US3792125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transparent heat resistant gum plastic
Assignee: Uniroyal Chemical Co Inc
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Filing: 1971-12-02
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Granted: 1974-02-12
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Expires: 1991-12-02
Abstract
Abstract TRANSPARENT, HEAT RESISTANT THERMOPLASTIC COMPOSITION ARE PREPARED FROM TERPOLYMERS OF T-BUTYLSTYRENE, ACRYLONITRILE AND METHYLMETHACRYLATE BLENDED WITH GRAFTS OF THE TERPOLYMERS ONTO POLYBUTADIENE RUBBER OR A RUBBERY STYRENE-BUTADIENE COPOLYMER. TRANSPARENCY AS WELL AS AS GOOD THERMAL AND MECHANICAL PROPERTIES CAN BE ACHIEVED IN THE SUM PLASTIC BLENDS WITH WIDE VARIETY OF MONOMER RATIOS IN THE RESINOUS TERPOLYMERS.
Inventors
- 👤 J Wefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:30
CPC Classifications
C; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/12; C08F220/00; C08F220/02; C08F220/42; C08F220/44; C08F279/00; C08F279/02; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/12; C08L25/14; C08L25/16; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08L33/12; C08L51/00; C08L51/04; C08F220/10; C08F220/12; C08F220/14; Y; Y10; Y10S; Y10S525/00; Y10S525/932; Y10S525/942
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |