Patent JPS6160482A successfully refreshed from Google Patents.
US3558743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ashless,oil-soluble detergents
Assignee: DONALD J CARROW
•
Filing: 1969-03-17
•
Granted: 1971-01-26
•
Expires: 1989-03-17
Abstract
Abstract ASHLESS LUBRICATING OIL DETERGENTS ARE PROVIDED BY THE REACTION PRODUCT OF (A) A CARBOXYLIC ACID OR ACID ANHYDRIDE CONTAINING ADDITION COPOLYMER HAVING AT LEAST TWO CARBOXYLIC ACID OR ACID ANHYDRIDE GROUPS. (B) AN AMINE, (C) AN ALKYLATED PHENOL, AND (D) AN ALDEHYDE.
Inventors
- 👤 Joseph A Verdol
- 👤 Donald J Carrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:16
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/16; C10M2203/00; C10M2203/10; C10M2203/108; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/304; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/086; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/11; C10M2209/112; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/02; C10M2217/024; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/046; C10M2217/06; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/14; C10N2010/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |