US3342788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Additives
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-08-01
•
Granted: 1967-09-19
•
Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Brod Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:35
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C08; C08F; C08F222/00; C08F222/10; C08F222/12; C08F222/14; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/086; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2213/00; C10M2213/04; C10M2213/06; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN OIL-SOLUBLE COPOLYMER OF (1) 35 TO 75 PARTS BY WEIGHT OF A MIXTURE OF FUMARIC ACID ESTERS HAVING C8 TO C18 ALKYL SIDE CHAINS, (2) 10 TO 40 PARTS BY WEIGHT OF A VINYL ESTER OF A SATURATED MONOCARBOXYLIC ACID, (3) 2 TO 10 PARTS BY WEIGHT OF AN ETHER ESTER HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
56 words
AN OIL-SOLUBLE COPOLYMER OF (1) 35 TO 75 PARTS BY WEIGHT OF A MIXTURE OF FUMARIC ACID ESTERS HAVING C8 TO C18 ALKYL SIDE CHAINS, (2) 10 TO 40 PARTS BY WEIGHT OF A VINYL ESTER OF A SATURATED MONOCARBOXYLIC ACID, (3) 2 TO 10 PARTS BY WEIGHT OF AN ETHER ESTER HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
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Cited
US2977309A
Cited
US3137679A
Cited
US2944974A
Cited
US3012998A
Cited
US3052659A
Cited
US3143513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |