US3793402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low haze impact resistant compositions containing a multi-stage,sequentially produced polymer
Assignee: Individual
•
Filing: 1971-11-05
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Granted: 1974-02-19
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Expires: 1991-11-05
Abstract
Abstract AN IMPACT RESISTANT THERMOFORMABLE COMPOSITION HAVING IMPROVED STRESS WHITENING BEHAVIOR COMPRISING A BLEND OF A THERMOPLASTIC POLYMER AND A MULTI-STAGE, SEQUENTIALLY PRODUCED POLYMER CHARACTERIZED BY: (A) A NON-ELASTOMERIC, HARD FIRST STAGE; (B) AN INTERMEDIATE ELASTOMERIC STAGE; AND (C) A FINAL, RELATIVELY HARD STAGE.
Inventors
- 👤 F Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:22
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08F; C08F285/00; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L33/18; C08L33/20; C08L51/00; C08L51/003; Y; Y10; Y10S; Y10S525/00; Y10S525/902; Y10S525/932
Claims Analysis
Total Claims: 0
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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) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |