Patent US6317775B1 successfully refreshed from Google Patents.
US3512919A
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Diglycidyl glycol treatment of polyacrylonitrile or polyvinyl chloride with polyalkyleneimine dispersed therein
Assignee: Montedison SpA
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Filing: 1966-09-28
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Granted: 1970-05-19
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Expires: 1986-09-28
Abstract
No abstract record available.
Inventors
- 👤 Vittorio Cappuccio
- 👤 Ubaldo Riboni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:12
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/08; E04C5/12; E04C5/125; D; D06; D06M; D06M13/00; D06M13/10; D06M13/11; D06M15/00; D06M15/19; D06M15/37; D06M15/55; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/5207; D06P1/5214; D06P1/5242; D06P1/64; D06P1/651; D06P1/65106; D06P1/65131; D06P3/00; D06P3/001; D06P3/79; D06P3/791; D06P5/00; D06P5/22; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2131121A
Cited
US2261294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |