US2708185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent compositions
Assignee: Scottish Oils Ltd
•
Filing: 1949-09-09
•
Granted: 1955-05-10
•
Expires: 1969-09-09
Abstract
No abstract record available.
Inventors
- 👤 Stewart Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:56
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/25; A61K8/30; A61K8/46; A61K8/463; A61Q; A61Q19/00; A61Q19/10; C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROCESS FOR THE PRODUCTION OF A DETERGENT COMPOSITION SUITABLE FOR THE REMOVAL OF OIL MATERIAL FROM SURFACES AND PARTICALLY FOR THE REMOVAL OF MINERAL OIL AND SLUDGES FROM THE HANDS AND OTHER PARTS OF THE BODY, WHICH COMPRISES SULPHATING A SHALE OIL DISTILLATION FRACTION BOILING WITHIN THE APPROXIMATE RANGE 270* C., 360* C. WITH STRONG SULPHURIC ACID IN AN AMOUNT CONSTITUTING 10-20% BY VOLUME OF SAID DISTILLATION FRACTION, NEUTRALISING THE PRODUCT WITH AN ALKALI METAL BASE TO PRODUCE ALKALI METAL ALKYL SULPHATES OF LOW SOLUBILITY IN WATER AND ADMIXING THE SAID ALKALI METAL ALYKL SULPHATES WITH KIESELGUHR AS A FILLER.
Claim 2
Dependent Claim
101 words
A PROCESS FOR THE PRODUCTION OF A DETERGENT COMPOSITION SUITABLE FOR THE REMOVAL OF OIL MATERIAL FROM SURFACES AND PARTICALLY FOR THE REMOVAL OF MINERAL OIL AND SLUDGES FROM THE HANDS AND OTHER PARTS OF THE BODY, WHICH COMPRISES SULPHATING A SHALE OIL DISTILLATION FRACTION BOILING WITHIN THE APPROXIMATE RANGE 270* C., 360* C. WITH STRONG SULPHURIC ACID IN AN AMOUNT CONSTITUTING 10-20% BY VOLUME OF SAID DISTILLATION FRACTION, NEUTRALISING THE PRODUCT WITH AN ALKALI METAL BASE TO PRODUCE ALKALI METAL ALKYL SULPHATES OF LOW SOLUBILITY IN WATER AND ADMIXING THE SAID ALKALI METAL ALYKL SULPHATES WITH KIESELGUHR AS A FILLER.
References Cited (Backward Citations)
US2157320A
Cited
GB166727A
Cited
GB247940A
Cited
US1738967A
Cited
US1915820A
Cited
US1990490A
Cited
US2067326A
Cited
GB583028A
Cited
US2392779A
Cited
US2529538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |