US3202633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon compounds containing phosphorus and nitrogen
Assignee: Union Carbide Corp
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Filing: 1960-07-25
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Granted: 1965-08-24
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Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Fekete Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:39
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/44; C07F9/4461; C08G77/22; C08G77/30; C08G77/48; C08G77/50; C08G77/60; C10; C10M; C10M3/00; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
8 words
A SILOXANE COMPRISING GROUPS 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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |