Patent US3562201A successfully refreshed from Google Patents.
US3562201A
Expired / Lapsed
US
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Unsaturated polyester resin/monomer moulding compositions
Assignee: British Resin Products Ltd
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Filing: 1969-03-12
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Granted: 1971-02-09
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Expires: 1989-03-12
Abstract
Abstract A PROCESS FOR THE PREPARATIONOF MOULDED ARTICLES BY MEANS OF EXTRUSION OR INJCTION MOULDING A FREE FLOWING UNSATURATED POLYESTER RESIN/MONOMER COMPOSITION, WHEREIN THE COMPOSITION COMPRISES AN UNSATURATED POLYESTER, A COPOLYMERISABLE MONOMER AND A PRIMARY ABSORBENT FILLER WHICH RELEASES THE ABSORBED UNSATURATED POLYESTER RESIN-MONOMER SYSTEM UNDER PRESSURE AND/OR SHEAR DURING THE INJECTION OR EXTRUSION MOULDING PROCESS.
Inventors
- 👤 Alan Crowe
- 👤 David Philip Fry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:00
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K7/00; C08K7/22
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |