US3259574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of suspensions of watersoluble solids in oleaginous media
Assignee: BP PLC
•
Filing: 1963-04-17
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Granted: 1966-07-05
•
Expires: 1983-04-17
Abstract
No abstract record available.
Inventors
- 👤 Morrison Walter
- 👤 Stevenson Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:07
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/06; C10M2201/062; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/083; C10M2201/084; C10M2201/085; C10M2201/086; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/14; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/124; C10M2207/125; C10M2207/128; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/144; C10M2207/146; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/12; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/26; C10M2215/28; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2020/00; C10N2020/01; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METHOD OF PREPARING A SUSPENSION OF PARTICLES OF A WATER SOLUBLE SOLID IN AN ALEAGINOUS MEDIUM, IN WHICH AN AQUEOUS SOLUTION OF THE SOLID IS EMULSIFIED WITH AN OLEAGINOUS LIQUID TO FORM A WATER-IN-OIL EMULSION AND THE EMULSION IS THEREAFTER DEHYDRATED BY HEATING AT A TEMPERATURE OF 115-170*C., THE EMULSIFICATION AND DEHYDRATHIO BOTH BEING CARRIED OUT IN THE PRESENCE OF A COLOIDAL CLAY WHOSE PARTICLES HAVE BEEN COATED WITH A QUATERNARY AMMONIUM SALT, THE CLAY BEING IN AN AMOUNT OF 0.2-5% BY WEIGHT OF THE OLEAGINOUS LIQUID.
Claim 2
Independent Claim
88 words
A METHOD OF PREPARING A SUSPENSION OF PARTICLES OF A WATER SOLUBLE SOLID IN AN ALEAGINOUS MEDIUM, IN WHICH AN AQUEOUS SOLUTION OF THE SOLID IS EMULSIFIED WITH AN OLEAGINOUS LIQUID TO FORM A WATER-IN-OIL EMULSION AND THE EMULSION IS THEREAFTER DEHYDRATED BY HEATING AT A TEMPERATURE OF 115-170*C., THE EMULSIFICATION AND DEHYDRATHIO BOTH BEING CARRIED OUT IN THE PRESENCE OF A COLOIDAL CLAY WHOSE PARTICLES HAVE BEEN COATED WITH A QUATERNARY AMMONIUM SALT, THE CLAY BEING IN AN AMOUNT OF 0.2-5% BY WEIGHT OF THE OLEAGINOUS LIQUID.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |