US3558676A
Expired / Lapsed
US
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Fatty acid chromium complex salts and compositions thereof
Assignee: EDWARD E DOHERTY
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Filing: 1967-04-19
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Granted: 1971-01-26
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Expires: 1987-04-19
Abstract
Abstract THIS INVENTION IS A METHOD FOR PRODUCING A WATER REPELLING COMPOSITION COMPRISING REACTING A FATTY ACID METALLIC SALT WITH BASIC CHROMIC SULPHATE AND THE COMPOSITION ITSELF.
Inventors
- 👤 Edward E Doherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:25
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/14; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/188; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2164
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) | 1974-01-25 | 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 |