Patent US3846090A successfully refreshed from Google Patents.
US3846090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of liquid dissemination
Assignee: Imperial Chemical Industries Ltd
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Filing: 1972-05-12
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Granted: 1974-11-05
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Expires: 1992-05-12
Abstract
Abstract 1. A LIQUID HYDROCARBON FUEL OF FLASH POINT AT LEAST 90* F. AND SUITABLE FOR USE IN GAS TURBINED ENGINED AIRCRAFT, HAVING A REDUCED TENDENCY TO PARTICULATE DISSEMINATION ON BEING SUBJECTED TO SHOCK THE FUEL CONTAINING DISSOLVED THEREIN POLYMER OF MOLECULAR WEIGHT GREATER THAN 10**6 (VISCOSITY AVERAGE) OR OF INTRINSIC VISCOSITY GREATER THAN 2.5 DLS./GM. IN A CONCENTRATION SUCH THAT THERE IS MOLECULAR OVERLAP OF THE POLYMER MOLECULES IN THE LIQUID THE POLYMER BEING AN ADDITION HOMOPOLYMER OF AN ALKYL STYRENE OR AN ADDITION HOMOPOLYMER OF AN ALKYL ONE OR MORE ETHYLENICALLY UNSATURATED NON-POLR MONOMERS COPOLYMERIZABLE WITH SAID ALKYL STYRENE.
Inventors
- 👤 F Waite
- 👤 D Osmond
- 👤 N Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/146; C10L1/16; C10L1/1625; C10L1/1633; C10L1/165; C10L1/18; C10L1/192; C10L1/195; C10L1/196; C10L1/1963
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A LIQUID HYDROCARBON FUEL OF FLASH POINT AT LEAST 90* F. AND SUITABLE FOR USE IN GAS TURBINED ENGINED AIRCRAFT, HAVING A REDUCED TENDENCY TO PARTICULATE DISSEMINATION ON BEING SUBJECTED TO SHOCK THE FUEL CONTAINING DISSOLVED THEREIN POLYMER OF MOLECULAR WEIGHT GREATER THAN 10**6 (VISCOSITY AVERAGE) OR OF INTRINSIC VISCOSITY GREATER THAN 2.5 DLS./GM. IN A CONCENTRATION SUCH THAT THERE IS MOLECULAR OVERLAP OF THE POLYMER MOLECULES IN THE LIQUID THE POLYMER BEING AN ADDITION HOMOPOLYMER OF AN ALKYL STYRENE OR AN ADDITION HOMOPOLYMER OF AN ALKYL ONE OR MORE ETHYLENICALLY UNSATURATED NON-POLR MONOMERS COPOLYMERIZABLE WITH SAID ALKYL STYRENE.
Claim 2
Dependent Claim
99 words
A LIQUID HYDROCARBON FUEL OF FLASH POINT AT LEAST 90* F. AND SUITABLE FOR USE IN GAS TURBINED ENGINED AIRCRAFT, HAVING A REDUCED TENDENCY TO PARTICULATE DISSEMINATION ON BEING SUBJECTED TO SHOCK THE FUEL CONTAINING DISSOLVED THEREIN POLYMER OF MOLECULAR WEIGHT GREATER THAN 10**6 (VISCOSITY AVERAGE) OR OF INTRINSIC VISCOSITY GREATER THAN 2.5 DLS./GM. IN A CONCENTRATION SUCH THAT THERE IS MOLECULAR OVERLAP OF THE POLYMER MOLECULES IN THE LIQUID THE POLYMER BEING AN ADDITION HOMOPOLYMER OF AN ALKYL STYRENE OR AN ADDITION HOMOPOLYMER OF AN ALKYL ONE OR MORE ETHYLENICALLY UNSATURATED NON-POLR MONOMERS COPOLYMERIZABLE WITH SAID ALKYL STYRENE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |