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DK167688D0 - Fremgangsmaade til dehydratisering af vandige polysaccharidoploesninger - Google Patents

Fremgangsmaade til dehydratisering af vandige polysaccharidoploesninger

Info

Publication number
DK167688D0
DK167688D0 DK167688A DK167688A DK167688D0 DK 167688 D0 DK167688 D0 DK 167688D0 DK 167688 A DK167688 A DK 167688A DK 167688 A DK167688 A DK 167688A DK 167688 D0 DK167688 D0 DK 167688D0
Authority
DK
Denmark
Prior art keywords
dehydratization
procedure
aqueous polysaccharide
polysaccharide solutions
solutions
Prior art date
Application number
DK167688A
Other languages
English (en)
Other versions
DK167688A (da
Inventor
David Farrar
Peter Flesher
Kenneth Symes
Original Assignee
Allied Colloids Ltd
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 Allied Colloids Ltd filed Critical Allied Colloids Ltd
Publication of DK167688D0 publication Critical patent/DK167688D0/da
Publication of DK167688A publication Critical patent/DK167688A/da

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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
DK167688A 1987-03-26 1988-03-25 Fremgangsmaade til dehydratisering af vandige polysaccharidoploesninger DK167688A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878707250A GB8707250D0 (en) 1987-03-26 1987-03-26 Polysaccharides

Publications (2)

Publication Number Publication Date
DK167688D0 true DK167688D0 (da) 1988-03-25
DK167688A DK167688A (da) 1988-09-27

Family

ID=10614701

Family Applications (1)

Application Number Title Priority Date Filing Date
DK167688A DK167688A (da) 1987-03-26 1988-03-25 Fremgangsmaade til dehydratisering af vandige polysaccharidoploesninger

Country Status (5)

Country Link
EP (1) EP0284366A3 (da)
AU (1) AU620324B2 (da)
DK (1) DK167688A (da)
GB (1) GB8707250D0 (da)
NO (1) NO881330L (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8707251D0 (en) * 1987-03-26 1987-04-29 Allied Colloids Ltd Polysaccharides
US5076363A (en) * 1989-01-31 1991-12-31 The Standard Oil Company Surfactant-polymer composition and method of enhanced oil recovery

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3096293A (en) * 1959-12-30 1963-07-02 Allene R Jeanes Method of increasing the viscosity of an aqueous solution of a deacetylated polysaccharide
CA1070629A (en) * 1975-11-10 1980-01-29 Allen I. Laskin Process for modifying biopolymers
US4440225A (en) * 1982-09-13 1984-04-03 Exxon Research And Engineering Co. Oil recovery using modified heteropolysaccharides in buffered brine
NO833264L (no) * 1982-09-13 1984-03-14 Exxon Research Engineering Co Fremgangsmaate for fremstilling av modifiserte heteropolysakkarider i buffret saltopploesning og deres anvendelse for oljeutvinning
GB8426529D0 (en) * 1984-10-19 1984-11-28 Allied Colloids Ltd Dry polymers

Also Published As

Publication number Publication date
GB8707250D0 (en) 1987-04-29
EP0284366A2 (en) 1988-09-28
AU620324B2 (en) 1992-02-20
EP0284366A3 (en) 1989-04-12
DK167688A (da) 1988-09-27
AU1356588A (en) 1988-09-29
NO881330L (no) 1988-09-27
NO881330D0 (no) 1988-03-25

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment
B1 Patent granted (law 1993)
PBP Patent lapsed