Curable organopolysiloxanes
Abstract
Abstract AN ORGANOPOLYSILOXANE COMPOSITION HAVING IMPROVED FLOW CHARACTERISTICS WHICH COMPRISES AN HYDROXYL-TERMINATED ORGANOPOLYSILOXANE, CROSS-LINKING AGENTS CONTAINING AN ORGANOHYDROGENPOLYSILOXANE AND AN ORGANOSILICON COMPOUND OF THE GENERAL FORMULA R''MSI(OR)4-M IN WHICH R IS A HYDROCARBON RADICAL HAVING FROM 1 TO 10 CARBON ATOMS, R'' IS A MONOVALENT HYDROCARBON RADICAL OR A HALOGENATED MONOVALENT HYDROCARBON RADICAL HAVING UP TO 10 CARBON ATOMS AND M IS A NUMBER GREATER THAN 0 AND UP TO 3, AN ORGANOTIN CATALYST AND AN ADDITIVE WHICH REDUCES THE VISCOSITY OF THE COMPOSITION. THESE COMPOSITIONS ARE USEFUL IN THE PREPARATION OF MOLDS WHERE FLOW PROPERTIES ARE ESSENTIAL AND UPON VULCANIZATION WILL PROVIDE AN ELASTOMERIC MATERIAL HAVING IMPROVED ELONGATION AND TEAR STRENGTH.
Inventors
- 👤 C Neuroth
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |