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US4415332A
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Development of color in a polyamide textile material with aminobenzenesulfonyl azides
Assignee: Armstrong World Industries Inc
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Filing: 1982-09-30
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Granted: 1983-11-15
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Expires: 2002-09-30
Abstract
Abstract The present invention discloses a method of photolytically developing color on a polyamide textile material. The material is first contacted with an aminobenzenesulfonyl azide and then is exposed to a UV light source for an amount of time sufficient to develop a color thereon.
Inventors
- 👤 Ronald S. Lenox
- 👤 Charles E. Hoyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:12
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/20; D06P5/2011; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/248; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924; Y10S8/929
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
66 words
A method of photolytically developing color on a polyamide material, which comprises treating the material by contacting it with an aminobenzenesulfonyl azide of the formula ##STR6## wherein R is H, A C 1 -C 4 alkoxy group or a C 1 -C 4 alkyl group, or a salt thereof, and exposing the treated material to a UV light source to thereby develop color on the material.
Claim 2
Independent Claim
66 words
A method of photolytically developing color on a polyamide material, which comprises treating the material by contacting it with an aminobenzenesulfonyl azide of the formula ##STR6## wherein R is H, A C 1 -C 4 alkoxy group or a C 1 -C 4 alkyl group, or a salt thereof, and exposing the treated material to a UV light source to thereby develop color on the material.
Claim 3
Dependent Claim
15 words
The method of claim 1 wherein the aminobenzenesulfonyl azide or its salt is in solution.
Claim 4
Dependent Claim
25 words
The method of claim 1 wherein the solution contains from 0.001 to 10 grams of the azide or its salt per 100 ml of solvent.
Claim 5
Dependent Claim
18 words
The method of claim 1 wherein the material is contacted with an aqueous solution of the aminobenzenesulfonyl salt.
Claim 6
Dependent Claim
16 words
The method of claim 1 wherein the pH of the solution is less than about 2.
Claim 7
Dependent Claim
14 words
The method of claim 1 wherein the material is contacted with aminobenzenesulfonyl hydrochloride salt.
Claim 8
Dependent Claim
9 words
The method of claim 5 wherein R represents H.
Claim 9
Dependent Claim
11 words
The method of claim 5 wherein R represents OCH 3 .
References Cited (Backward Citations)
US4322211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-14 | 1987-05-16 | 1987-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-14 | 1991-05-16 | 1991-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-14 | 1995-05-16 | 1995-11-15 | $7700.00 | Window Closed / Lapsed |