Patent US2791571A successfully refreshed from Google Patents.
US2791571A
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Aqueous interpolymer dispersions and non-blocking films therefrom
Assignee: Goodrich Corp
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Filing: 1954-12-01
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Granted: 1957-05-07
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Expires: 1974-12-01
Abstract
No abstract record available.
Inventors
- 👤 George L Wheelock
- 👤 Gino P Ferrini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:56
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; Y; Y10; Y10S; Y10S525/00; Y10S525/942; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906; Y10T428/31931
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
AN AQUEOUS DISPERSION OF AN INTERPOLYMER ESPECIALLY ADAPTED TO FORM STRONG NON-BLOCKING POLYMER FILMS, SAID INTERPOLYMER PREPARED BY POLYMERIZING A MONOMER MIXTURE COMPRISING FROM ABOUT 34 TO 38 WEIGHT PERCENT BUTADIENE-1,3,ABOUT 29 TO 39 WEIGHT PERCENT OF A MONOMER SELECTED FROM THE CLASS CONSISTING OF STYRENE AND ALPHA- AND NUCLEAR-SUBSTITUTED ALKYL AND CHLORO-STYRENES AND ABOUT 27 TO 33 WEIGHT PERCENT ACRYLONITRILE.
References Cited (Backward Citations)
US2384543A
Cited
US2527162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |