US3112159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing dye-receptive polyolefin fibres
Assignee: Montedison SpA
•
Filing: 1960-06-07
•
Granted: 1963-11-26
•
Expires: 1980-06-07
Abstract
No abstract record available.
Inventors
- 👤 Cappuccio Vittorio
- 👤 Riboni Ubaldo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:00
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/79; D06P3/791; C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; D01; D01F; D01F11/00; D01F11/04; D01F11/06; D01F6/00; D01F6/44; D01F6/46; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A METHOD FOR RENDERING POLYOLEFINS RECEPTIVE TO DYES, THIS METHOD COMPRISING MELT-MIXING SAID POLYOLEFIN WITH A DICARBOXYLIC ACID TYPE COMPOUND SELECTED FROM THE GROUP CONSISTING OF DICARBOXYLIC ACIDS AND DICARBOXYLIC ACID ANHYDRIDES AND EXTRUDING THE MIXTURE TO FORM FIBRES.
Claim 2
Independent Claim
39 words
A METHOD FOR RENDERING POLYOLEFINS RECEPTIVE TO DYES, THIS METHOD COMPRISING MELT-MIXING SAID POLYOLEFIN WITH A DICARBOXYLIC ACID TYPE COMPOUND SELECTED FROM THE GROUP CONSISTING OF DICARBOXYLIC ACIDS AND DICARBOXYLIC ACID ANHYDRIDES AND EXTRUDING THE MIXTURE TO FORM FIBRES.
References Cited (Backward Citations)
US2142007A
Cited
US2219700A
Cited
US2362375A
Cited
US2306880A
Cited
US2327705A
Cited
US2394688A
Cited
US2646339A
Cited
US2694696A
Cited
US3013998A
Cited
US2984634A
Cited
US2993018A
Cited
US3011860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |