US3182105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of rendering polyolefins more dye receptive by mixing with organic compoundshaving phenolic hydroxy groups
Assignee: Montedison SpA
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Filing: 1960-05-16
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Granted: 1965-05-04
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Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Bonvicini Alberto
- 👤 Caldo Cornelio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:23
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/02; D06P1/12; D06P1/122; C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; D01; D01F; D01F1/00; D01F1/02; D01F1/10; D01F6/00; D01F6/02; D01F6/04; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A METHOD OF RENDERING POLYOLEFINS DYE-RECEPTIVE WHICH COMPRISES MELT-MIXING WITH SAID POLYOLEFIN ABOUT 1-25%, BASED ON THE WEIGHT OF SAID MIXTURE OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF B-NAPHTHOL, B-HYDROXYNAPHTHOIC ACID, N-SUBSTITUTED AMIDES OF B-HYDROXYNAPHTHOIC ACID, AND SALTS THEREOF AND EXTRUDING SAID MIXTURE IN FIBRE FORM.
Claim 2
Independent Claim
49 words
A METHOD OF RENDERING POLYOLEFINS DYE-RECEPTIVE WHICH COMPRISES MELT-MIXING WITH SAID POLYOLEFIN ABOUT 1-25%, BASED ON THE WEIGHT OF SAID MIXTURE OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF B-NAPHTHOL, B-HYDROXYNAPHTHOIC ACID, N-SUBSTITUTED AMIDES OF B-HYDROXYNAPHTHOIC ACID, AND SALTS THEREOF AND EXTRUDING SAID MIXTURE IN FIBRE FORM.
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) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |