US3046293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammonia catalyzed process for producing hydroxysilicon compounds
Assignee: Union Carbide Corp
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Filing: 1959-12-30
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Granted: 1962-07-24
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Expires: 1979-12-30
Abstract
No abstract record available.
Inventors
- 👤 Ronald M Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:10
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0836; C07F7/0838; C07F7/0872; C07F7/0874; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A PROCESS FOR PRODUCING DIORGANOSILOXANES REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
9 words
A PROCESS FOR PRODUCING DIORGANOSILOXANES REPRESENTED BY THE FORMULA:
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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |