US2991248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam inhibited hydrocarbon composition
Assignee: Imperial Chemical Industries Ltd
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Filing: 1958-03-10
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Granted: 1961-07-04
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Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 Preston Robert William Gunn
- 👤 Taylor Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:46
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; C07; C07C; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07C59/70; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/188; C10L1/1881; C10L1/24; C10L1/2406; C10L1/2418; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/124; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/085; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10N; C10N2040/00; C10N2040/02; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/08; C10N2040/135; F; F01; F01M; F01M1/00; F01M1/12; F01M2001/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A HYDROCARBON COMPOSITION HAVING DECREASED FOAMING TENDENCIES, THE SAID COMPOSITION CONSISTING ESSENTIALLY OF A LIQUID HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF CRANKCASE OILS, TRANSMISSION FLUIDS, HYDRAULIC FLUIDS AND TURBINE OILS HAVING INCORPORATED THEREIN ABOUT 0.1 TO ABOUT 1 GRAM PER LITER OF HYDROCARBON OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PARA-OCTYL PHENOXY ACETIC ACID AND PARA-NONYL PHENOXY ACETIC ACID, THE ALKALI METAL SALTS THEREOF AND THE AMMONIUM SALTS THEREOF.
Claim 2
Dependent Claim
72 words
A HYDROCARBON COMPOSITION HAVING DECREASED FOAMING TENDENCIES, THE SAID COMPOSITION CONSISTING ESSENTIALLY OF A LIQUID HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF CRANKCASE OILS, TRANSMISSION FLUIDS, HYDRAULIC FLUIDS AND TURBINE OILS HAVING INCORPORATED THEREIN ABOUT 0.1 TO ABOUT 1 GRAM PER LITER OF HYDROCARBON OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PARA-OCTYL PHENOXY ACETIC ACID AND PARA-NONYL PHENOXY ACETIC ACID, THE ALKALI METAL SALTS THEREOF AND THE AMMONIUM SALTS THEREOF.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |