US3798252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the addition of silicon compounds with si-bonded hydrogen to compounds with aliphatic multiple bonds
Assignee: Wacker Chemie AG
•
Filing: 1972-06-22
•
Granted: 1974-03-19
•
Expires: 1992-06-22
Abstract
Abstract A PROCESS FOR THE ADDITION OF SILICON COMPOUNDS WITH SI-BONDED HYDROGEN TO COMPOUNDS WITH ALIPHATIC MULTIPLE BONDS IN THE PRESENCE OF PLATINUM CATALYSTS WHICH ARE OBTAINED FROM THE REACTION OF CHLOROPLATINIC ACID AND KETONES.
Inventors
- 👤 S Nitzsche
- 👤 N Zeller
- 👤 I Bauer
- 👤 W Graf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:00
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/14; B; B01; B01J; B01J27/00; B01J27/06; B01J27/08; B01J27/10; C08; C08K; C08K5/00; C08K5/0091
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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |