US3076764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isotactic polymers of 4-methyl-1-pentene as grease thickeners
Assignee: California Research LLC
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Filing: 1960-09-30
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Granted: 1963-02-05
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Expires: 1980-09-30
Abstract
No abstract record available.
Inventors
- 👤 Hansen Erling
- 👤 Bruce W Hotten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:11
CPC Classifications
C; C10; C10M; C10M5/00; C08; C08F; C08F10/00; C08F10/14; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2205/028; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10N; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORATION OF AN OIL OF LUBRICATING VISCOSITY, AND, IN AMOUNT SUFFICIENT TO THICKEN SAIID OIL TO THE CONSISTENCY OF A GREASE, AN ISOTATIC POLY(4-METHYL-1-PENTENE) HAVING A MOLECULAR WEIGHT IN THE RANGE OF 100,000 TO 10,000,000.
Claim 2
Dependent Claim
43 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORATION OF AN OIL OF LUBRICATING VISCOSITY, AND, IN AMOUNT SUFFICIENT TO THICKEN SAIID OIL TO THE CONSISTENCY OF A GREASE, AN ISOTATIC POLY(4-METHYL-1-PENTENE) HAVING A MOLECULAR WEIGHT IN THE RANGE OF 100,000 TO 10,000,000.
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) | 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 |