US3211648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants containing metal hydrocarbon-oxy-alkyl and hydrocarbon-oxyaryl phosphorothioate-epoxide reaction products
Assignee: Lubrizol Corp
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Filing: 1963-03-11
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Granted: 1965-10-12
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Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Hopkins Thomas Robert
- 👤 Arthur N Arakelian
- 👤 Rhodes Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:23
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/1654; C07F9/1655; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/08; C10M2219/082; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2040/00; C10N2040/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL AND FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF A PHOSPHORUS- AND SULFUR-CONTAINING MATERIAL PREPARED BY THE PROCESS WHICH COMPRISES THE REACTION OF METAL SALT OF A PHOSPHORUS THIOIC ACID HAVING THE STRUCTURE
Claim 2
Dependent Claim
44 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL AND FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF A PHOSPHORUS- AND SULFUR-CONTAINING MATERIAL PREPARED BY THE PROCESS WHICH COMPRISES THE REACTION OF METAL SALT OF A PHOSPHORUS THIOIC ACID HAVING THE STRUCTURE
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |