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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
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Abstract

No abstract record available.

Inventors

  • 👤 Tessandori Marco

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:33
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.

References Cited (Backward Citations)

US2036196A Cited
US2848462A Cited
US2795477A Cited
US2900216A Cited
US2984634A Cited
US2952690A Cited
US2895967A Cited

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

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