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US3385800A
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Polymerization of alkylene oxides by a catalyst system comprising organometallic compounds in combination with an oxygen-containing cocatalyst
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1959-11-20
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Granted: 1968-05-28
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Expires: 1979-11-20
Abstract
No abstract record available.
Inventors
- 👤 Furukawa Junji
- 👤 Tsuruta Teiji
- 👤 Saegusa Takeo
- 👤 Sakata Ryozo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:29
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/08; C08G65/10; C08G65/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2641614A
Cited
US2870099A
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US2870100A
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US3038863A
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US3026270A
Cited
US2989487A
Cited
US3058922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |