Patent US3652483A successfully refreshed from Google Patents.
US3652483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact-resistant polyvinyl chloride composition
Assignee: Kureha Corp
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Filing: 1969-10-01
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Granted: 1972-03-28
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Expires: 1989-10-01
Abstract
Abstract IMPACT-RESISTANT POLYVINYL CHLORIDE RESIN ADDED TO MBS POLYMER COMPOSITION CONSISTING OF CROSS-LINKED MBS GRAFT COPOLYMER AND POLYMETHYLMETHACRYLATE LATEX.
Inventors
- 👤 Takashi Tanaka
- 👤 Haruhiko Yusa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:46
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08F; C08F279/00; C08F279/02; C08F279/06; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08L33/12; C08L51/00; C08L51/04
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) | 1975-03-28 | 1975-09-27 | 1976-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-28 | 1979-09-27 | 1980-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-28 | 1983-09-27 | 1984-03-28 | $7700.00 | Window Closed / Lapsed |