Patent US3135622A successfully refreshed from Google Patents.
US3135622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating polypropylene
Assignee: Montedison SpA
•
Filing: 1959-06-22
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Granted: 1964-06-02
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Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 Ranalli Franco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:35
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
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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) | 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 |