US4016191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Styryl dyestuffs
Assignee: Bayer AG
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Filing: 1975-09-24
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Granted: 1977-04-05
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Expires: 1995-09-24
Abstract
Abstract The invention relates to water-insoluble styryl dyestuffs of the formula ##STR1## wherein B is a bridge member, R is hydrogen, alkyl, aryl or the remaining members of a partially saturated ring fused to the ring a, Z is preferably CN and n denotes the numbers 3 to 5. The dyestuffs are outstandingly suitable for the dyeing of hydrophobic fiber materials in yellow shades. The dyeings are distinguished by excellent fastness to light.
Inventors
- 👤 Hermann Beecken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:05
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/14; C09B23/143; D; D06; D06P; D06P1/00; D06P1/16
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
241 words
Water-insoluble styryl dyestuff of the formula ##STR41## wherein B is C 2 -C 5 -alkylene; C 2 - to C 5 -alkylene interrupted by an oxygen atom or sulphur; or the foregoing substituted by C 1 - to C 4 -alkoxy, C 1 -C 4 -alkenyloxy, benzyloxy or phenoxy; R is H; C 1 -C 4 -alkyl; C 1 -C 4 -alkyl substituted by halogen, CN, COOH or C 1 -C 4 -alkoxy; cyclopentyl, cyclohexyl; benzyl; phenethyl; phenylpropyl; phenyl; naphthyl; or phenyl or naphthyl substituted by halogen, C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -alkylmercapto, benzyl, cyclopentyl or cyclohexyl; Z is CN, SO 2 Y, COY, CO 2 Y or CONW 1 W 2 ; Y is C 1 -C 4 -alkyl; C 1 -C 4 -alkyl substituted by halogen, CN, COOH or C 1 -C 4 -alkoxy; cyclopentyl; cyclohexyl; benzyl; phenethyl; phenylpropyl; phenyl; naphthyl; or phenyl or naphthyl substituted by halogen, C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -alkylmercapto, benzyl, cyclopentyl or cyclohexyl; W 1 and W 2 are H; methyl; ethyl; n-butyl; cyanoethyl; cyclohexyl; phenyl; chlorophenyl; 2-ethoxyphenyl; 4-t-butylphenyl; 4-cyclohexylphenyl; or -naphthyl; n is 5; and wherein the ring a is unsubstituted or substituted by halogen, C 1 - to C 3 -alkyl, C 1 to C 3 -alkoxy, C 2 to C 5 -alkanoyloxy, C 2 - to C 5 -alkanoylamino, benzoyloxy, benzoyl-amino or phenoxy.
Claim 2
Dependent Claim
241 words
Water-insoluble styryl dyestuff of the formula ##STR41## wherein B is C 2 -C 5 -alkylene; C 2 - to C 5 -alkylene interrupted by an oxygen atom or sulphur; or the foregoing substituted by C 1 - to C 4 -alkoxy, C 1 -C 4 -alkenyloxy, benzyloxy or phenoxy; R is H; C 1 -C 4 -alkyl; C 1 -C 4 -alkyl substituted by halogen, CN, COOH or C 1 -C 4 -alkoxy; cyclopentyl, cyclohexyl; benzyl; phenethyl; phenylpropyl; phenyl; naphthyl; or phenyl or naphthyl substituted by halogen, C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -alkylmercapto, benzyl, cyclopentyl or cyclohexyl; Z is CN, SO 2 Y, COY, CO 2 Y or CONW 1 W 2 ; Y is C 1 -C 4 -alkyl; C 1 -C 4 -alkyl substituted by halogen, CN, COOH or C 1 -C 4 -alkoxy; cyclopentyl; cyclohexyl; benzyl; phenethyl; phenylpropyl; phenyl; naphthyl; or phenyl or naphthyl substituted by halogen, C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -alkylmercapto, benzyl, cyclopentyl or cyclohexyl; W 1 and W 2 are H; methyl; ethyl; n-butyl; cyanoethyl; cyclohexyl; phenyl; chlorophenyl; 2-ethoxyphenyl; 4-t-butylphenyl; 4-cyclohexylphenyl; or -naphthyl; n is 5; and wherein the ring a is unsubstituted or substituted by halogen, C 1 - to C 3 -alkyl, C 1 to C 3 -alkoxy, C 2 to C 5 -alkanoyloxy, C 2 - to C 5 -alkanoylamino, benzoyloxy, benzoyl-amino or phenoxy.
Claim 3
Dependent Claim
236 words
Water-insoluble styryl dyestuff of claim 1 in which The ring a is ##STR42## B is --C 2 H 4 --, --C 3 H 6 --, C 4 H 8 --, --CH(CH 3 )CH 2 --, --CH(C 6 H 5 )CH--, --CH(CH 2 OCH 3 )CH 2 --, --CH(CH 2 OC 2 H 5 )CH 2 --, --CH(CH 2 OCH 2 CH=CH 2 )CH 2 --, --CH(CH 2 OC 6 H 5 )CH 2 -- or --CH(CH 2 OCH 2 C 6 H 5 )CH 2 --; R is CH 3 , C 2 H 5 , C 3 H 7 , C 4 H 9 , CH 2 C 6 H 5 , C 2 H 4 OCH 3 , C 2 H 4 OC 2 H 5 , C 2 H 4 CN, C 2 H 4 C 6 H 5 , CH 2 CH(C 6 H 5 )CH 3 or (CH 2 ).sub..3 C 6 H 5 ; Y 1 is hydrogen, C 1 - to C 4 -alkyl, C 1 - to C 4 -alkoxy, CF 3 , C 2 - to C 4 -alkanoylamino, phenoxy, F, Cl or Br; Y 2 is hydrogen, C 1 - to C 4 -alkyl, C 1 -C 4 -alkoxy, chlorine or bromine; Z is CN or COOY; and Y is C 1 - to C 4 -alkyl, phenyl-C 1 - to -C 3 -alkyl or cyclohexyl.
Claim 4
Dependent Claim
34 words
Water-insoluble styryl dyestuff of claim 2 in which R is methyl, ethyl, propyl, benzyl, phenethyl or phenpropyl; Y 1 is hydrogen or methyl; Y 2 is hydrogen; B is ethylene; and Z is cyano.
Claim 5
Dependent Claim
18 words
Water-insoluble styryl dyestuff of claim 1 in which R is ethyl; Z is cyano; and B is ethylene.
Claim 6
Dependent Claim
10 words
Styryl dyestuff according to claim 1, of the formula ##STR43##
Claim 7
Dependent Claim
10 words
Styryl dyestuff according to claim 1, of the formula ##STR44##
Claim 8
Dependent Claim
10 words
Styryl dyestuff according to claim 1, of the formula ##STR45##
References Cited (Backward Citations)
US3784558A
Cited
US3920720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-04 | 1980-10-04 | 1981-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-04 | 1984-10-04 | 1985-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-04 | 1988-10-04 | 1989-04-05 | $7700.00 | Window Closed / Lapsed |