US3076791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil additives obtained by shearing a polymer and a monomer
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1960-09-01
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Granted: 1963-02-05
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Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Hollyday
- 👤 Monroe W Munsell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:16
CPC Classifications
C; C10; C10M; C10M145/00; C10M145/02; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/146; C10M143/00; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/024; C10M2205/026; C10M2205/04; C10M2205/06; C10M2205/14; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2209/086; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/06; C10M2215/066; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/02; C10M2217/022; C10N; C10N2040/00; C10N2040/08; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD OF PREPARING A POLYMERIC MATERIAL USEFUL AS AN OIL ADDITIVE COMPRISING SUBJECTING ONE MOLAR PROPORTION OF A POLYMER HAVING AN INTRINSIC VISCOSITY OF 0.2 TO 10 PREPARED FROM MONOMERS SELECTED FROM THE GROUP CONSISTING OF C4 TO C30 UNSATURATED ESTERS, C2 TO C30 OLEFINS AND MIIXTURES THEREOF AND 0.01 TO 1.00 MOLAR PROPORTION OF AMINE REPRESENT BY THE FORMULA:
Claim 2
Independent Claim
61 words
A METHOD OF PREPARING A POLYMERIC MATERIAL USEFUL AS AN OIL ADDITIVE COMPRISING SUBJECTING ONE MOLAR PROPORTION OF A POLYMER HAVING AN INTRINSIC VISCOSITY OF 0.2 TO 10 PREPARED FROM MONOMERS SELECTED FROM THE GROUP CONSISTING OF C4 TO C30 UNSATURATED ESTERS, C2 TO C30 OLEFINS AND MIIXTURES THEREOF AND 0.01 TO 1.00 MOLAR PROPORTION OF AMINE REPRESENT BY THE FORMULA:
References Cited (Backward Citations)
US2852565A
Cited
US2876213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |