Patent US3340193A successfully refreshed from Google Patents.
US3340193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral oil containing alkyl polymethacrylate antifoamant
Assignee: Monsanto Co
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Filing: 1966-01-21
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Granted: 1967-09-05
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Expires: 1986-01-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Fields
- 👤 Edward H Mottus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:56
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A MINERAL OIL COMPOSITION HAVING LOW FOAMING CHARACTERISTICS COMPRISING A MAJOR PORTION OF MINERAL OIL AND AT LEAST AN AMOUNT SUFFICIENT TO SUBSTANTIALLY REDUCE FOAMING IN SAID OIL BUT LESS THAN 0.1% BY WEIGHT BASED ON SAID COMPOSITION OF ISOTACTIC ALKYL POLYMETHACRYLATE HAVING AN AVERAGE IN THE RANGE OF 3 TO ABOUT 14 CARBON ATOMS IN THE ALKYL GROUP AND A SPECIFIC VISCOSITY AT 25*C. AND 1% CONCENTRATION IN BENZENE IN THE RANGE OF 0.2 TO 10.0.
Claim 2
Dependent Claim
77 words
A MINERAL OIL COMPOSITION HAVING LOW FOAMING CHARACTERISTICS COMPRISING A MAJOR PORTION OF MINERAL OIL AND AT LEAST AN AMOUNT SUFFICIENT TO SUBSTANTIALLY REDUCE FOAMING IN SAID OIL BUT LESS THAN 0.1% BY WEIGHT BASED ON SAID COMPOSITION OF ISOTACTIC ALKYL POLYMETHACRYLATE HAVING AN AVERAGE IN THE RANGE OF 3 TO ABOUT 14 CARBON ATOMS IN THE ALKYL GROUP AND A SPECIFIC VISCOSITY AT 25*C. AND 1% CONCENTRATION IN BENZENE IN THE RANGE OF 0.2 TO 10.0.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |