US2645628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl polysiloxane compositions
Assignee: General Electric Co
•
Filing: 1951-03-30
•
Granted: 1953-07-14
•
Expires: 1971-03-30
Abstract
No abstract record available.
Inventors
- 👤 Dallas T Hurd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
C; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A RESINOUS COMPOSITION OF MATTER COMPRISING A POLYMERIZABLE MONOVALENT HYDROCARSUBSTITUTED POLYSILOXANE WHEREIN THE HYDROCARBONRADICALS CONSIST OF BOTH (A) VINYL RADICALS, AND (B) MONOVALENT RADICALS SELECTED FROM THE CLASS CONSISTING OF ALKYL AND ARYL RADICALS, ALL THE AFOREMENTIONED HYDROCARBON RADICALS BEING PRESENT IN THE RATIO OF FROM 1.2 TO 1.8 TOTAL HYDROCARBON RADICALS PER SILICON ATOM AND ARE DIRECTLY ATTACHED TO THE POLYSILOXANE SILICON ATOM AND ARE DIRECTLY CARBON-SILICON LINKAGES, THE SAID VINYL RADICALS COMPRISING FROM 1 TO 20 PER CENT OF THE TOTAL NUMBER OF SILICON-BONDED HYDROCARBON RADICALS.
Claim 2
Dependent Claim
88 words
A RESINOUS COMPOSITION OF MATTER COMPRISING A POLYMERIZABLE MONOVALENT HYDROCARSUBSTITUTED POLYSILOXANE WHEREIN THE HYDROCARBONRADICALS CONSIST OF BOTH (A) VINYL RADICALS, AND (B) MONOVALENT RADICALS SELECTED FROM THE CLASS CONSISTING OF ALKYL AND ARYL RADICALS, ALL THE AFOREMENTIONED HYDROCARBON RADICALS BEING PRESENT IN THE RATIO OF FROM 1.2 TO 1.8 TOTAL HYDROCARBON RADICALS PER SILICON ATOM AND ARE DIRECTLY ATTACHED TO THE POLYSILOXANE SILICON ATOM AND ARE DIRECTLY CARBON-SILICON LINKAGES, THE SAID VINYL RADICALS COMPRISING FROM 1 TO 20 PER CENT OF THE TOTAL NUMBER OF SILICON-BONDED HYDROCARBON RADICALS.
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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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |