US2976240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam-inhibited aqueous oil emulsions
Assignee: Gulf Research and Development Co
•
Filing: 1958-10-21
•
Granted: 1961-03-21
•
Expires: 1978-10-21
Abstract
No abstract record available.
Inventors
- 👤 William I Gilbert
- 👤 Arthur C Whitaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:31
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
AN AQUEOUS OIL EMULSION OF REDUCED FOAMING PROPERTIES COMPRISING A MAJOR AMOUNT OF WATER, AT LEAST ABOUT 5 PERCENT BY VOLUME OF AN EMULSIFIABLE OIL COMPRISING FROM ABOUT 50 TO ABOUT 95 PERCENT BY WEIGHT OF A MINERAL LUBROCATING OIL AND FROM ABOUT 5 TO ABOUT 50 PERCENT BY WEIGHT OF EMULSIFYING AGENT, AND ABOUT 0.001 TO ABOUT 1.0 PERCENT BY WEIGHT OF A BRANCHED-CHAIN TRIOCYTLAMINE.
References Cited (Backward Citations)
US2304805A
Cited
US2363923A
Cited
USRE23614E
Cited
GB733783A
Cited
US2758086A
Cited
US2832741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |