US3751526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing impact resistant thermoplastic resins
Assignee: Toray Industries Inc
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Filing: 1970-09-30
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Granted: 1973-08-07
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Expires: 1990-09-30
Abstract
Abstract A LATEX, WHEREIN A DIENE TYPE RUBBER IS DISPERSED, IS ADDED TO AN UNSATURATED MONOMER, AT LEAST 20% OF WHICH COMPRISES AN AROMATIC UNSATURATED MONOMER. SEPARATION OF WATER FROM THE MIXTURE, IN WHICH THE MONOMER ACTS AS AN EXTRACTANT WITH RESPECT TO THE DIENE RUBBER, AND THEN BULK POLYMERIZING THE MIXTURE RESULTS IN THE PRODUCTION OF AN IMPACT RESISTANT RESIN HAVING MANY DESIRABLE PROPERTIES.
Inventors
- 👤 H Okasaka
- 👤 T Okamoto
- 👤 T Hirai
- 👤 M Inoue
- 👤 A Asama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:28
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |