Thermosetting moulding compositions
Abstract
Abstract A THERMOSETTING MOULDING COMPOSITION COMPRISING (A) AN UNSATURATED POLYESTER, (b) A COMPOLYMERIZABLE MONOMER, (C) A FILLER OR REINFORCING SUBSTANCE, (D) A CATALYST AND (E) A MOULD-RELEASE AGENT OR A COMBINATION THEREOF WITH A LUBRICANT (F) A COMPOUND OF THE FORMULA R2-N(-R3)-R1-N(-R4)-R5 WHEREIN R1 IS ALKYLENE HAVING 1 TO 8 CARBON ATOMS, ARYLENE HAVING 6 TO 12 CARBON ATOMS, DIARYLENE-ALKENE, DIARYLENESULPHONE OR CYCLOALKYLENE HAVING 5 TO 8 CARBON ATOMS, R2 TO R5 ARE THE SAME OR DIFFERENT AND ARE HYDROXYLTERMINATED POLY(OXYALKYLENE) GROUP DERIVED FROM ONE OR MORE ALKYLENE OXIDES EACH CONTAINING 2 TO 3 CARBON ATOMS, A PROCESS FOR ITS PREPARATION AND MOULDED BODY PREPARED THEREFROM.
Inventors
- 👤 W Busch
- 👤 S Mullner
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |