US3726694A
Expired / Lapsed
US
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Corrosion inhibiting molybdate pigment and process for making same
Assignee: Cyprus Amax Minerals Co
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Filing: 1971-02-22
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Granted: 1973-04-10
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Expires: 1991-02-22
Abstract
Abstract A PROCESS FOR PREPARING AN EXTENDED CORROSION INHIBITINGG PIGMENT COMPRISING A PARTICULATED CARRIER HAVING A MOLYBDATE COATING THEREON, THE CORROSION INHIBITING PIGMENT PRODUCED BY SAID PROCESS AND PROTECTIVE COATING FORMULATIONS INCORPORATING SAID PIGMENT IN AMOUNTS WHICH ARE EFFECTIVE TO INHIBIT CORROSION OF UNDERLYING SUBSTRATES OVER WHICH THE COATING FORMULATIONS ARE APPLIED.
Inventors
- 👤 F Moore
- 👤 D Robitaille
- 👤 H Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:43
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0003; C09C3/00; C09C3/06; C09C3/063; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/61; C01P2004/80; C01P2004/82; C01P2004/84
Claims Analysis
Total Claims: 0
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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) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |