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US3383448A
Expired / Lapsed
US
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Polymerization process
Assignee: Evonik Operations GmbH
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Filing: 1964-05-04
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Granted: 1968-05-14
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Bader Erich
- 👤 Unseld Werner
- 👤 Landsfeld Hans
- 👤 Morlock Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/46; B29C44/461; B29B; B29B9/00; B29B9/02; B29B9/04; C; C08; C08F; C08F2/00; C08F2/02; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F265/00; C08F265/04; C08F265/06; C08J; C08J9/00; C08J9/04; B01; B01J; B01J2219/00; B01J2219/00049; B01J2219/00162; B01J2219/00168; C08J2357/00
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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |