NO904131D0 - Fremgangsmaate for fremstilling av kuldestabile alkanolisk-vandige opploesninger av polyetersulfonater. - Google Patents
Fremgangsmaate for fremstilling av kuldestabile alkanolisk-vandige opploesninger av polyetersulfonater.Info
- Publication number
- NO904131D0 NO904131D0 NO904131A NO904131A NO904131D0 NO 904131 D0 NO904131 D0 NO 904131D0 NO 904131 A NO904131 A NO 904131A NO 904131 A NO904131 A NO 904131A NO 904131 D0 NO904131 D0 NO 904131D0
- Authority
- NO
- Norway
- Prior art keywords
- polyeter
- alkanolic
- sulphonates
- procedure
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/32—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids
-
- 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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/584—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3931840A DE3931840A1 (de) | 1989-09-23 | 1989-09-23 | Verfahren zur herstellung kaeltestabiler alkanolisch-waessriger loesungen von polyethersulfonaten |
Publications (4)
Publication Number | Publication Date |
---|---|
NO904131D0 true NO904131D0 (no) | 1990-09-21 |
NO904131L NO904131L (no) | 1991-03-25 |
NO171062B NO171062B (no) | 1992-10-12 |
NO171062C NO171062C (no) | 1993-01-20 |
Family
ID=6390069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO904131A NO171062C (no) | 1989-09-23 | 1990-09-21 | Fremgangsmaate for fremstilling av kuldestabile alkanolisk-vandige opploesninger av polyetersulfonater |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0419954B1 (no) |
DE (2) | DE3931840A1 (no) |
NO (1) | NO171062C (no) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1077700A (en) * | 1976-06-01 | 1980-05-20 | Melvin E. Tuvell | Alkyl glyceryl ether sulfonate salts in oil recovery |
DE3346676A1 (de) * | 1983-02-17 | 1984-08-23 | Hoechst Ag, 6230 Frankfurt | Tributylphenol-ethersulfonate, deren verwendung und verfahren zur herstellung von ethersulfonaten |
CA1236482A (en) * | 1984-03-16 | 1988-05-10 | Werner A. Lidy | Preparation of sulphonates |
GB8515225D0 (en) * | 1985-06-15 | 1985-07-17 | British Nuclear Fuels Plc | Preparation of surfactants |
DE3622439A1 (de) * | 1986-07-04 | 1988-01-07 | Henkel Kgaa | Haarbehandlungsmittel |
-
1989
- 1989-09-23 DE DE3931840A patent/DE3931840A1/de not_active Withdrawn
-
1990
- 1990-09-13 EP EP90117618A patent/EP0419954B1/de not_active Expired - Lifetime
- 1990-09-13 DE DE9090117618T patent/DE59000542D1/de not_active Expired - Fee Related
- 1990-09-21 NO NO904131A patent/NO171062C/no unknown
Also Published As
Publication number | Publication date |
---|---|
DE59000542D1 (de) | 1993-01-14 |
NO904131L (no) | 1991-03-25 |
NO171062B (no) | 1992-10-12 |
EP0419954A1 (de) | 1991-04-03 |
DE3931840A1 (de) | 1991-04-04 |
NO171062C (no) | 1993-01-20 |
EP0419954B1 (de) | 1992-12-02 |
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