US4139532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-Acylaminonaphthalimides
Assignee: BASF SE
•
Filing: 1976-05-14
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Granted: 1979-02-13
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Expires: 1996-05-14
Abstract
Abstract Compounds of the formula: <IMAGE> in which one R is identical with or different from the other R and each is alkyl, hydroxyalkyl, alkoxyalkyl, haloalkyl, cycloalkyl, aralkyl, aryl, N,N-dialkylaminoalkyl or quaternized N,N-dialkylaminoalkyl; A is <IMAGE> or <IMAGE> R1 is hydrogen, substituted or unsubstituted alkyl, cycloalkyl, aralkyl, aryl or heteroaryl; B is -CH=CH-, -CCl=CH-, -CCl=CCl-, -CH=CBr+13, -CH2-CH2-, 1,2-phenylene, 1,8-naphthylene or 1,2-phenylene or 1,8-naphthylene bearing chloro, bromo, methoxy or ethoxy as a substituent; and T is acyl.
Inventors
- 👤 Horst Scheuermann
- 👤 Albert Hettche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:24
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/04; C07D221/06; C07D221/14
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
70 words
A compound of the formula: ##STR187## in which one R is identical with or different from the other R and each is alkyl of one to six carbon atoms or alkoxyalkyl of one to four carbon atoms in the alkoxy and two to six carbon atoms in the alkyl; R 1 is branched alkyl of three to six carbon atoms; and T is alkanoyl of one to six carbon atoms.
Claim 2
Dependent Claim
70 words
A compound of the formula: ##STR187## in which one R is identical with or different from the other R and each is alkyl of one to six carbon atoms or alkoxyalkyl of one to four carbon atoms in the alkoxy and two to six carbon atoms in the alkyl; R 1 is branched alkyl of three to six carbon atoms; and T is alkanoyl of one to six carbon atoms.
Claim 3
Dependent Claim
11 words
A compound as claimed in claim 1 of the formula ##STR188##
Claim 4
Dependent Claim
11 words
A compound as claimed in claim 1 of the formula ##STR189##
Claim 5
Dependent Claim
16 words
A compound as claimed in claim 1 in which R is methyl or ethyl; and ##STR190##
Claim 6
Dependent Claim
18 words
A compound as claimed in claim 1 in which R is alkyl of one to four carbon atoms.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-02-12 | 1982-08-14 | 1983-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-12 | 1986-08-14 | 1987-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-12 | 1990-08-14 | 1991-02-13 | $7700.00 | Window Closed / Lapsed |