US3833633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peroxy containing silanes
Assignee: DOW CORP Ltd
•
Filing: 1972-09-22
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Granted: 1974-09-03
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Expires: 1992-09-22
Abstract
Abstract ORGANOSILICON COMPOUNDS CONTAINING THE PEROXIDE GROUPING IN THE MOLECULE. THE COMPOUNDS HAVE THE GENERAL FORMULA RNX3-NSIR''OOR" IN WHICH R IS ALKYL OR PHENYL, X IS ALKOXY, ALKOXYALKOXY OR T-ALKYLPEROXY, N IS 0, 1 OR 2, R'' IS A SPECIFIED DIVALENT ORGANIC RADICAL AND R" IS T-ALKYL, T-ARALKYL, ACRYL OR AROYL. THE COMPOUNDS ARE USEFUL AS CURING AGENTS FOR ORGANIC RESINS, POLYMERISATION INITIATORS FOR ORGANIC MONOMERS AND AS COUPLING AGENTS FOR IMPROVING THE BONDING OF UNSATURATED ORGANIC SUBSTRATES.
Inventors
- 👤 W Owen
- 👤 B Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:00
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/54; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08F; C08F283/00; C08F283/01; C08F4/00; C08F4/28; C08F4/32; C08G; C08G77/00; C08G77/04; C08G77/14; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3854; Y10T442/3862
Claims Analysis
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References 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) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |