US5015260A
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US
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2-alkyl-4-methoxy-5-aminophenol or salt thereof, or 2-alkyl-4-methoxy-5-substituted aminophenol or salt thereof, and dyeing composition for keratin fibers comprising the same
Assignee: Kao Corp
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Filing: 1990-07-27
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Granted: 1991-05-14
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Expires: 2010-07-27
Abstract
Abstract A 2-alkyl-4-methoxy-5-aminophenol or a salt thereof; a 2-alkyl-4-methoxy-5-nitrophenol or 2-alkyl-4-methoxy-5-nitrophenyl mesylate, each an intermediate in the preparation of the 2-alkyl-4-methoxy-5-aminophenol; and a dyeing composition for keratin fibers comprising a color-developing material and the 2-alkyl-4-methoxy-5-aminophenol or the salt thereof as a coupling agent are disclosed. Further, a 2-alkyl-4-methoxy-5-substituted aminophenol or a salt thereof; a 2-alkyl-4-methoxy-5-substituted aminophenol derivative, whcih is an intermediate in the preparation of the 2-alkyl-4-methoxy-5-substituted aminophenol; and a dyeing composition for keratin fibers comprising a color-developing material and the 2-alkyl-4-methoxy-5-substituted aminophenol or the salt thereof as a coupling agent are disclosed.
Inventors
- 👤 Tadashi Tamura
- 👤 Akira Kiyomine
- 👤 Yoshinori Nishizawa
- 👤 Hidetoshi Tagami
- 👤 Toru Yoshihara
- 👤 Jiro Kawase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:40
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/415; A61Q; A61Q5/00; A61Q5/10; C; C07; C07C; C07C217/00; C07C217/78; C07C217/80; C07C217/82; C07C217/84; C07C233/00; C07C233/01; C07C233/16; C07C233/24; C07C233/25; C07C233/29; C07C309/00; C07C309/63; C07C309/64; C07C309/65; C07C309/66; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/16; C07D263/18; C07D263/20; C07D263/22
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
23 words
A 2-alkyl-4-methoxy-5-aminophenol represented by formula (I) below or a salt thereof: ##STR11## wherein R 1 represents a substituted or unsubstituted lower alkyl group.
Claim 2
Dependent Claim
23 words
A 2-alkyl-4-methoxy-5-aminophenol represented by formula (I) below or a salt thereof: ##STR11## wherein R 1 represents a substituted or unsubstituted lower alkyl group.
Claim 3
Dependent Claim
30 words
A 2-alkyl-4-methoxy-5-nitrophenol derivative represented by formula (II): ##STR12## wherein R 1 represents a substituted or unsubstituted lower alkyl group; and R 2 represents a hydrogen atom or a mesyl group.
Claim 4
Dependent Claim
30 words
A 2-alkyl-4-methoxy-5-nitrophenol derivative represented by formula (II): ##STR12## wherein R 1 represents a substituted or unsubstituted lower alkyl group; and R 2 represents a hydrogen atom or a mesyl group.
Claim 5
Dependent Claim
26 words
A dyeing composition for keratin fibers comprising a color-developing material and said 2-alkyl-4-methoxy-5-aminophenol represented by formula (I) as claimed in claim 1 as a coupling agent.
Claim 6
Dependent Claim
36 words
A dyeing composition for keratin fibers as claimed in claim 3, wherein said color-developing material is the compound represented by formula (IX): ##STR13## wherein X represents hydrogen atom, a halogen atom, carboxyl group or acetylamino group.
Claim 7
Dependent Claim
76 words
A 2-alkyl-4-methoxy-5-substituted aminophenol represented by formula (III) below or a salt thereof: ##STR14## wherein R 1 represents a substituted or unsubstituted lower alkyl group; R 3 represents a hydrogen atom, a substituted or unsubstituted lower alkyl group or a substituted or unsubstituted hydorxyalkyl group; and R 4 represents a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted hydroxyalkyl group, a substituted or unsubstituted acetyl group, a substituted or unsubstituted benzoyl group, or mesyl group.
Claim 8
Dependent Claim
76 words
A 2-alkyl-4-methoxy-5-substituted aminophenol represented by formula (III) below or a salt thereof: ##STR14## wherein R 1 represents a substituted or unsubstituted lower alkyl group; R 3 represents a hydrogen atom, a substituted or unsubstituted lower alkyl group or a substituted or unsubstituted hydorxyalkyl group; and R 4 represents a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted hydroxyalkyl group, a substituted or unsubstituted acetyl group, a substituted or unsubstituted benzoyl group, or mesyl group.
Claim 9
Dependent Claim
64 words
A 2-alkyl-4-methoxy-5-substituted aminophenol derivative represented by formula (IV): ##STR15## wherein R 1 represents a substituted or unsubstituted lower alkyl group; and R 4 and R 4' , which may be the same or different, each represents a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted hydroxyalkyl group, a substituted or unsubstituted acetyl group, a substituted or unsubstituted benzoyl group, or mesyl group.
Claim 10
Dependent Claim
64 words
A 2-alkyl-4-methoxy-5-substituted aminophenol derivative represented by formula (IV): ##STR15## wherein R 1 represents a substituted or unsubstituted lower alkyl group; and R 4 and R 4' , which may be the same or different, each represents a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted hydroxyalkyl group, a substituted or unsubstituted acetyl group, a substituted or unsubstituted benzoyl group, or mesyl group.
Claim 11
Dependent Claim
29 words
A 2-alkyl-4-methoxy-5-substituted aminophenol derivative represented by formula (V): ##STR16## wherein R 1 represents a substituted or unsubstituted lower alkyl group and n is an integer of 2 to 4.
Claim 12
Dependent Claim
29 words
A 2-alkyl-4-methoxy-5-substituted aminophenol derivative represented by formula (V): ##STR16## wherein R 1 represents a substituted or unsubstituted lower alkyl group and n is an integer of 2 to 4.
Claim 13
Dependent Claim
27 words
A dyeing composition for keratin fibers comprising a color-developing material and said 2-alkyl-4-methoxy-5-substituted aminophenol represented by formula (III) as claimed in claim 5 as a coupling agent.
Claim 14
Dependent Claim
38 words
A dyeing composition for keratin fibers as claimed in claim 8, wherein said color-developing material is the compound represented by formula (X): ##STR17## wherein R 5 represents hydrogen atom, chlorine atom, methyl group, hydroxyethyl group or β-hydroxyethoxy group.
Claim 15
Dependent Claim
36 words
A dyeing composition for keratin fibers as claimed in claim 8, wherein said color-developing material is the compound represented by formula (IX): ##STR18## wherein X represents hydrogen atom, a halogen atom, carboxyl group or acetylamino group.
References Cited (Backward Citations)
No citation records indexed.
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| 3.5 Years (Year 4) | 1994-05-13 | 1994-11-12 | 1995-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-05-13 | 1998-11-12 | 1999-05-14 | $3760.00 | Window Closed / Lapsed |
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