US3677783A
Expired / Lapsed
US
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Calcined molybdated zinc oxide pigments and method of preparation thereof
Assignee: Sherwin Williams Co
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Filing: 1969-09-18
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Granted: 1972-07-18
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Expires: 1989-09-18
Abstract
Abstract THIS INVENTION PROVIDES A METHOD FOR THE MANUFACTURE OF A NOVEL COMPOSITION OF MATTER CORRESPONDING TO 2ZNO:M0O3 AND CORROSION INHIBITING PIGMENTARY PARTICLES CONTAINING THE SAME BY REACTION IN AQUEOUS SLURRY OF PIGMENTARY ZINC OXIDE AND MOLYBDENUM TRIOXIDE WITH CALCINATION FOLLOWING PARTICLE RECOVERY AT ELEVATED BUT LESS THAN SINTERING TEMPERATURES (PREFERABLY AT ABOUT 600* C.).
Inventors
- 👤 Truman Kirkpatrick
- 👤 James Jacob Nilles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:35
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0003; C01; C01P; C01P2002/00; C01P2002/70; C01P2002/72; C01P2002/74; C01P2002/80; C01P2002/82; C01P2004/00; C01P2004/60; C01P2004/61; C01P2004/62; C01P2006/00; C01P2006/20; C01P2006/60
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |