US3623896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine antifoulant with copper cobalt or manganese terephthalate
Assignee: Standard Oil Co
•
Filing: 1967-06-15
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Granted: 1971-11-30
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Expires: 1987-06-15
Abstract
Abstract COMPOSITIONS OF MATTER INCLUDING COBALT, COPPER, AND MAGANESE SALTS OF TEREPHTHALIC ACID, COBALT, COPPER, AND MANGANESE HAVING A VALENCE OF TWO FOR USE AS MARINE ANTIFOULANTS.
Inventors
- 👤 Hans A Leipold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:28
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/16; C09D5/1606; C09D5/1612; C09D5/1625
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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |