Patent US3657382A successfully refreshed from Google Patents.
US3657382A
Expired / Lapsed
US
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Processing aid for abs resins
Assignee: Stauffer Chemical Co
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Filing: 1970-07-01
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Granted: 1972-04-18
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Expires: 1990-07-01
Abstract
Abstract THERE IS DISCLOSED AN IMPROVED ABS, I.E. ACRYLONITRILEBUTADIENE-STYRENE, RESIN COMPOSITION HAVING IMPROVED PROCESSING CHARACTERISTICS AS A RESULT OF THE INCORPORATION THEREIN OF A PROCESSING ACID COMPRISING A PLURALITY OF PARTICLES OF POLYACRYLATE-MODIFIED POLYVINYL-CHLORIDE.
Inventors
- 👤 Adam Frank Kopacki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:50
CPC Classifications
C; C08; C08L; C08L51/00; C08L51/003; C08L55/00; C08L55/02; Y; Y10; Y10S; Y10S525/00; Y10S525/942
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) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |