Patent US2665295A successfully refreshed from Google Patents.
US2665295A
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Diesters of dithiophosphoric acids and terpenes
Assignee: ExxonMobil Oil Corp
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Filing: 1949-01-06
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Granted: 1954-01-05
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Expires: 1969-01-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Augustine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:22
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C10M2207/00; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/047; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PROCESS OF PREPARING REACTION PRODUCTS THAT COMPRISES REACTING ABOUT ONE MOL OF A SATURATED DIESTER OF DITHIOPHOSPHORIC ACID WITH ABOUT ONE MOL OF A TERPENE, AT TEMPERATURES BETWEEN ABOUT 100* C. TO ABOUT 200* C.
Claim 2
Dependent Claim
36 words
A PROCESS OF PREPARING REACTION PRODUCTS THAT COMPRISES REACTING ABOUT ONE MOL OF A SATURATED DIESTER OF DITHIOPHOSPHORIC ACID WITH ABOUT ONE MOL OF A TERPENE, AT TEMPERATURES BETWEEN ABOUT 100* C. TO ABOUT 200* C.
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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |