US2693459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High impact strength plastic composition containing polyvinyl acetal resin and chlorosulfonated polyethylene elastomer
Assignee: Uniroyal Inc
•
Filing: 1952-08-28
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Granted: 1954-11-02
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Expires: 1972-08-28
Abstract
No abstract record available.
Inventors
- 👤 Charles F Fisk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:08
CPC Classifications
C; C08; C08L; C08L29/00; C08L29/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
AN IMPROVED GUM PLASTIC MIXTURE COMPRISING FROM 4 TO 15% OF CHLOROSULFONATED POLYETHYLENE RUBBER AND CORRESPONDINGLY FROM 96 TO 85% OF A POLYVINYL ACETAL RESIN CHARACTERIZED BY AT LEAST 75% REPLACEMENT BY ACETAL HYDE GROUPS OF THE ACETATE ESTER GROUPS IN THE POLYVINYL ACETATE FROM WHICH SAID RESIN IS DERIVED.
Claim 2
Dependent Claim
50 words
AN IMPROVED GUM PLASTIC MIXTURE COMPRISING FROM 4 TO 15% OF CHLOROSULFONATED POLYETHYLENE RUBBER AND CORRESPONDINGLY FROM 96 TO 85% OF A POLYVINYL ACETAL RESIN CHARACTERIZED BY AT LEAST 75% REPLACEMENT BY ACETAL HYDE GROUPS OF THE ACETATE ESTER GROUPS IN THE POLYVINYL ACETATE FROM WHICH SAID RESIN IS DERIVED.
References Cited (Backward Citations)
US2416061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |