US3532644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra high molecular weight oxirane polymers by polymerization with organometallic catalysts modified by nitro compounds
Assignee: Baker Petrolite LLC
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Filing: 1967-07-24
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Granted: 1970-10-06
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Expires: 1987-07-24
Abstract
No abstract record available.
Inventors
- 👤 Franklin E Mange
- 👤 Rudolf S Buriks
- 👤 Allen R Fauke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:56
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)
US3135706A
Cited
US3135705A
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US3158581A
Cited
US3285861A
Cited
US3301796A
Cited
US3396125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |