US3390142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of suspension polymerization of vinyl monomers
Assignee: Montedison SpA
•
Filing: 1963-09-17
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Granted: 1968-06-25
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Expires: 1983-09-17
Abstract
No abstract record available.
Inventors
- 👤 Benetta Gianni
- 👤 Cinque Gennaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:37
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08F; C08F14/00; C08F14/02; C08F14/04; C08F14/06; C08F2/00; C08F2/12; C08F2/16; C08F2/18; C08J2357/00; Y; Y10; Y10S; Y10S526/00; Y10S526/91
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |