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US3135622A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of coating polypropylene

Assignee: Montedison SpA
•
Filing: 1959-06-22
•
Granted: 1964-06-02
•
Expires: 1979-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Ranalli Franco

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 01:28
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/02; B; B29; B29C; B29C59/00; C08J2323/00; C08J2323/02; C08J2323/10; C08J2323/12; Y; Y10; Y10S; Y10S8/00; Y10S8/09

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 40 words
A PROCESS FOR IMPROVING THE RECEPTIVITY TO COLORING MATERIALS SELECTED FROM THE GROUP CONSISTING OF INKS, DYES AND PIGMENTS OF A SHAPED ARTICLE OF POLYPROPYLENE WHICH COMPRISES (1) CONTACTING SAID SHAPED ARTICLE WITH AN ORGANIC ESTER SOLVENT OF THE FORMULA
Claim 2
Dependent Claim 40 words
A PROCESS FOR IMPROVING THE RECEPTIVITY TO COLORING MATERIALS SELECTED FROM THE GROUP CONSISTING OF INKS, DYES AND PIGMENTS OF A SHAPED ARTICLE OF POLYPROPYLENE WHICH COMPRISES (1) CONTACTING SAID SHAPED ARTICLE WITH AN ORGANIC ESTER SOLVENT OF THE FORMULA

References Cited (Backward Citations)

US2486259A Cited
US2662033A Cited
US2887526A Cited
US2882263A Cited
US2968576A Cited
US2971858A Cited
US2973241A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-02 1967-12-02 1968-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-02 1971-12-02 1972-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-02 1975-12-02 1976-06-02 $7700.00 Window Closed / Lapsed

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