US2709176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleavage of organohalogenopolysilanes
Assignee: General Electric Co
•
Filing: 1954-03-12
•
Granted: 1955-05-24
•
Expires: 1974-03-12
Abstract
No abstract record available.
Inventors
- 👤 Ben A Bluestein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:51
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/121; C07F7/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE PROCESS FOR OBTAINING ORGANOHALOGENOMONOSILANES FROM ORGANOHALOGENOPOLYSILANES IN WHICH THE ORGANIC GROUPS ARE MONOVALVENT HYDROCARBON RADICALS ATTACHED DIRECTLY TO SILICON BY CARBON-SILICON LINKAGES, WHICH COMPRISES TREATING THE LATTER WITH A HYDROGEN HALIDE IN THE PRESENCE OF AN ORGANIC AMINE COMPOUND SELECTED FROM THE CLASS CONSISTING OF (1) HETEROCYCLIC TERTIARY ORGANIC AMINES, (2) TERTIARY ORGANIC AMINES HAVING THE FORMULA R3N, WHERE R IS A MEMBER SELECTED FROM THE CLASS CONSISTING OF ARYL AND ALKYL GROUPS, AND (3) SALTS OF THE TERTIARY AMINES OF (1) AND (2).
Claim 2
Dependent Claim
85 words
THE PROCESS FOR OBTAINING ORGANOHALOGENOMONOSILANES FROM ORGANOHALOGENOPOLYSILANES IN WHICH THE ORGANIC GROUPS ARE MONOVALVENT HYDROCARBON RADICALS ATTACHED DIRECTLY TO SILICON BY CARBON-SILICON LINKAGES, WHICH COMPRISES TREATING THE LATTER WITH A HYDROGEN HALIDE IN THE PRESENCE OF AN ORGANIC AMINE COMPOUND SELECTED FROM THE CLASS CONSISTING OF (1) HETEROCYCLIC TERTIARY ORGANIC AMINES, (2) TERTIARY ORGANIC AMINES HAVING THE FORMULA R3N, WHERE R IS A MEMBER SELECTED FROM THE CLASS CONSISTING OF ARYL AND ALKYL GROUPS, AND (3) SALTS OF THE TERTIARY AMINES OF (1) AND (2).
References Cited (Backward Citations)
US2681355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |