US3123432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dye leveling with znsox on textiles of
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:27
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/673; D06P1/67333; D06P1/67341; D06P1/6735; Y; Y10; Y10S; Y10S8/00; Y10S8/907; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PROCESS FOR LEVEL DYEING OF A FABRIC OF A COPOLYMER OF ACRYLONITRILE WHICH COMPRISES IMMERSING A FABRIC OF COPOLYMER OF ACRYLONITRILE AND AN ETHYLENICALLY UNSATURATED COMPOUND HAVING A MEMBER OF THE GROUP CONSISTING OF A SULFATE AND SULFONATE RADICAL, SAID RADICALS BEING PRESENT IN THE POLYMER TO THE EXTENT OF 60 MILLIEQUIVALENTS TO ABOUT 600 MILLIEQUIVALENTS PER KILOGRAM TO AN AQUEOUS BATH CONTAINING A BASIC DYESTUFF AND ZINC SULFATE, SAID ZINC SULFATE BEING PRESENT IN AN AMOUNT FROM ABOUT 0.5% TO ABOUT 20% BY WEIGHT BASED ON THE WEIGHT OF THE FIBERS TO BE DYED.
Claim 2
Dependent Claim
96 words
A PROCESS FOR LEVEL DYEING OF A FABRIC OF A COPOLYMER OF ACRYLONITRILE WHICH COMPRISES IMMERSING A FABRIC OF COPOLYMER OF ACRYLONITRILE AND AN ETHYLENICALLY UNSATURATED COMPOUND HAVING A MEMBER OF THE GROUP CONSISTING OF A SULFATE AND SULFONATE RADICAL, SAID RADICALS BEING PRESENT IN THE POLYMER TO THE EXTENT OF 60 MILLIEQUIVALENTS TO ABOUT 600 MILLIEQUIVALENTS PER KILOGRAM TO AN AQUEOUS BATH CONTAINING A BASIC DYESTUFF AND ZINC SULFATE, SAID ZINC SULFATE BEING PRESENT IN AN AMOUNT FROM ABOUT 0.5% TO ABOUT 20% BY WEIGHT BASED ON THE WEIGHT OF THE FIBERS TO BE DYED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |