NL168554B - PROCESS FOR PREPARING A XANTHAN SOLUTION - Google Patents

PROCESS FOR PREPARING A XANTHAN SOLUTION

Info

Publication number
NL168554B
NL168554B NL7708587.A NL7708587A NL168554B NL 168554 B NL168554 B NL 168554B NL 7708587 A NL7708587 A NL 7708587A NL 168554 B NL168554 B NL 168554B
Authority
NL
Netherlands
Prior art keywords
preparing
xanthan solution
xanthan
solution
Prior art date
Application number
NL7708587.A
Other languages
Dutch (nl)
Other versions
NL7708587A (en
Original Assignee
Pfizer
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 filed Critical Pfizer
Publication of NL7708587A publication Critical patent/NL7708587A/en
Publication of NL168554B publication Critical patent/NL168554B/en

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)
  • Peptides Or Proteins (AREA)
  • Colloid Chemistry (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
NL7708587.A 1976-08-05 1977-08-03 PROCESS FOR PREPARING A XANTHAN SOLUTION NL168554B (en)

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
NL7708587A NL7708587A (en) 1978-02-07
NL168554B true NL168554B (en) 1981-11-16

Family

ID=27108715

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7708587.A NL168554B (en) 1976-08-05 1977-08-03 PROCESS FOR PREPARING A XANTHAN SOLUTION

Country Status (13)

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

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 (en) * 1978-11-06 1980-05-08 Pfizer METHOD FOR PREPARING A MOTION CONTROLLING SOLUTION FOR USE IN OIL EXTRACTION
FR2442955A1 (en) * 1978-12-01 1980-06-27 Ceca Sa IMPROVEMENTS TO ASSISTED OIL RECOVERY
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 (en) * 1995-04-05 1996-07-11 Preussag En Gmbh Flooding agent used to recover oil and natural gas from underground deposits

Family Cites Families (1)

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

Also Published As

Publication number Publication date
IE45543B1 (en) 1982-09-22
NO150965C (en) 1985-01-16
NO150965B (en) 1984-10-08
NO772654L (en) 1978-02-07
FR2360665B1 (en) 1982-07-09
GB1531970A (en) 1978-11-15
BR7705160A (en) 1978-04-25
IT1080085B (en) 1985-05-16
DE2734364A1 (en) 1978-02-09
DE2734364C2 (en) 1982-12-02
EG12843A (en) 1980-03-31
NL7708587A (en) 1978-02-07
FR2360665A1 (en) 1978-03-03
ES461344A1 (en) 1978-12-01
CA1094479A (en) 1981-01-27
IL52609A (en) 1980-06-30
IL52609A0 (en) 1977-10-31
IE45543L (en) 1978-02-05
SU959634A3 (en) 1982-09-15

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Legal Events

Date Code Title Description
R1B Notice of opposition during period of laying open
A85 Still pending on 85-01-01
R2W Refused after publication