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US3450774A
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Hydroxyl-ended epihalohydrin polymers
Assignee: Hercules LLC
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Filing: 1968-06-11
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Granted: 1969-06-17
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Expires: 1988-06-11
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Vandenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:46
CPC Classifications
C; C08; C08L; C08L63/00; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/13; C07C43/135; C07C43/137; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/28; C08G18/40; C08G18/4009; C08G18/4081; C08G18/48; C08G18/4804; C08G18/4825; C08G18/4833; C08G18/4837; C08G18/4854; C08G18/4866; C08G18/487; C08G18/4875; C08G18/4879; C08G18/52; C08G18/64; C08G18/6415; C08G18/6423; C08G18/67; C08G18/6795; C08G59/00; C08G59/18; C08G59/40; C08G59/66; C08G63/00; C08G63/66; C08G65/00; C08G65/02; C08G65/32; C08G69/00; C08G69/40; C08G73/00; C08G73/02; C08G73/0206; C08G75/00; C08G75/02; C08L81/00; Y; Y10; Y10S; Y10S516/00; Y10S516/01
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) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |