Patent US2970978A successfully refreshed from Google Patents.
US2970978A
Expired / Lapsed
US
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Plasticized synthetic resin and mastic tile product made therefrom
Assignee: Pennsylvania Industrial Chemical Corp
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Filing: 1956-08-06
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Granted: 1961-02-07
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Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 Paul O Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:14
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/36; C09; C09J; C09J125/00; C09J125/02; C09J125/04; C09J125/08; C09J125/12; C08L; C08L2666/00; C08L2666/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A TILE RESIN COMPOSITION FOR MASTIC TILE CONSISTING ESSENTIALLY OF A BLEND OF A HIGH MELTING POINT COPOLYMER OF STYRENE AND A MEMBER OF THE GROUP CONSISTING OF, BY WEIGHT, 7 TO 10 PERCENT OF ACRYLONITRILLE, 1 TO 7 PERCENT OF ACRYLAMIDE, AND 3 TO 10 PERCENT OF METHYL VINYL KETONE CUT BACK WITH A SUBSTANTIALLY NON-VOLATILE PLASTICIZING EXTENDER TO ABOUT 70* TO 100* C. MELTING POINT.
Claim 2
Dependent Claim
67 words
A TILE RESIN COMPOSITION FOR MASTIC TILE CONSISTING ESSENTIALLY OF A BLEND OF A HIGH MELTING POINT COPOLYMER OF STYRENE AND A MEMBER OF THE GROUP CONSISTING OF, BY WEIGHT, 7 TO 10 PERCENT OF ACRYLONITRILLE, 1 TO 7 PERCENT OF ACRYLAMIDE, AND 3 TO 10 PERCENT OF METHYL VINYL KETONE CUT BACK WITH A SUBSTANTIALLY NON-VOLATILE PLASTICIZING EXTENDER TO ABOUT 70* TO 100* C. MELTING POINT.
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) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |