US3598886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenated block copolymers
Assignee: GE Chemicals Inc
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Filing: 1965-09-15
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Granted: 1971-08-10
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Expires: 1985-09-15
Abstract
Abstract HYDROGENATED BLOCK COPOLYMERS OF CONJUGATED DIENES AND MONOVINYL AROMATIC COMPOUNDS ARE DESCRIBED.
Inventors
- 👤 Donald F Hoeg
- 👤 Eugene P Goldberg
- 👤 John F Pendleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:36
CPC Classifications
C; C08; C08L; C08L53/00; C08L53/02; C08L53/025; C08F; C08F297/00; C08F297/02; C08F297/04; C08F8/00; C08F8/04; C08L25/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |