US3455965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of modified homopolymers and copolymers of conjugated dienes containing epoxide groups
Assignee: Huels AG
•
Filing: 1964-07-09
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Granted: 1969-07-15
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Expires: 1984-07-09
Abstract
No abstract record available.
Inventors
- 👤 Bernhard Schleimer
- 👤 Walter Dittmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:27
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; C08C; C08C19/00; C08C19/12; C08C19/18; C08C19/28; C08K; C08K5/00; C08K5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2834790A
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US2992193A
Cited
US3030336A
Cited
DE1120137B
Cited
DE1131345B
Cited
US3098058A
Cited
US3133092A
Cited
US3253000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |