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Patent US3734783A successfully refreshed from Google Patents.
US3734783A
Expired / Lapsed
US
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Corrosion resistant vinyl coated metal articles
Assignee: Stauffer Chemical Co
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Filing: 1971-05-10
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Granted: 1973-05-22
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Expires: 1991-05-10
Abstract
Abstract VINYL COATED METAL ARTICLES ARE RENDERED CORROSION RESISTANT BY APPLYING THEREON AN ALKALI METAL DIALKYL PHOSPHOSPHATE OF THE FORMULA: (R-O)2-P(=O)-O-M WHEREIN R IS AN ALKYL GROUP CONTAINING FROM ABOUT 8 T ABOUT 16 CARBON ATOMS INCLUSIVE, AND M IS AN ALKALI METAL ION.
Inventors
- 👤 H Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:05
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/167; C23F11/1673
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) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |