Patent US3796680A successfully refreshed from Google Patents.
US3796680A
Expired / Lapsed
US
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Non-corrosive polyvinylidene chloride latex
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1972-03-31
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Granted: 1974-03-12
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Expires: 1992-03-31
Abstract
Abstract A STABILIZED, SUBSTANTIALLY NON-CORROSIVE POLYVINYLIDENE CHLORIDE LATEX IS PRODUCED BY ADDING STABILIZING QUANTITIES OF AN ALKALI METAL BISULFITE TO A POLYVINYLIDENE CHLORIDE LATEX CONTAINING RESIDULA PEROXIDES. THE STABILIZED CONPOSITION HAS PARTICULAR UTILITY AS A COATING FOR CELLULOSIC SUBSTRATES.
Inventors
- 👤 C Brockway
- 👤 D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:05
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/30
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) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |