US3169823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating polyolefin materials with werner complexes and the dyeing of same
Assignee: Individual
•
Filing: 1962-05-23
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Granted: 1965-02-16
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Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Gagliardi Domenick Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:17
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/325; D06M13/342; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/647; D06P3/00; D06P3/79; D06P3/791; D06P5/00; D06P5/22; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR IMPROVING THE ABILITY OF A PREFORMED ARTICLE OF SOLID OLEFIN POLYMER TO RETAIN ON THE SURFACE THEREOF MATERIALS APPLIED THERETO WHICH COMPRISES COATING THE SURFACE OF THE ARTICLE WITH A WERNER CHROME COMPLEX OF AN AMINO ACID HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
96 words
A PROCESS OF DYEING OLEFIN FIBERS IN DEEP SHADES WHICH ARE FAST TO LAUNDERING AND DRY-CLEANING WHICH COMPRISES: (A) CONTACTING OLEFIN FIBERS WITH A WERNER CHROME COMPLEX HAVING THE FORMULA I OF CLAIM 2, (B) HEATING THE FIBERS WHILE IN CONTACT WITH SAID CHROME COMPLEX TO A TEMPERATURE BETWEEN ABOUT 10*C. BELOW THE MELTING POINT OF SAID FIBERS AND 100*C. TO EFFECT A PERMANENT ASSOCIATON OF SAID COMPLEX WITH THE FIBERS, (C) CLEANING THE FIBERS TO REMOVE CHROME COMPLEX NOT PERMANENTLY ASSOCIATED WITH THE FIBERS, AND (D) DYEING THE FIBERS WITH A WATER-SOLUBLE ANIONIC TEXTILE DYE.
References Cited (Backward Citations)
US3023072A
Cited
US2984634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |