US2909489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-foaming functional fluids
Assignee: Monsanto Chemicals Ltd
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Filing: 1956-06-07
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Granted: 1959-10-20
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Expires: 1976-06-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:56
CPC Classifications
C; C10; C10M; C10M3/00; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/04; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A COMPOSITION CONSISTING ESSENTIALLY FO A FUNCTIONAL FLUID WHICH IS A LIQUID TRIBASIC ORGANIC PHOSPHATE OF THE FORMULA0=P(OR)3 IN WHICH EACH R IS SELECTED FROM THE CLASS CONSISTING OF ALKYL, ARYL, ARALKYL AND ALKARYL RADICALS AND AS A FEFOAMANT FOR SAID FLUID FROM 0.0001% TO 1.0% OF A VISCOUS LIQUID TO BALSAM-LIME POLYMER OF AN ALKYL VINYL ETHER HAVING FROM 3 TO 8 CARBON ATOMS IN THE ALKYL RADICAL, A 1% BENZENE SOLUTIONOF SAID POLYMER HAVING ASPECIFIC SISCOSITUY OF 0.1 TO 1.0 AT 25*C.
Claim 2
Dependent Claim
84 words
A COMPOSITION CONSISTING ESSENTIALLY FO A FUNCTIONAL FLUID WHICH IS A LIQUID TRIBASIC ORGANIC PHOSPHATE OF THE FORMULA0=P(OR)3 IN WHICH EACH R IS SELECTED FROM THE CLASS CONSISTING OF ALKYL, ARYL, ARALKYL AND ALKARYL RADICALS AND AS A FEFOAMANT FOR SAID FLUID FROM 0.0001% TO 1.0% OF A VISCOUS LIQUID TO BALSAM-LIME POLYMER OF AN ALKYL VINYL ETHER HAVING FROM 3 TO 8 CARBON ATOMS IN THE ALKYL RADICAL, A 1% BENZENE SOLUTIONOF SAID POLYMER HAVING ASPECIFIC SISCOSITUY OF 0.1 TO 1.0 AT 25*C.
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |