US3472828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing fluid chloroprene polymers in the presence of dialkyl xanthogen disulfides
Assignee: EIDP Inc
•
Filing: 1967-06-16
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Granted: 1969-10-14
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Expires: 1987-06-16
Abstract
No abstract record available.
Inventors
- 👤 Franklin Luckenbill Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:33
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08F36/14; C08F36/16; C08F236/00; C08F236/02; C08F236/04; C08F236/14; C08F236/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2227517A
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US2763635A
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US2857962A
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US3107237A
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US3317451A
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US3300433A
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US3392134A
Cited
US3378538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |