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Patent US3342735A successfully refreshed from Google Patents.
US3342735A
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Alkenyl succinic anhydride-amine-ps reaction product
Assignee: Texaco Inc
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Filing: 1965-04-23
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Granted: 1967-09-19
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Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 David D Reed
- 👤 Moroz Eugene
- 👤 James M Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:57
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C10; C10M; C10M133/00; C10M133/52; C10M133/56; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/04; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
21 words
AN ALKENYL SUCCINIC ANHYDRIDE-AMINE-P2S5 COMPLEX REACTION PRODUCT PRODUCED BY THE METHOD COMPRISING FIRST CONTACTING AN ALKENYL SUCCINIC ANHYDRIDE OF THE FORMULA:
Claim 2
Dependent Claim
21 words
AN ALKENYL SUCCINIC ANHYDRIDE-AMINE-P2S5 COMPLEX REACTION PRODUCT PRODUCED BY THE METHOD COMPRISING FIRST CONTACTING AN ALKENYL SUCCINIC ANHYDRIDE OF THE FORMULA:
Claim 3
Dependent Claim
27 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF LUBRICATING OIL AND AN EFFECTIVE DETERGENTDISPERSING AMOUNT OF THE ALKENYL SUCCINIC ANHYDRIDEAMINE-P2S5 COMPLEX REACTION PRODUCT OF CLAIM 1.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |