US3418354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing graft copolymers
Assignee: Union Carbide Corp
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Filing: 1964-12-29
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Granted: 1968-12-24
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Expires: 1984-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Marshall L Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:23
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C08; C08F; C08F230/00; C08F230/04; C08F230/08; C08F230/085; C08F283/00; C08F283/06; C08G; C08G77/00; C08G77/42; C08G77/442; C08G77/46; C10M107/00; C10M107/20; C10M107/30; C10M107/32; C10M107/34; C10M107/38; C10M107/50; C10M145/00; C10M145/18; C10M145/24; C10M145/26; C10M147/00; C10M147/04; C10M155/00; C10M155/02; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/1033; C10M2213/00; C10M2213/04; C10M2213/043; C10M2229/00; C10M2229/04; C10M2229/045; C10M2229/0455; C10N; C10N2040/00; C10N2040/20; C10N2040/46; C10N2060/00; C10N2060/06
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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |