US3454670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polypropylene composition having improved dye receptivity containing epichlorohydrin/diamine/diphenol polycondensate
Assignee: Montedison SpA
•
Filing: 1966-05-09
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Granted: 1969-07-08
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Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Giuseppe Cantatore
- 👤 Alberto Bonvicini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:30
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0206; C08G73/0213; C08G73/022; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08L; C08L23/00; C08L23/02; C08L23/10; D; D01; D01F; D01F6/00; D01F6/44; D01F6/46; C08L71/00; C08L71/02; C08L71/03; C08L79/00; C08L79/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB644271A
Cited
US3294864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |