Patent US2566205A successfully refreshed from Google Patents.
US2566205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl halide compositions
Assignee: Sherwin Williams Co
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Filing: 1947-11-15
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Granted: 1951-08-28
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Expires: 1967-11-15
Abstract
No abstract record available.
Inventors
- 👤 James V Hunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:42
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A FILM-FORMING COMPOSITION COMPRISING AN EMULSION CONSISTING ESSENTIALLY OF A CASEIN IN WATER AND OIL EMULSION AND A POLYMERIZED VINYL CHLORIDE IN WATER EMULSION CONTAINING AN ESTER OF AN O-BENZOYL BENOZIC ACID HAVING THE CARBOXYLIC ACID RADICAL OF THE O-BENZOYL BENZOIC ACID ESTERIFIED BY AN AMOUNT OF AN ORGANIC HYDROXY COMPOUND FROM THE CLASS CONSISTING OF GLYCEROL, ALKYLENE GLYCOLS AND ESTERS OF SAID GLYCOLS SUFFICIENT TO ESTERIFY SAID ACID WITHOUT LEAVING UNREACTED HYDROXYL GROUPS.
References Cited (Backward Citations)
US2036271A
Cited
US2372947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |