FR2330697A1 - Procede de traitement d'un heteropolysaccharide et son application - Google Patents
Procede de traitement d'un heteropolysaccharide et son applicationInfo
- 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
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)
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
FR (1) | FR2330697A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (3)
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 |
EP0284366A3 (en) * | 1987-03-26 | 1989-04-12 | Ciba Specialty Chemicals Water Treatments Limited | Drying of microbial polysaccharides |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6261547B1 (en) | 1998-04-07 | 2001-07-17 | Alcon Manufacturing, Ltd. | Gelling ophthalmic compositions containing xanthan gum |
US6174524B1 (en) | 1999-03-26 | 2001-01-16 | Alcon Laboratories, Inc. | Gelling ophthalmic compositions containing xanthan gum |
CA2386822A1 (en) | 1999-11-01 | 2001-05-10 | Alcon, Inc. | Pharmaceutical compositions containing a fluoroquinolone antibiotic drug and xanthan gum |
PL199321B1 (pl) | 2000-07-28 | 2008-09-30 | Alcon Inc | Kompozycje farmaceutyczne zawierające tobramycynę i gumę ksantanową |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1575756A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-04-29 | 1969-07-25 | ||
US3773752A (en) * | 1971-02-25 | 1973-11-20 | Phillips Petroleum Co | Recovery of microbial polysaccharides |
-
1976
- 1976-10-28 CA CA264,421A patent/CA1070629A/en not_active Expired
- 1976-11-09 FR FR7633799A patent/FR2330697A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1575756A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-04-29 | 1969-07-25 | ||
US3773752A (en) * | 1971-02-25 | 1973-11-20 | Phillips Petroleum Co | Recovery of microbial polysaccharides |
Cited By (3)
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 |
EP0284366A3 (en) * | 1987-03-26 | 1989-04-12 | Ciba Specialty Chemicals Water Treatments Limited | Drying of microbial polysaccharides |
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 |
---|---|
CA1070629A (en) | 1980-01-29 |
FR2330697B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |