US3264266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer prepared by reacting an acetal, propylene oxide and styrene with boron trifluoride diethyl etherate catalyst
Assignee: Bayer AG
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Filing: 1959-03-27
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Granted: 1966-08-02
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Expires: 1979-03-27
Abstract
No abstract record available.
Inventors
- 👤 Merten Rudolf
- 👤 Wagner Kuno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:08
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2642; C08G65/2645; C08G65/2654; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/56; C08G2/00; C08G2/06; C08G2/18; C08G2/22; C08G2/26; C08G4/00
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |