Patent US4039529A successfully refreshed from Google Patents.
US4039529A
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Cycloaliphatic dicarbonyl containing azo dyestuffs
Assignee: Novartis AG
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Filing: 1975-09-26
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Granted: 1977-08-02
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Expires: 1995-09-26
Abstract
Abstract An azo compound free from sulfonic acid groups of the formula ##STR1## wherein D is the radical of a diazo component, A is a p-phenylene radical which may be substituted, X is an --NH-- group, a sulfur atom or an oxygen atom, Y is a cycloaliphatic radical containing up to 12 carbon atoms, X' is an --NH-- group, a sulfur atom or an oxygen atom, R 1 is an alkyl radical which may be substituted, R 2 is an alkylene radical which may be substituted and R 3 is an organic radical, and mixtures of said azo compounds with one another, with or without other azo dyestuffs.
Inventors
- 👤 Hans-Joerg Angliker
- 👤 Richard Peter
- 👤 Walter Jenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:29
CPC Classifications
C; C09; C09B; C09B31/00; C09B31/02; C09B31/04; C09B31/043
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
176 words
An azo dyestuff compound of the formula wherein D is phenyl or phenyl substituted by chloro, nitro, cyano, methylsulfonyl, aminosulfonyl, phenoxy, methoxy, trifluoromethyl, carbomethoxy, bromo, methyl or N-chloro, N,N,N-trimethylaminoacetyl; A is para-phenylene which is unsubstituted or substituted by C 1 -C 2 -alkoxy, C 1 -C 2 -alkyl, phenoxy, phenylthio, benzyl, phenyl, cyclohexyloxy, chloro, bromo, C 1 -C 12 -hydrocarbylcarbonylamino, C 1 -C 14 --hydrocarbyloxycarbonylamino, C 1 -C 15 -hydrocarbylaminocarbonylamino, formylamino, trifluoromethyl, C 1 -C 12 -hydrocarbylcarbonyl (methyl) amino, C 1 -C 6 -alkylsulfonylamino or halogenated C 1 -C 3 -hydrocarbylcarbonylamino; X and X' independently represent --O--, --S-- or --NH--; R 1 is C 1 -C 4 -alkyl that is unsubstituted or substituted by cyano, C 1 -C 4 -alkoxy, C 1 -C 10 -hydrocarbylcarbonyloxy, C 1 -C 10 -hydrocarbyloxycarbonyl, C 1 -C 10 -hydrocarbylaminocarbonyloxy, phenyl, methoxyphenylcarbonyloxy, hydroxy, or a group of the formula --X--CO--Y--CO--X'--R' 3 ; R 2 is C 1 -C 4 -alkylene, or ethyleneoxyethylene; R' 3 is alkyl of 1 to 8 carbon atoms; and the group --CO--Y--CO-- represent endomethylenetetrahydrophthalyl, hexahydrophthalyl or tetrahydrophthalyl.
Claim 2
Dependent Claim
176 words
An azo dyestuff compound of the formula wherein D is phenyl or phenyl substituted by chloro, nitro, cyano, methylsulfonyl, aminosulfonyl, phenoxy, methoxy, trifluoromethyl, carbomethoxy, bromo, methyl or N-chloro, N,N,N-trimethylaminoacetyl; A is para-phenylene which is unsubstituted or substituted by C 1 -C 2 -alkoxy, C 1 -C 2 -alkyl, phenoxy, phenylthio, benzyl, phenyl, cyclohexyloxy, chloro, bromo, C 1 -C 12 -hydrocarbylcarbonylamino, C 1 -C 14 --hydrocarbyloxycarbonylamino, C 1 -C 15 -hydrocarbylaminocarbonylamino, formylamino, trifluoromethyl, C 1 -C 12 -hydrocarbylcarbonyl (methyl) amino, C 1 -C 6 -alkylsulfonylamino or halogenated C 1 -C 3 -hydrocarbylcarbonylamino; X and X' independently represent --O--, --S-- or --NH--; R 1 is C 1 -C 4 -alkyl that is unsubstituted or substituted by cyano, C 1 -C 4 -alkoxy, C 1 -C 10 -hydrocarbylcarbonyloxy, C 1 -C 10 -hydrocarbyloxycarbonyl, C 1 -C 10 -hydrocarbylaminocarbonyloxy, phenyl, methoxyphenylcarbonyloxy, hydroxy, or a group of the formula --X--CO--Y--CO--X'--R' 3 ; R 2 is C 1 -C 4 -alkylene, or ethyleneoxyethylene; R' 3 is alkyl of 1 to 8 carbon atoms; and the group --CO--Y--CO-- represent endomethylenetetrahydrophthalyl, hexahydrophthalyl or tetrahydrophthalyl.
Claim 3
Dependent Claim
12 words
An azo compound as claimed in claim 1, of the formula ##STR39##
Claim 4
Dependent Claim
12 words
An azo compound as claimed in claim 1, of the formula ##STR40##
Claim 5
Dependent Claim
12 words
An azo compound as claimed in claim 2 of the formula ##STR41##
Claim 6
Dependent Claim
12 words
An azo compund as claimed in claim 3 of the formula ##STR42##
Claim 7
Dependent Claim
12 words
An azo dyestuff compound according to claim 1, of the formula ##STR43##
Claim 8
Dependent Claim
12 words
an azo dyestuff compound according to claim 1 of the formula ##STR44##
References Cited (Backward Citations)
US2354187A
Cited
DE1218091B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-01 | 1981-01-31 | 1981-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-01 | 1985-01-31 | 1985-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-01 | 1989-01-31 | 1989-08-02 | $7700.00 | Window Closed / Lapsed |