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Deep-dyed nylon fiber and dyed styling yarn

Assignee: EIDP Inc
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Filing: 1973-10-31
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Granted: 1976-05-25
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Expires: 1993-10-31
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Abstract

Abstract Deep-dyed nylon fiber and dyed styling yarn which have been dyed from an aqueous dye bath having a pH of 4-7 and containing novel orange and/or compatible yellow, orange, red, blue, blue-green or green disulfonated or monosulfonated/monocarboxylated monoazo, disazo or anthraquinone acid dyes which have good application and fastness properties on deep-dyeing nylon fiber and good non-staining properties on acid-modified nylon fiber.

Inventors

  • 👤 Stanley Brooke Speck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 06:32
CPC Classifications
C; C09; C09B; C09B69/00; C09B69/02; C09B1/00; C09B1/16; C09B1/20; C09B1/26; C09B1/32; C09B1/34; C09B1/50; C09B1/52; C09B1/523; C09B1/525; C09B29/00; C09B29/24; C09B29/28; C09B29/30; C09B29/34; C09B29/36; C09B29/3604; C09B29/3647; C09B29/3652; C09B29/366; C09B31/00; C09B31/02; C09B31/06; C09B31/062; C09B31/065; D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/241; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924; Y10S8/929

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 211 words
Styling yarn containing deep-dyed nylon fiber which has been dyed from an aqueous dye bath having a pH of 4-7 and which contains dyes selected from 2-3 of the following groups, wherein M in each group is a cation selected from H, Li, Na, K, NH 4 , di(hydroxy-C 2 -3 alkyl)-ammonium and tri(hydroxy-C 2 -3 alkyl)ammonium: 1. Yellow dye of the structure ##EQU3## wherein a. Ar is ##SPC9## R 1 is Cl and R 2 is SO 3 M, b. Ar is ##SPC10## R 1 is Cl and R 2 is SO 3 M, or c. Ar is ##SPC11## R 1 is SO 3 M and R 2 is H; 2. orange dye of the structure ##SPC12## wherein R 3 is H, CH 3 or C 2 H 5 ; 3. orange dye of the structure ##SPC13## wherein R 4 is C 1 -8 alkyl 4. Red dye of the structure ##SPC14## wherein one of R 5 and R' 5 is H and the other is C 6 H 5 CONH; 5. blue dye of the structure ##SPC15## wherein R 6 is SO 3 M and R 7 is H, CH 3 , OCH 3 or Cl, or R 6 is p-NHCOCO 2 H and R 7 is H; and
Claim 2
Dependent Claim 211 words
Styling yarn containing deep-dyed nylon fiber which has been dyed from an aqueous dye bath having a pH of 4-7 and which contains dyes selected from 2-3 of the following groups, wherein M in each group is a cation selected from H, Li, Na, K, NH 4 , di(hydroxy-C 2 -3 alkyl)-ammonium and tri(hydroxy-C 2 -3 alkyl)ammonium: 1. Yellow dye of the structure ##EQU3## wherein a. Ar is ##SPC9## R 1 is Cl and R 2 is SO 3 M, b. Ar is ##SPC10## R 1 is Cl and R 2 is SO 3 M, or c. Ar is ##SPC11## R 1 is SO 3 M and R 2 is H; 2. orange dye of the structure ##SPC12## wherein R 3 is H, CH 3 or C 2 H 5 ; 3. orange dye of the structure ##SPC13## wherein R 4 is C 1 -8 alkyl 4. Red dye of the structure ##SPC14## wherein one of R 5 and R' 5 is H and the other is C 6 H 5 CONH; 5. blue dye of the structure ##SPC15## wherein R 6 is SO 3 M and R 7 is H, CH 3 , OCH 3 or Cl, or R 6 is p-NHCOCO 2 H and R 7 is H; and
Claim 3
Dependent Claim 56 words
Blue-green to green dye of the structure ##SPC16## wherein X is H or OH, R 8 is H and R 9 is C 2 H 5 , C 3 H 7 , OCH 3 or OC 2 H 5 , or R 8 is CH 3 and R 9 is CH 3 or OCH 3 .
Claim 4
Dependent Claim 56 words
Blue-green to green dye of the structure ##SPC16## wherein X is H or OH, R 8 is H and R 9 is C 2 H 5 , C 3 H 7 , OCH 3 or OC 2 H 5 , or R 8 is CH 3 and R 9 is CH 3 or OCH 3 .

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-05-25 1979-11-24 1980-05-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-05-25 1983-11-24 1984-05-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-05-25 1987-11-24 1988-05-25 $7700.00 Window Closed / Lapsed

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