Patent US3590076A successfully refreshed from Google Patents.
US3590076A
Expired / Lapsed
US
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Wax-anhydride compounds
Assignee: Baker Petrolite LLC
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Filing: 1967-01-09
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Granted: 1971-06-29
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Expires: 1987-01-09
Abstract
Abstract WAX-ANHYDRIDE COMPOUNDS AND DERIVATIVES THEREOF, INCLUDING AMIDES, ESTERS, ETC; PROCESSES BY WHICH THEY ARE PREPARED; AND USES THEREOF, INCLUDING THEIR USE AS CARBON PAPER INKS, POLISHES, ETC.
Inventors
- 👤 William J Heintzelman
- 👤 Michael I Naiman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:08
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C07C; C07C57/00; C07C57/02; C07C57/13; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/102; C09G; C09G1/00; C09G1/06; C09G1/08
Claims Analysis
Total Claims: 0
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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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |