US3576027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrosilation of olefins
Assignee: Texas Instruments Inc
•
Filing: 1968-07-31
•
Granted: 1971-04-20
•
Expires: 1988-07-31
Abstract
Abstract PLATINUM-SILANE CATALYST COMPOSITIONS SUITABLE FOR HYDROSILATION OF OLEFINS ARE PREPARED BY REACTING CRYSTALLINE CHLOROPLATINIC ACID WITH AN ORGANIC SILANE OR SILOXANE TO FORM A STABLE BUT HIGHLY REACTIVE PLATINUM-SILANE COMPOSITION. THE CONTACT OF OLEFINS WITH THIS COMPOSITION RESULTS IN RAPID ADDITION OF THE ORGANIC SILANE OR SIOLOXANE THERETO.
Inventors
- 👤 John Gaylord Fish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:35
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0801; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0876; C07F7/0878; C07F7/0879
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |