DK167688A - Fremgangsmaade til dehydratisering af vandige polysaccharidoploesninger - Google Patents
Fremgangsmaade til dehydratisering af vandige polysaccharidoploesningerInfo
- Publication number
- DK167688A DK167688A DK167688A DK167688A DK167688A DK 167688 A DK167688 A DK 167688A DK 167688 A DK167688 A DK 167688A DK 167688 A DK167688 A DK 167688A DK 167688 A DK167688 A DK 167688A
- Authority
- DK
- Denmark
- Prior art keywords
- dehydratization
- procedure
- aqueous polysaccharide
- polysaccharide solutions
- solutions
- Prior art date
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)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
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 DK167688D0 (da) | 1988-03-25 |
DK167688A true 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)
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)
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 |
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 |
US4440225A (en) * | 1982-09-13 | 1984-04-03 | Exxon Research And Engineering Co. | Oil recovery using modified heteropolysaccharides in buffered brine |
GB8426529D0 (en) * | 1984-10-19 | 1984-11-28 | Allied Colloids Ltd | Dry polymers |
-
1987
- 1987-03-26 GB GB878707250A patent/GB8707250D0/en active Pending
-
1988
- 1988-03-23 EP EP88302559A patent/EP0284366A3/en not_active Withdrawn
- 1988-03-24 AU AU13565/88A patent/AU620324B2/en not_active Expired - Fee Related
- 1988-03-25 DK DK167688A patent/DK167688A/da not_active IP Right Cessation
- 1988-03-25 NO NO881330A patent/NO881330L/no unknown
Also Published As
Publication number | Publication date |
---|---|
AU620324B2 (en) | 1992-02-20 |
DK167688D0 (da) | 1988-03-25 |
EP0284366A2 (en) | 1988-09-28 |
GB8707250D0 (en) | 1987-04-29 |
EP0284366A3 (en) | 1989-04-12 |
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 |