US3574785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane compositions containing tin compounds
Assignee: Wacker Chemical Corp
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Filing: 1968-11-06
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Granted: 1971-04-13
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Expires: 1988-11-06
Abstract
Abstract A ROOM TEMPERATURE CURABLE SILICONE COMPOSITION COMPRISING A POLYDIORGANOSILOXANE, AN ORGANOSILICON CROSS-LINKING AGENT AND AS A CATALYST A COMPOUND CONFORMING TO THE FORMULA: (R)2-SN(-X)-O-R'' WHERE R IS RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ALKARYL, ALKENYL, AND HALOALKYL, R'' IS AN ALKYL RADICAL OF FROM 1 TO 15 CARBON ATOMS AND X IS HALOGEN. THE ABOVE ROOM TEMPERATURE CURABLE COMPOSITION IS USED IN MOLD MAKING AND IN THE CONSTRUCTION INDUSTRY OF CAULKING.
Inventors
- 👤 Rajendra Nath Chadho
- 👤 Kailash Chandra Pande
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:11
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C07; C07F; C07F7/00; C07F7/22; C07F7/2224; Y; Y10; Y10S; Y10S528/00; Y10S528/901
Claims Analysis
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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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |