US3536688A
Expired / Lapsed
US
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Novel cis-polychloroprene butadienyltrialkyltin intermediates,and process for preparing said cis-polymer and intermediate
Assignee: EIDP Inc
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Filing: 1969-04-01
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Granted: 1970-10-27
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Expires: 1989-04-01
Abstract
No abstract record available.
Inventors
- 👤 Carl Albert Aufdermarsh Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:57
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08F36/14; C08F36/16; C07; C07F; C07F7/00; C07F7/22; C07F7/2208; C08C; C08C19/00; C08C19/12; C08C19/14; C08C19/30; C08C19/42; C08F236/00; C08F236/02; C08F236/04; C08F236/14; C08F236/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3067189A
Cited
US3215682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |