Patent US3958930A successfully refreshed from Google Patents.
US3958930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deep-dyed nylon fiber and dyed styling yarn
Assignee: EIDP Inc
•
Filing: 1973-10-31
•
Granted: 1976-05-25
•
Expires: 1993-10-31
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 .
References Cited (Backward Citations)
DE225319C
Cited
DE288878C
Cited
US901675A
Cited
US1408405A
Cited
GB343449A
Cited
US2065680A
Cited
US2152408A
Cited
US2773055A
Cited
US2746955A
Cited
US2776962A
Cited
US2842537A
Cited
US3023071A
Cited
US3284436A
Cited
US3420856A
Cited
US3267089A
Cited
US3436410A
Cited
US3491126A
Cited
US3485814A
Cited
US3594112A
Cited
US3485569A
Cited
US3594363A
Cited
US3676050A
Cited
NL7114009A
Cited
NL7114008A
Cited
NL7114007A
Cited
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 |