Patent DE957540C successfully refreshed from Google Patents.
Patent US4198522A successfully refreshed from Google Patents.
US4198522A
Expired / Lapsed
US
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4-(Monoalkylamino)phenyl carbinols and ester derivatives
Assignee: Wyeth Holdings LLC
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Filing: 1977-09-27
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Granted: 1980-04-15
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Expires: 1997-09-27
Abstract
Abstract This disclosure describes 4-monoalkylaminophenyl carbinols (primary, secondary, and tertiary alcohols) and with derivatives and salts thereof useful as hypolipidemic and anti-atherosclerotic agents.
Inventors
- 👤 Robert G. Shepherd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:40
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04; C07C; C07C275/00; C07C275/46; C07C275/48; C07C275/54; C07C45/00; C07C45/45; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/192
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
25 words
p-Normal-alkyl (C 8 -C 19 ) aminobenzyl alcohols of the formula: ##STR5## wherein R 1 is a straight chain alkyl group having 8-19 carbon atoms.
Claim 2
Dependent Claim
25 words
p-Normal-alkyl (C 8 -C 19 ) aminobenzyl alcohols of the formula: ##STR5## wherein R 1 is a straight chain alkyl group having 8-19 carbon atoms.
Claim 3
Dependent Claim
45 words
Lower alkanoyl (C 1 -C 6 ) esters of p-normal alkyl (C 8 -C 19 ) aminobenzyl alcohols of the formula: ##STR6## wherein R 1 is a straight chain alkyl group having 8-19 carbon atoms and R 4 is lower alkanoyl having 1-6 carbon atoms.
Claim 4
Dependent Claim
45 words
Lower alkanoyl (C 1 -C 6 ) esters of p-normal alkyl (C 8 -C 19 ) aminobenzyl alcohols of the formula: ##STR6## wherein R 1 is a straight chain alkyl group having 8-19 carbon atoms and R 4 is lower alkanoyl having 1-6 carbon atoms.
Claim 5
Dependent Claim
46 words
Lower alkanoyl (C 1 -C 6 ) esters of p-branched chain alkyl (C 8 -C 19 ) aminobenzyl alcohols of the formula: ##STR7## wherein R 1 is a branched chain alkyl group having 8-19 carbon atoms and R 4 is lower alkanoyl having 1-6 carbon atoms.
Claim 6
Dependent Claim
46 words
Lower alkanoyl (C 1 -C 6 ) esters of p-branched chain alkyl (C 8 -C 19 ) aminobenzyl alcohols of the formula: ##STR7## wherein R 1 is a branched chain alkyl group having 8-19 carbon atoms and R 4 is lower alkanoyl having 1-6 carbon atoms.
Claim 7
Dependent Claim
2 words
p-Hexadecylaminobenzyl alcohol.
Claim 8
Dependent Claim
2 words
p-Hexadecylaminobenzyl alcohol.
Claim 9
Dependent Claim
3 words
p-Hexadecylaminobenzyl alcohol hydrochloride.
Claim 10
Dependent Claim
3 words
p-Hexadecylaminobenzyl alcohol hydrochloride.
Claim 11
Dependent Claim
2 words
p-Hexadecylaminobenzyl acetate.
Claim 12
Dependent Claim
2 words
p-Hexadecylaminobenzyl acetate.
Claim 13
Dependent Claim
4 words
p-(14-Methyl pentadecyl)amino benzyl alcohol.
Claim 14
Dependent Claim
4 words
p-(14-Methyl pentadecyl)amino benzyl alcohol.
Claim 15
Dependent Claim
2 words
p-Hexadecylamino-α-methylbenzyl alcohol.
Claim 16
Dependent Claim
2 words
p-Hexadecylamino-α-methylbenzyl alcohol.
Claim 17
Dependent Claim
27 words
p-Branched chain alkyl (C 8 -C 19 ) aminobenzyl alcohols of the formula: ##STR8## wherein R 1 is a branched chain alkyl group having 8-19 carbon atoms.
Claim 18
Dependent Claim
27 words
p-Branched chain alkyl (C 8 -C 19 ) aminobenzyl alcohols of the formula: ##STR8## wherein R 1 is a branched chain alkyl group having 8-19 carbon atoms.
References Cited (Backward Citations)
US2373438A
Cited
US3655734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-15 | 1983-10-15 | 1984-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-15 | 1987-10-15 | 1988-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-15 | 1991-10-15 | 1992-04-15 | $7700.00 | Window Closed / Lapsed |