Patent US3192177A successfully refreshed from Google Patents.
US3192177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl alcohol polymer compositions plasticized with certain trialkyl phosphates
Assignee: Shawinigan Resins Corp
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Filing: 1960-08-01
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Granted: 1965-06-29
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Expires: 1980-08-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Martins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:56
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08K5/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PLASTICIZED WATER DISPERSIBLE RESIN COMPOSITION COMPRISING A MIXTURE OF 95-75 PARTS OF A PARTIALLY HYDROLYZED POLYVINYL ACETATE HAVING 26-45% RESIDUAL ACETATE GROUPS AND A VISCOSITY IN THE RANGE 4-60 CENTIPOISES FOR A 4% AQUEOUS SOLUTION AT 20*C., WITH 5-25 PARTS OF A PLASTICER HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
48 words
A PLASTICIZED WATER DISPERSIBLE RESIN COMPOSITION COMPRISING A MIXTURE OF 95-75 PARTS OF A PARTIALLY HYDROLYZED POLYVINYL ACETATE HAVING 26-45% RESIDUAL ACETATE GROUPS AND A VISCOSITY IN THE RANGE 4-60 CENTIPOISES FOR A 4% AQUEOUS SOLUTION AT 20*C., WITH 5-25 PARTS OF A PLASTICER HAVING THE GENERAL FORMULA
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |