US3006852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions and process of lubrication utilizing certain polyoxyphenylene compounds
Assignee: Shell USA Inc
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Filing: 1957-12-09
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Granted: 1961-10-31
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Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 Emmett R Barnum
- 👤 Clarence L Mahoney
- 👤 Karl J Sax
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:53
CPC Classifications
C; C10; C10M; C10M3/00; C10M2201/00; C10M2201/04; C10M2201/05; C10M2207/00; C10M2207/04; C10M2209/00; C10M2209/02; C10M2209/10; C10M2227/00; C10M2227/02; C10M2227/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/043; C10M2229/044; C10M2229/05; C10N; C10N2030/00; C10N2030/08; C10N2030/32; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A COMPOSITION CONSISTING ESSENTIALLY OF 10-90% BY WEIGHT OF UNSUBSTITUTED POLYOXYPHENYLENE COMPOUNDS HAVING THE GENERAL FORMULA R-O-(R-O)N-R WHEREIN R IS A PHENYLENE RADICAL AND N IS AN INTEGER FROM 1 TO 4, AND 90-10% BY WEIGHT OF SUBSTITUTED POLYOXYPHENYLENE COMPOUNDS OF THE SAME GENERAL STRUCTURE WHEREIN THE PHENYLENE RADICALS ARE SUBSTITUTED WITH SUBSTITUENTS OF THE CLASS CONSISTING OF TERTIARY BUTYL RADICALS AND ALPHA CUMYL RADICALS, THE SUBSTITUTED AND UNSUBSTITUTED POLYOXYPHENYLENE COMPOUNDS HAVING FROM 3 TO 6 PHENYLENE RADICALS PER MOLECULE.
Claim 2
Dependent Claim
80 words
A COMPOSITION CONSISTING ESSENTIALLY OF 10-90% BY WEIGHT OF UNSUBSTITUTED POLYOXYPHENYLENE COMPOUNDS HAVING THE GENERAL FORMULA R-O-(R-O)N-R WHEREIN R IS A PHENYLENE RADICAL AND N IS AN INTEGER FROM 1 TO 4, AND 90-10% BY WEIGHT OF SUBSTITUTED POLYOXYPHENYLENE COMPOUNDS OF THE SAME GENERAL STRUCTURE WHEREIN THE PHENYLENE RADICALS ARE SUBSTITUTED WITH SUBSTITUENTS OF THE CLASS CONSISTING OF TERTIARY BUTYL RADICALS AND ALPHA CUMYL RADICALS, THE SUBSTITUTED AND UNSUBSTITUTED POLYOXYPHENYLENE COMPOUNDS HAVING FROM 3 TO 6 PHENYLENE RADICALS PER MOLECULE.
References Cited (Backward Citations)
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US2079783A
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US2128109A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |