US3830772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermo-setting moulding compositions and processes for their manufacture
Assignee: Hoechst AG Werk Kalle Albert
•
Filing: 1972-05-18
•
Granted: 1974-08-20
•
Expires: 1992-05-18
Abstract
Abstract THERMO-SETTING MOLDING COMPOSITION COMPRISING (A) AN UNSATURATED POLYESTER, (B) A COPOLYMERISABLE VINYL MONOMER, (C) A FILLER SELECTED FROM THE GROUP CONSISTING OF AN INORGANIC, AN ORGANIC FILLER, A REINFORCING AGENT AND MIXTURES THEREOF, (D) A CATALYST AND (E) A COPOLYMER OF AMETHYLSTYRENE AND ACRYLONITRILE. A PROCESS FOR THE CONTINUOUS MANUFACTURE OF MOLDING COMPOSITIONS, AND MOLDED ARTICLES OBTAINED BY HARDENING SUCH MOLDING COMPOSITIONS.
Inventors
- 👤 W Busch
- 👤 S Mullner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:08
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |