FR2360665B1 - - Google Patents

Info

Publication number
FR2360665B1
FR2360665B1 FR7724107A FR7724107A FR2360665B1 FR 2360665 B1 FR2360665 B1 FR 2360665B1 FR 7724107 A FR7724107 A FR 7724107A FR 7724107 A FR7724107 A FR 7724107A FR 2360665 B1 FR2360665 B1 FR 2360665B1
Authority
FR
France
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
Application number
FR7724107A
Other languages
French (fr)
Other versions
FR2360665A1 (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.)
Pfizer Inc
Original Assignee
Pfizer 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
Priority claimed from US05/793,274 external-priority patent/US4119546A/en
Application filed by Pfizer Inc filed Critical Pfizer Inc
Publication of FR2360665A1 publication Critical patent/FR2360665A1/fr
Application granted granted Critical
Publication of FR2360665B1 publication Critical patent/FR2360665B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/84—Compositions based on water or polar solvents
    • C09K8/86—Compositions based on water or polar solvents containing organic compounds
    • C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
    • C09K8/90—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
    • C09K8/905—Biopolymers
    • 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)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Biochemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Microbiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Genetics & Genomics (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Colloid Chemistry (AREA)
  • Peptides Or Proteins (AREA)
FR7724107A 1976-08-05 1977-08-04 Procede pour produire un colloide hydrophile du a xanthomonas et son application au deplacement du petrole de reservoirs partiellement epuises Granted FR2360665A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71184376A 1976-08-05 1976-08-05
US05/793,274 US4119546A (en) 1976-08-05 1977-05-03 Process for producing Xanthomonas hydrophilic colloid, product resulting therefrom, and use thereof in displacement of oil from partially depleted reservoirs

Publications (2)

Publication Number Publication Date
FR2360665A1 FR2360665A1 (fr) 1978-03-03
FR2360665B1 true FR2360665B1 (ja) 1982-07-09

Family

ID=27108715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7724107A Granted FR2360665A1 (fr) 1976-08-05 1977-08-04 Procede pour produire un colloide hydrophile du a xanthomonas et son application au deplacement du petrole de reservoirs partiellement epuises

Country Status (13)

Country Link
BR (1) BR7705160A (ja)
CA (1) CA1094479A (ja)
DE (1) DE2734364C2 (ja)
EG (1) EG12843A (ja)
ES (1) ES461344A1 (ja)
FR (1) FR2360665A1 (ja)
GB (1) GB1531970A (ja)
IE (1) IE45543B1 (ja)
IL (1) IL52609A (ja)
IT (1) IT1080085B (ja)
NL (1) NL168554B (ja)
NO (1) NO150965C (ja)
SU (1) SU959634A3 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353805A (en) 1978-12-01 1982-10-12 Ceca S.A. Enhanced oil recovery

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT69430A (en) * 1978-04-13 1979-05-01 Merck & Co Inc Process for preparing a xanthan gum with low calcium content
US4265673A (en) 1978-06-23 1981-05-05 Talres Development (N.A.) N.V. Polymer solutions for use in oil recovery containing a complexing agent for multivalentions
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.
US4263399A (en) * 1979-05-31 1981-04-21 Merck & Co., Inc. High phosphate process for making low calcium, smooth flow xanthan gum
CA1153971A (en) * 1980-07-14 1983-09-20 Standard Oil Company Semi-continuous method for production of xanthan gum using xanthomonas campestris atcc 31601
DE19512731C1 (de) * 1995-04-05 1996-07-11 Preussag En Gmbh Flutmittel zur Entölung von Erdöllagerstätten sowie Verfahren zur Verbesserung der Produktivität bei der Gewinnung von Erdöl oder Erdgas

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD121954A1 (ja) * 1975-09-05 1976-09-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353805A (en) 1978-12-01 1982-10-12 Ceca S.A. Enhanced oil recovery

Also Published As

Publication number Publication date
IE45543L (en) 1978-02-05
NL168554B (nl) 1981-11-16
CA1094479A (en) 1981-01-27
NO772654L (no) 1978-02-07
DE2734364C2 (de) 1982-12-02
EG12843A (en) 1980-03-31
IL52609A (en) 1980-06-30
IL52609A0 (en) 1977-10-31
GB1531970A (en) 1978-11-15
NO150965C (no) 1985-01-16
IE45543B1 (en) 1982-09-22
BR7705160A (pt) 1978-04-25
NL7708587A (nl) 1978-02-07
FR2360665A1 (fr) 1978-03-03
ES461344A1 (es) 1978-12-01
SU959634A3 (ru) 1982-09-15
DE2734364A1 (de) 1978-02-09
IT1080085B (it) 1985-05-16
NO150965B (no) 1984-10-08

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Legal Events

Date Code Title Description
ST Notification of lapse