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Patent US3686012A successfully refreshed from Google Patents.
US3686012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable solutions of basic lead soaps
Assignee: Tenneco Chemicals Inc
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Filing: 1970-11-02
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Granted: 1972-08-22
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Expires: 1990-11-02
Abstract
Abstract STABLE SOLUTION OF BASIC LEAD SOAPS SUITABLE FOR USE AS PAINT DRIERS ARE OBTAINED BY USING A SOLVENT FOR THE SOAPS WHICH COMPRISES AN ETHER HAVING SATURATED ALIPHATIC AND/ OR AROMATIC HYDROCARBON GROUPS. THE MONOHYDROROXYULATED POLYETHERS ARE PREFERRED.
Inventors
- 👤 Alfred Fischer
- 👤 Irene A E Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:53
CPC Classifications
C; C09; C09F; C09F9/00; C07; C07F; C07F7/00; C07F7/003
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) | 1975-08-22 | 1976-02-21 | 1976-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-22 | 1980-02-21 | 1980-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-22 | 1984-02-21 | 1984-08-22 | $7700.00 | Window Closed / Lapsed |