US3336121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thickening agents for liquid hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-07-28
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Granted: 1967-08-15
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Expires: 1986-07-28
Abstract
No abstract record available.
Inventors
- 👤 Jacobson Norman
- 👤 Brownawell Darrell William
- 👤 Edward N Kresge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:56
CPC Classifications
C; C10; C10L; C10L7/00; C10L7/02; Y; Y10; Y10S; Y10S149/00; Y10S149/118
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A SEMI-SOLID COMPOSITION WHICH COMPRISES A NORMALLY LIQUID HYDROCARBON BOILING WITHIN THE RANGE OF FROM ABOUT 80* TO ABOUT 950*F. AND AN ETHYLENE-ALPHA-OLEFIN COPOLYMER THICKENING AGENT; SAID COPOLYMER BEING CHARACTERIZED AS CONTAINING FROM ABOUT 60 TO ABOUT 90 WT. PERCENT ETHYLENE, AND HAVING A MOLECULAR WEIGHT IN THE RANGE OF FROM ABOUT 5,000 TO ABOUT 500,000, AND A DEGREE OF CRYSTALLINITY WITHIN THE RANGE BETWEEN ABOUT 5 AND 35%, THE WEIGHT RATIO OF SAID HYDROCARBON TO SAID THICKENING AGENT BEING FROM ABOUT 5:1 TO ABOUT 99:1.
Claim 2
Dependent Claim
86 words
A SEMI-SOLID COMPOSITION WHICH COMPRISES A NORMALLY LIQUID HYDROCARBON BOILING WITHIN THE RANGE OF FROM ABOUT 80* TO ABOUT 950*F. AND AN ETHYLENE-ALPHA-OLEFIN COPOLYMER THICKENING AGENT; SAID COPOLYMER BEING CHARACTERIZED AS CONTAINING FROM ABOUT 60 TO ABOUT 90 WT. PERCENT ETHYLENE, AND HAVING A MOLECULAR WEIGHT IN THE RANGE OF FROM ABOUT 5,000 TO ABOUT 500,000, AND A DEGREE OF CRYSTALLINITY WITHIN THE RANGE BETWEEN ABOUT 5 AND 35%, THE WEIGHT RATIO OF SAID HYDROCARBON TO SAID THICKENING AGENT BEING FROM ABOUT 5:1 TO ABOUT 99:1.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |