 1978-11-06 1980-06-06 Pfizer Procede de traitement d'un bouillon de fermentation de xanthomonas en vue de son utilisation pour le deplacement du petrole de gisements partiellement epuises
EP0284366A2 (fr) * 1987-03-26 1988-09-28 Ciba Specialty Chemicals Water Treatments Limited Séchage de polysaccharides microbiens
FR2621926A1 (fr) * 1987-10-20 1989-04-21 Inst Francais Du Petrole Procede de traitement d'un mout de fermentation renfermant un polysaccharide dans le but d'en accroitre la filtrabilite et utilisation de ce mout en recuperation assistee du petrole

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2001032181A2 (fr) 1999-11-01 2001-05-10 Alcon Universal Ltd. Compositions pharmaceutiques contenant un medicament antibiotique de fluoroquinolone et une gomme xanthan
ES2225573T3 (es) 2000-07-28 2005-03-16 Alcon, Inc Composiciones farmaceuticas que contienen tobramicina y goma xantana.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1575756A (fr) * 1968-04-29 1969-07-25
US3773752A (en) * 1971-02-25 1973-11-20 Phillips Petroleum Co Recovery of microbial polysaccharides

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1575756A (fr) * 1968-04-29 1969-07-25
US3773752A (en) * 1971-02-25 1973-11-20 Phillips Petroleum Co Recovery of microbial polysaccharides

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2440992A1 (fr) * 1978-11-06 1980-06-06 Pfizer Procede de traitement d'un bouillon de fermentation de xanthomonas en vue de son utilisation pour le deplacement du petrole de gisements partiellement epuises
EP0284366A2 (fr) * 1987-03-26 1988-09-28 Ciba Specialty Chemicals Water Treatments Limited Séchage de polysaccharides microbiens
EP0284366A3 (fr) * 1987-03-26 1989-04-12 Ciba Specialty Chemicals Water Treatments Limited Séchage de polysaccharides microbiens
FR2621926A1 (fr) * 1987-10-20 1989-04-21 Inst Francais Du Petrole Procede de traitement d'un mout de fermentation renfermant un polysaccharide dans le but d'en accroitre la filtrabilite et utilisation de ce mout en recuperation assistee du petrole

Also Published As

Publication number Publication date
FR2330697B1 (fr) 1981-05-22
CA1070629A (fr) 1980-01-29

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Legal Events

Date Code Title Description
ST Notification of lapse