DD115657A1 - - Google Patents
Info
- Publication number
- DD115657A1 DD115657A1 DD18065074A DD18065074A DD115657A1 DD 115657 A1 DD115657 A1 DD 115657A1 DD 18065074 A DD18065074 A DD 18065074A DD 18065074 A DD18065074 A DD 18065074A DD 115657 A1 DD115657 A1 DD 115657A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/62—Sulfonated fats, oils or waxes of undetermined constitution
-
- 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)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39082973A | 1973-08-23 | 1973-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD115657A1 true DD115657A1 (en) | 1975-10-12 |
Family
ID=23544103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD18065074A DD115657A1 (en) | 1973-08-23 | 1974-08-21 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT340387B (en) |
| BR (1) | BR7407020D0 (en) |
| CA (1) | CA1011759A (en) |
| DD (1) | DD115657A1 (en) |
| EG (1) | EG11817A (en) |
| GB (1) | GB1478483A (en) |
| RO (1) | RO81277B (en) |
| SU (1) | SU584765A3 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0415081D0 (en) * | 2004-07-05 | 2004-08-04 | Bp Exploration Operating | Method |
| CN101955451A (en) * | 2010-09-03 | 2011-01-26 | 中国石油大学(华东) | Method for preparing petroleum sulfonate surfactant by falling film sulfonation |
| CN103130690B (en) * | 2011-12-02 | 2014-09-17 | 中国科学院大连化学物理研究所 | Method of producing petroleum sulfonate by micro reaction system grading sulfonation |
-
1974
- 1974-06-24 CA CA203,157A patent/CA1011759A/en not_active Expired
- 1974-08-06 SU SU7402051831A patent/SU584765A3/en active
- 1974-08-12 RO RO79741A patent/RO81277B/en unknown
- 1974-08-14 GB GB3578474A patent/GB1478483A/en not_active Expired
- 1974-08-18 EG EG34074A patent/EG11817A/en active
- 1974-08-21 DD DD18065074A patent/DD115657A1/xx unknown
- 1974-08-23 AT AT685274A patent/AT340387B/en active
- 1974-08-23 BR BR702074A patent/BR7407020D0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATA685274A (en) | 1977-04-15 |
| BR7407020D0 (en) | 1975-06-17 |
| SU584765A3 (en) | 1977-12-15 |
| EG11817A (en) | 1977-11-30 |
| CA1011759A (en) | 1977-06-07 |
| RO81277B (en) | 1983-02-28 |
| GB1478483A (en) | 1977-06-29 |
| RO81277A (en) | 1983-02-15 |
| AT340387B (en) | 1977-12-12 |