US3402191A
Expired / Lapsed
US
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N, n-disubstituted aminoalkylsiloxane copolymers and amine oxide, quaternary ammonium salt, and coordination compounds of transition metal derivatives thereof
Assignee: Union Carbide Corp
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Filing: 1963-08-27
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Granted: 1968-09-17
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Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Edward L Morehouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:24
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/173; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C08G77/388; C09; C09K; C09K23/00; C09K23/54; C23F11/14; C23F11/141; C23F11/142; C23F11/147; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 0
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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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |