US3065158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of vulcanizing organosiloxanes
Assignee: Dow Silicones Corp
•
Filing: 1958-01-27
•
Granted: 1962-11-20
•
Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Zack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:47
CPC Classifications
B; B29; B29C; B29C71/00; B29C71/04; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0844; B29C2035/085; B29K; B29K2083/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF CURING SILOXANES COMPRISING SUBJECTING A SILOXANE CONTAINING AS FUNCTIONAL GROUPS BOTH SILICONBONDED VINYL GROUPS AND SILICON-BONDED HYDROGEN ATOMS, AT LEAST ONE MOLECULAR SPECIES IN SAID SILOXANE BEING AT LEAST TRIFUCTIONAL, THERE BEING AN AVERAGE OF AT LEAST 0.18 SILICON-BONDED HYDROGEN ATOMS PER SILICON-BONDED VINYL GROUP, ANY REMAINING GROUPS ATTACHED TO THE SILICON ATOMS IN SAID SILOXANE BEING ESSENTIALLY ALL OF THE GROUP CONSISTING OF HYDROCARBON AND HALOGENATED HYDROCARBON RADICALS, TO IONIZING RADIATION HAVING AN ENERGY EQUIVALENT TO AT LEAST 100,000 ELECTRON VOLTS UNTIL THE DESIRED CURE OF THE SILOXANE IS OBTAINED.
Claim 2
Independent Claim
94 words
A METHOD OF CURING SILOXANES COMPRISING SUBJECTING A SILOXANE CONTAINING AS FUNCTIONAL GROUPS BOTH SILICONBONDED VINYL GROUPS AND SILICON-BONDED HYDROGEN ATOMS, AT LEAST ONE MOLECULAR SPECIES IN SAID SILOXANE BEING AT LEAST TRIFUCTIONAL, THERE BEING AN AVERAGE OF AT LEAST 0.18 SILICON-BONDED HYDROGEN ATOMS PER SILICON-BONDED VINYL GROUP, ANY REMAINING GROUPS ATTACHED TO THE SILICON ATOMS IN SAID SILOXANE BEING ESSENTIALLY ALL OF THE GROUP CONSISTING OF HYDROCARBON AND HALOGENATED HYDROCARBON RADICALS, TO IONIZING RADIATION HAVING AN ENERGY EQUIVALENT TO AT LEAST 100,000 ELECTRON VOLTS UNTIL THE DESIRED CURE OF THE SILOXANE IS OBTAINED.
References Cited (Backward Citations)
US2763609A
Cited
US2766220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |