US2425845A
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Mixtures of polyoxyalkylene diols and methods of making such mixtures
Assignee: Carbide and Carbon Chemicals Corp
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Filing: 1945-04-21
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Granted: 1947-08-19
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Expires: 1965-04-21
Abstract
No abstract record available.
Inventors
- 👤 Walter J Toussaint
- 👤 Harvey R Fife
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:09
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/53; C; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2603; C08G65/2606; C08G65/2609; C10; C10M; C10M107/00; C10M107/20; C10M107/30; C10M107/32; C10M107/34; D06M7/00; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/1045; C10M2209/105; C10M2209/1055; C10N; C10N2020/00; C10N2020/01; C10N2020/02; C10N2020/04; C10N2040/00; C10N2040/20; C10N2040/46; C10N2070/00; D06M2200/00; D06M2200/40
Claims Analysis
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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) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |