US2902506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methyldihalogenosilane preparation
Assignee: General Electric Co
•
Filing: 1956-04-18
•
Granted: 1959-09-01
•
Expires: 1976-04-18
Abstract
No abstract record available.
Inventors
- 👤 Alfred R Gilbert
- 👤 Glenn D Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:16
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/121; C07F7/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
THE PROCESS OF FORMING METHYLDICHLOROSILANE WHICH CONSISTS ESSENTIALLY OF EFFECTING REACTION IN THE PRESENCE OF ALUMINUM CHLORIDE BETWEEN METHYLTRICHLOROSILANE AND A PREFORMED SILICON COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
27 words
THE PROCESS OF FORMING METHYLDICHLOROSILANE WHICH CONSISTS ESSENTIALLY OF EFFECTING REACTION IN THE PRESENCE OF ALUMINUM CHLORIDE BETWEEN METHYLTRICHLOROSILANE AND A PREFORMED SILICON COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2786861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |