ES461344A1 - Un procedimiento para preparar un caldo de fermentacion que contiene el coloide xanthomonas. - Google Patents

Un procedimiento para preparar un caldo de fermentacion que contiene el coloide xanthomonas.

Info

Publication number
ES461344A1
ES461344A1 ES461344A ES461344A ES461344A1 ES 461344 A1 ES461344 A1 ES 461344A1 ES 461344 A ES461344 A ES 461344A ES 461344 A ES461344 A ES 461344A ES 461344 A1 ES461344 A1 ES 461344A1
Authority
ES
Spain
Prior art keywords
approximately
xanthomonas
per million
displacement
oil
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.)
Expired
Application number
ES461344A
Other languages
English (en)
Spanish (es)
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 ES461344A1 publication Critical patent/ES461344A1/es
Expired 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)
ES461344A 1976-08-05 1977-08-04 Un procedimiento para preparar un caldo de fermentacion que contiene el coloide xanthomonas. Expired ES461344A1 (es)

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 (1)

Publication Number Publication Date
ES461344A1 true ES461344A1 (es) 1978-12-01

Family

ID=27108715

Family Applications (1)

Application Number Title Priority Date Filing Date
ES461344A Expired ES461344A1 (es) 1976-08-05 1977-08-04 Un procedimiento para preparar un caldo de fermentacion que contiene el coloide xanthomonas.

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)

Families Citing this family (7)

* 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.
FR2442955A1 (fr) * 1978-12-01 1980-06-27 Ceca Sa Perfectionnements a la recuperation assistee du petrole
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

Also Published As

Publication number Publication date
CA1094479A (en) 1981-01-27
NO772654L (no) 1978-02-07
IE45543B1 (en) 1982-09-22
NO150965B (no) 1984-10-08
FR2360665A1 (fr) 1978-03-03
GB1531970A (en) 1978-11-15
IT1080085B (it) 1985-05-16
DE2734364A1 (de) 1978-02-09
IL52609A (en) 1980-06-30
NL7708587A (nl) 1978-02-07
NL168554B (nl) 1981-11-16
SU959634A3 (ru) 1982-09-15
FR2360665B1 (ja) 1982-07-09
EG12843A (en) 1980-03-31
BR7705160A (pt) 1978-04-25
NO150965C (no) 1985-01-16
DE2734364C2 (de) 1982-12-02
IE45543L (en) 1978-02-05
IL52609A0 (en) 1977-10-31

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19981103