Patent US2598435A successfully refreshed from Google Patents.
US2598435A
Expired / Lapsed
US
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Process for treating organoplysilanes
Assignee: General Electric Co
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Filing: 1949-08-18
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Granted: 1952-05-27
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Expires: 1969-08-18
Abstract
No abstract record available.
Inventors
- 👤 Mohler Donald
- 👤 Jesse E Sellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:04
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/121; C07F7/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
THE METHOD WHICH COMPRISES HEATING A COMPOSITION COMPRISING AS THE ESSENTIAL INGREDIENT A METHYLHALOGENOPOLYSILANE CONTAINING A SILICON-SILICON LINKAGE AND A SILICON-BONDED METHYL GROUP AT A TEMPERATURE OF AT LEAST 250* C. AND BELOW THE DECOMPOSITION POINT OF THE FORMED METHYLHALOGENOMONOSILANES.
Claim 2
Independent Claim
40 words
THE METHOD WHICH COMPRISES HEATING A COMPOSITION COMPRISING AS THE ESSENTIAL INGREDIENT A METHYLHALOGENOPOLYSILANE CONTAINING A SILICON-SILICON LINKAGE AND A SILICON-BONDED METHYL GROUP AT A TEMPERATURE OF AT LEAST 250* C. AND BELOW THE DECOMPOSITION POINT OF THE FORMED METHYLHALOGENOMONOSILANES.
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) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |