US2499009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorosilanes
Assignee: Linde Air Products Co
•
Filing: 1947-02-15
•
Granted: 1950-02-28
•
Expires: 1967-02-15
Abstract
No abstract record available.
Inventors
- 👤 George H Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:05
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/08; C01B33/04; C01B33/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A PROCESS FOR THE PRODUCTION OF CHLOROSILANES COMPRISING THE STEPS OF HEATING A COPPER HALIDE WITH SILICON SO AS TO REDUCE THE HALIDE AND FORM A SILICON-COPPER MIXTURE, REACTING SAID MIXTURE WITH HYDROGEN CHLORIDE, AND RECOVERING A CHLOROSILANE.
Claim 2
Dependent Claim
38 words
A PROCESS FOR THE PRODUCTION OF CHLOROSILANES COMPRISING THE STEPS OF HEATING A COPPER HALIDE WITH SILICON SO AS TO REDUCE THE HALIDE AND FORM A SILICON-COPPER MIXTURE, REACTING SAID MIXTURE WITH HYDROGEN CHLORIDE, AND RECOVERING A CHLOROSILANE.
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) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |