US3353979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molybdated zinc oxide pigments and method for the preparation thereof
Assignee: Sherwin Williams Co
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Filing: 1964-06-29
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Granted: 1967-11-21
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 James V Hunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:16
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0003; C01; C01P; C01P2002/00; C01P2002/70; C01P2002/72; C01P2002/74; C01P2002/80; C01P2002/82; C01P2006/00; C01P2006/20; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A METHOD OF PREPARATION OF A MOLYBDATED ZINC OXIDE PIGMENT WHICH COMPRISES REACTING TOGETHER IN AN AQUEOUS ENVIRONMENT IN EXCESS OF ONE MOL OF PIGMENTARY ZINC OXIDE AND UP TO 10 MOLES THEREOF FOR E ACH MOL OF MOLYBDENUM TRIOXIDE AND RECOVERING A CORROSION INHIBITIVE PIGMENTARY PRODUCT THEREFROM FREE FROM ELEMENTS OTHER THAN THOSE INHERENT IN THE NAMED REACTANTS.
Claim 2
Independent Claim
59 words
A METHOD OF PREPARATION OF A MOLYBDATED ZINC OXIDE PIGMENT WHICH COMPRISES REACTING TOGETHER IN AN AQUEOUS ENVIRONMENT IN EXCESS OF ONE MOL OF PIGMENTARY ZINC OXIDE AND UP TO 10 MOLES THEREOF FOR E ACH MOL OF MOLYBDENUM TRIOXIDE AND RECOVERING A CORROSION INHIBITIVE PIGMENTARY PRODUCT THEREFROM FREE FROM ELEMENTS OTHER THAN THOSE INHERENT IN THE NAMED REACTANTS.
References Cited (Backward Citations)
US3214283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |