US3092435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of dyeing polyethylene and polypropylene materials
Assignee: ACNA Chimica Organica SpA
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Filing: 1960-05-09
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Granted: 1963-06-04
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Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Tessandori Marco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:49
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/56; C09B1/58; C09B1/16; C09B1/20; C09B1/26; C09B1/32; C09B1/50; C09B1/51; C09B1/515; D; D06; D06P; D06P3/00; D06P3/79; D06P3/794
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A METHOD FOR THE DIRECT DYEING OF A SYNTHETIC MATERIAL OBTAINED BY POLYMERIZING A MONO-OLEFINIC HYDROCARBON, THIS PROCESS CONSISTING ESSENTIALLY OF TREATING A SHAPED ARTICLE OF SAID MATERIAL WITH AN ANTHRAQUINONE DYE CONTAINING AN ALPHA SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF ALKYLAMINO AND CYCLOALKYLAMINO GROUPS, THE ALKYL PORTION THEREOF CONTAINING FROM 2 TO 18 CARBON ATOMS.
Claim 2
Independent Claim
57 words
A METHOD FOR THE DIRECT DYEING OF A SYNTHETIC MATERIAL OBTAINED BY POLYMERIZING A MONO-OLEFINIC HYDROCARBON, THIS PROCESS CONSISTING ESSENTIALLY OF TREATING A SHAPED ARTICLE OF SAID MATERIAL WITH AN ANTHRAQUINONE DYE CONTAINING AN ALPHA SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF ALKYLAMINO AND CYCLOALKYLAMINO GROUPS, THE ALKYL PORTION THEREOF CONTAINING FROM 2 TO 18 CARBON ATOMS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |