US4074050A
Expired / Lapsed
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Diphenyl-1,3-benzoxazine-2-ones
Assignee: Hodogaya Chemical Co Ltd
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Filing: 1977-03-16
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Granted: 1978-02-14
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Expires: 1997-03-16
Abstract
Abstract A triphenylmethane compound represented by the formula (Ia) <IMAGE> (Ia) by the formula (Ib) <IMAGE> (Ib) OR A MIXTURE THEREOF, WHEREIN R1, R2, R3, R4, R5 and X are as defined hereinafter, useful as a color former.
Inventors
- 👤 Minoru Ozutsumi
- 👤 Yoshihide Miyazawa
- 👤 Masahiko Yamaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:57
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/136; C; C09; C09B; C09B11/00; C09B11/04; C09B11/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
421 words
A triphenylmethane compound represented by the formula (Ia); ##STR77## wherein R 1 and R 3 , which may be the same or different, each represents, a lower alkyl group having 1 to 4 carbon atoms, a benzyl group or a phenyl group, in which the aromatic nucleus of the benzyl and phenyl groups may be substituted with a lower alkyl group having 1 to 4 carbon atoms, a lower alkoxy group having 1 to 4 carbon atoms or a di-lower alkylamino group having 1 to 4 carbon atoms in each of the alkyl moieties thereof; R 2 and R 4 , which may be the same or different, each represents a hydrogen atom, a lower alkyl group having 1 to 4 carbon atoms, a benzyl group or a phenyl group in which the aromatic nucleus of the benzyl and phenyl groups may be substituted with a halogen atom or a di-lower alkylamino group having 1 to 4 carbon atoms in each of the alkyl moieties thereof; R 5 represents a hydrogen atom, a lower alkyl group having 1 to 4 carbon atoms, a lower alkoxy group having 1 to 4 carbon atoms, a halogen atom, a di-lower alkylamino group having 1 to 4 carbon atoms in each of the alkyl moieties thereof, a dibenzylamino group, an N-lower alkyl-N-benzyl group having 1 to 4 carbon atoms in the alkyl moiety thereof or an N-lower alkyl-N-phenylamino group having 1 to 4 carbon atoms in the alkyl moiety thereof, in which the aromatic nucleus of the benzyl and phenyl groups may be substituted with a halogen atom, a lower alkyl group having 1 to 4 carbon atoms, or a lower alkoxy group having 1 to 4 carbon atoms; and X represents a lower alkyl group having 1 to 4 carbon atoms, a lower alkenyl group having 2 to 4 carbon atoms, a cyclohexyl group, an aralkyl group having 1 to 4 carbon atoms in the alkyl moiety thereof or an aryl group, in which the aromatic nucleus of said aralkyl and aryl groups may be substituted with a lower alkyl group having 1 to 4 carbon atoms, a lower alkoxy group having 1 to 4 carbon atoms, a di-lower alkylamino group having 1 to 4 carbon atoms in each of the alkyl moieties thereof, a halogen atom, a nitro group, and when the aralkyl group is a benzyl group, the aromatic nucleus thereof may also be substituted with an N-lower alkyl-N-phenyl group having 1 to 4 carbon atoms in the N-lower alkyl moiety thereof.
Claim 2
Dependent Claim
421 words
A triphenylmethane compound represented by the formula (Ia); ##STR77## wherein R 1 and R 3 , which may be the same or different, each represents, a lower alkyl group having 1 to 4 carbon atoms, a benzyl group or a phenyl group, in which the aromatic nucleus of the benzyl and phenyl groups may be substituted with a lower alkyl group having 1 to 4 carbon atoms, a lower alkoxy group having 1 to 4 carbon atoms or a di-lower alkylamino group having 1 to 4 carbon atoms in each of the alkyl moieties thereof; R 2 and R 4 , which may be the same or different, each represents a hydrogen atom, a lower alkyl group having 1 to 4 carbon atoms, a benzyl group or a phenyl group in which the aromatic nucleus of the benzyl and phenyl groups may be substituted with a halogen atom or a di-lower alkylamino group having 1 to 4 carbon atoms in each of the alkyl moieties thereof; R 5 represents a hydrogen atom, a lower alkyl group having 1 to 4 carbon atoms, a lower alkoxy group having 1 to 4 carbon atoms, a halogen atom, a di-lower alkylamino group having 1 to 4 carbon atoms in each of the alkyl moieties thereof, a dibenzylamino group, an N-lower alkyl-N-benzyl group having 1 to 4 carbon atoms in the alkyl moiety thereof or an N-lower alkyl-N-phenylamino group having 1 to 4 carbon atoms in the alkyl moiety thereof, in which the aromatic nucleus of the benzyl and phenyl groups may be substituted with a halogen atom, a lower alkyl group having 1 to 4 carbon atoms, or a lower alkoxy group having 1 to 4 carbon atoms; and X represents a lower alkyl group having 1 to 4 carbon atoms, a lower alkenyl group having 2 to 4 carbon atoms, a cyclohexyl group, an aralkyl group having 1 to 4 carbon atoms in the alkyl moiety thereof or an aryl group, in which the aromatic nucleus of said aralkyl and aryl groups may be substituted with a lower alkyl group having 1 to 4 carbon atoms, a lower alkoxy group having 1 to 4 carbon atoms, a di-lower alkylamino group having 1 to 4 carbon atoms in each of the alkyl moieties thereof, a halogen atom, a nitro group, and when the aralkyl group is a benzyl group, the aromatic nucleus thereof may also be substituted with an N-lower alkyl-N-phenyl group having 1 to 4 carbon atoms in the N-lower alkyl moiety thereof.
Claim 3
Dependent Claim
22 words
The triphenylmethane compound as claimed in claim 1, wherein said compound is: a. 4,4-bis(4'-dimethylaminophenyl)-3-methyl-7-diethylamino-3H,1,3-benzoxazine-2-one; b. 4,4-bis(4'-dimethylaminophenyl)-3-phenyl-7-diethylamino-3H,1,3-benzoxazine-2-one; c. 4,4-bis(4'-dimethylaminophenyl)-3-(1'-naphthyl)-7-diethylamino-3H-1,3-benzoxazine-2-one; d. 4,4-bis(4'-dimethylaminophenyl)-3-cyclohexyl-7-diethylamino-3H-1,3-benzoxazine-2-one; e. 4,4-bis(4'-dimethylaminophenyl)-3-benzyl-7-diethylamino-3H,1,3-benzoxazine-2-one.
Claim 4
Dependent Claim
23 words
The triphenylmethane compound as claimed in claim 1, wherein said compound is: a. 4,4-bis(4'-dimethylaminophenyl)-3-methyl-3H-1,3-benzoxazine-2one; b. 4,4-bis(4'-dimethylaminophenyl)-3-benzyl-3H-1,3-benzoxazine-2-one; c. 4,4-bis(4'-dimethylaminophenyl)-3-allyl-3H-1,3-benzoxazine-2-one; d. 4,4-bis(4'-dimethylaminophenyl)-3-cyclohexyl-3H-1,3-benzoxazine-2-one; e. 4,4-bis(4'-dimethylaminophenyl)-3- 4'-(N-methyl-N-benzyl)-aminophenyl!-3H-1,3-benzoxazine-2-one.
Claim 5
Dependent Claim
19 words
The triphenylmethane compound as claimed in claim 1, wherein said compound is: a. 4,4-bis(4'-dimethylaminophenyl)-3-methyl-7-(N-methyl-N-benzyl)amino-3H-1,3-benzoxazine-2-one; b. 4,4-bis(4'-dimethylaminophenyl)-3-(4'-benzylphenyl)-6,7-dichloro-3H-1,3-benzoxazine-2-one, or c. 4,4-bis(4'-diethylaminophenyl)-3-(3'-nitrophenyl)-7,8-dimethyl-3H-1,3-benzoxazine-2-one.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-02-13 | 1981-08-15 | 1982-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-13 | 1985-08-15 | 1986-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-13 | 1989-08-15 | 1990-02-14 | $7700.00 | Window Closed / Lapsed |