US2777868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of vinylalkoxysilanes
Assignee: Union Carbide Corp
•
Filing: 1953-08-13
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Granted: 1957-01-15
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Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 Robert Y Mixer
- 👤 Donald L Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:06
CPC Classifications
C; C08; C08F; C08F130/00; C08F130/04; C08F130/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
IN THE POLYMERIZATION OF VINYLALKOXYSILANES IN THE PRESENCE OF AN ORGANIC PEROXIDE CONTAINING A TERTIARY BUTOXY GROUP TO FORM HOMOPOLYMERS, WHICH VINYLALKOXYSILANES HAVE THE STRUCTURE:
Claim 2
Dependent Claim
25 words
IN THE POLYMERIZATION OF VINYLALKOXYSILANES IN THE PRESENCE OF AN ORGANIC PEROXIDE CONTAINING A TERTIARY BUTOXY GROUP TO FORM HOMOPOLYMERS, WHICH VINYLALKOXYSILANES HAVE THE STRUCTURE:
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) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |