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US3474045A
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Cross-linking epihalohydrin polymers with thiazoline-2-thiones
Assignee: Hercules LLC
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Filing: 1967-07-20
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Granted: 1969-10-21
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Expires: 1987-07-20
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Vandenberg
- 👤 William D Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:20
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/02; C08L71/03; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3135705A
Cited
US3370051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |