Patent US3458600A successfully refreshed from Google Patents.
US3458600A
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US
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Chloral treatment of conjugated diene block copolymers
Assignee: Shell USA Inc
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Filing: 1965-01-06
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Granted: 1969-07-29
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Expires: 1985-01-06
Abstract
No abstract record available.
Inventors
- 👤 Roger H Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:30
CPC Classifications
C; C08; C08G; C08G81/00; C08G81/02; C08G81/021; C08F; C08F8/00; C08F8/18
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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |