US3079210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the dyeing of copolymers of
Assignee: —
•
Filing: —
•
Granted: 1963-02-26
•
Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:47
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/649; D06P1/6495; D06P1/38; D06P1/52; D06P1/5207; D06P1/5214; D06P1/5242; D06P1/525; D06P1/5257; D06P1/653; D06P3/00; D06P3/02; D06P3/04; D06P3/24; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927; Y10S8/934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
PROCESS FOR DYEING COPOLYMER AND A BLEND CONTAINING THE SAME, SAID COPOLYMERR BEING COMPOSED OF FROM 80 TO 90% ACRYLONITRILE AND FROM 20 TO 10% OF A POLYMERIZABLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE AND VINYL-PYRIDINE, WITH A DYESTUFF SELECTED FROM THE GROUP CONSISTING OF 1:2-COBALT DYESTUFF, 1:2CHROMIUM DYESTUFF, AND ACID DYESTUFF WITHOUT METALLIZABLE GROUPS, IN SHADES FAST TO WET TREATMENTS, WHICH CONSISTS IN TREATING A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE COPOLYMER AND THE BLEND WITH A SULFORICINATE OF 80% SULFONATION DEGREE, AND CARRYING OUT THE ACTUAL DYEING IN AN ACIDIFIED MEDIUM.
Claim 2
Dependent Claim
98 words
PROCESS FOR DYEING COPOLYMER AND A BLEND CONTAINING THE SAME, SAID COPOLYMERR BEING COMPOSED OF FROM 80 TO 90% ACRYLONITRILE AND FROM 20 TO 10% OF A POLYMERIZABLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE AND VINYL-PYRIDINE, WITH A DYESTUFF SELECTED FROM THE GROUP CONSISTING OF 1:2-COBALT DYESTUFF, 1:2CHROMIUM DYESTUFF, AND ACID DYESTUFF WITHOUT METALLIZABLE GROUPS, IN SHADES FAST TO WET TREATMENTS, WHICH CONSISTS IN TREATING A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE COPOLYMER AND THE BLEND WITH A SULFORICINATE OF 80% SULFONATION DEGREE, AND CARRYING OUT THE ACTUAL DYEING IN AN ACIDIFIED MEDIUM.
References Cited (Backward Citations)
US2937067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |