US2579416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction of gaseous ammonia with hydrocarbon silicon halides
Assignee: EDWIN L GUSTUS
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Filing: 1946-01-25
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Granted: 1951-12-18
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Expires: 1966-01-25
Abstract
No abstract record available.
Inventors
- 👤 Nicholas D Cheronis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:51
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/60; C08G77/62
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
30 words
THE METHOD OF FORMING A POLYMERIC PRODUCT, COMPRISING REACTING ANHYDROUS GASAEOUS AMMONIA WITH A MONO-ORGANISILICONTRIHALIDE IN WHICH THE ORGANIC RADICAL IS A MONOVALENT HYDROCARBON RADICAL, IN THE ABSENCE OF WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |