Patent US2946764A successfully refreshed from Google Patents.
US2946764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat stabilized vinyl chloride resin plastisols
Assignee: Victor Chemical Works
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Filing: 1957-05-24
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Granted: 1960-07-26
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Expires: 1977-05-24
Abstract
No abstract record available.
Inventors
- 👤 Toy Arthur Dock Fon
- 👤 Kenneth H Rattenbury
- 👤 Thomas M Hinkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:52
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5393; C08K5/04; C08K5/09; C08K5/56; C08K5/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A PLASTISOL COMPOSITION COMPRISING A VINYL CHLORIDE RESIN, A VINYL CHLORIDE PLASTICIZER, AND A HEATING STABILIZING AMOUNT OF DIBUTYL BENZENEPHOSPHONITE.
Claim 2
Dependent Claim
20 words
A PLASTISOL COMPOSITION COMPRISING A VINYL CHLORIDE RESIN, A VINYL CHLORIDE PLASTICIZER, AND A HEATING STABILIZING AMOUNT OF DIBUTYL BENZENEPHOSPHONITE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |