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US4278599A Expired / Lapsed US ⏱️ 0.0 years remaining

Mono azo dyes from (2-alkoxy-5-alkanoylaminoanilino)alkoxy or aryloxy alkanes

Assignee: BASF Corp
•
Filing: 1979-10-18
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Granted: 1981-07-14
•
Expires: 1999-10-18
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Abstract

Abstract Disperse dyes from cyano, chloro, or bromodinitroaniline and (2'-methoxy-5'-alkanoylaminoanilino)alkoxy or aryloxy alkanes impart blue shades with excellent colorfastness properties and shade reproducibility on polyester fibers. The dyes of this invention have excellent dyeing properties by either heat fixation on polyester fibers or exhaust (boil and pressure) methods of application on acetate, triacetate, polyester, or polyamide fibers. These dyes are represented by the following general structure. ##STR1## wherein X is halogen or cyano; R 1 and R 3 are straight or branched alkyl of 1-10 carbons; R 2 is 1-4C alkyl optionally substituted with lower alkoxy or aryloxy, aryl or optionally substituted aryl; and n is an integer 1-4.

Inventors

  • 👤 Gary T. Clark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 01:01
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/06; C09B29/08; C09B29/0805; C09B29/0807; C09B29/0809; C09B29/0811; C09B29/0813

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 49 words
The dye of the formula ##STR9## wherein X is halogen or cyano; R 1 and R 3 are straight or branched alkyl of 1-10 carbons; R 2 is 1-4C alkyl which may be substituted with lower alkoxy or aryloxy, aryl or substituted aryl; and n is an integer 1-4.
Claim 2
Dependent Claim 49 words
The dye of the formula ##STR9## wherein X is halogen or cyano; R 1 and R 3 are straight or branched alkyl of 1-10 carbons; R 2 is 1-4C alkyl which may be substituted with lower alkoxy or aryloxy, aryl or substituted aryl; and n is an integer 1-4.
Claim 3
Dependent Claim 33 words
The dye according to claim 1 wherein X is Br, Cl or CN; R 1 and R 3 are methyl; R 2 is selected from 1-4C alkyl and aryl; and n is 1.
Claim 4
Dependent Claim 10 words
The dye according to claim 1 of the formula ##STR10##
Claim 5
Dependent Claim 10 words
The dye according to claim 1 of the formula ##STR11##
Claim 6
Dependent Claim 10 words
The dye according to claim 1 of the formula ##STR12##
Claim 7
Dependent Claim 10 words
The dye according to claim 1 of the formula ##STR13##

References Cited (Backward Citations)

US3122410A Cited
US3250763A Cited
US4111930A Cited
US3955919A Cited
US4083846A Cited
US4076706A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-07-13 1985-01-12 1985-07-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-07-13 1989-01-12 1989-07-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-07-13 1993-01-12 1993-07-14 $7700.00 Window Closed / Lapsed

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