US3381019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane-alcohol ethers
Assignee: Union Carbide Corp
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Filing: 1963-08-27
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Granted: 1968-04-30
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Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Edward L Morchouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:39
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; B01D19/0409; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/61; C08G77/00; C08G77/04; C08G77/22; C08G77/28; C08G77/38; C08J; C08J9/00; C08J9/0061; C10; C10M; C10M1/00; C10M1/08; C08J2375/00; C08J2375/04; C08J2483/00; C10M2201/00; C10M2201/02; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2207/00; C10M2207/04; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/04; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05; F; F02; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A SILOXANE SELECTED FROM THE GROUP CONSISTING OF (A) SILOXANES CONSISTING ESSENTIALLY OF GROUPS HAVING THE FORMULA:
Claim 2
Dependent Claim
6 words
A SILOXANE HAVING THE AVERAGE FORMULA:
References Cited (Backward Citations)
US2416504A
Cited
US2435124A
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US3044971A
Cited
US3172899A
Cited
US3067150A
Cited
US3168543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |