Patents by Inventor Anthony T. Dren
Anthony T. Dren has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4400383Abstract: This invention is directed to the use of a carbazole compound 9-[3-(3,5-cis-dimethylpiperazino)propyl]carbazole, its salts, especially pharmaceutically acceptable salts, and solvates such as hydrates, alcoholates of the salts thereof as well as pharmaceutical compositions containing same in treating anxiety such as generalized anxiety disorder, etc., in humans.Type: GrantFiled: August 30, 1982Date of Patent: August 23, 1983Assignee: Burroughs Wellcome Co.Inventors: Jonathan R. T. Davidson, Anthony T. Dren
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Patent number: 4292316Abstract: A method of reducing intra-ocular pressure in mammalian patients comprising administering to a glaucoma patient a therapeutically effective amount of a compound of the formula ##STR1## wherein, in the C ring, X is CH.sub.2, S, ##STR2## or NR.sub.4 where R.sub.4 is H, loweralkyl, loweralkenyl, loweralkynyl or loweralkanoyl; n is an integer of 0 to 3; m is an integer of 0 to 3, or the C ring is a quinuclidine ring ##STR3## each R.sub.1 is loweralkyl, and when taken together, the substituents R.sub.1 R.sub.1 form oxygen; R.sub.2 is a C.sub.1 -C.sub.20 straight or branched chain alkyl, cycloalkyl, or ##STR4## wherein Y is a straight or branched chain alkylene group having from 1 to 10 carbon atoms, and each R.sub.5, R.sub.6 and R.sub.7 are the same or different members of the group consisting of H, halo or loweralkyl; R.sub.3 is H or ##STR5## wherein Y' is a straight or branched chain alkylene group having 1 to 8 carbon atoms, a is an integer from 1 to 4, b is an integer from 1 to 4, Z is CH.sub.2, O, S or NR.Type: GrantFiled: January 17, 1980Date of Patent: September 29, 1981Assignee: Abbott LaboratoriesInventors: Anthony T. Dren, Barbara A. Bopp
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Patent number: 4287192Abstract: A method of reducing intra-ocular pressure in mammalian patients comprising administering to a glaucoma patient a therapeutically effective amount of a compound of the formula ##STR1## wherein, in the C ring, X is CH.sub.2, S, ##STR2## or NR.sub.4 where R.sub.4 is H, loweralkyl, loweralkenyl, loweralkynyl or loweralkanoyl; n is an integer of 0 to 3; m is an integer of 0 to 3, or the C ring is a quinuclidine ring ##STR3## each R.sub.1 is loweralkyl, and when taken together, the substituents R.sub.1 R.sub.1 form oxygen; R.sub.2 is a C.sub.1 -C.sub.20 straight or branched chain alkyl, cycloalkyl, or ##STR4## wherein Y is a straight or branched chain alkylene group having from 1 to 10 carbon atoms, and each R.sub.5, R.sub.6 and R.sub.7 are the same or different members of the group consisting of H, halo or loweralkyl; R.sub.3 is H or ##STR5## wherein Y' is a straight or branched chain alkylene group having 1 to 8 carbon atoms, a is an integer from 1 to 4, b is an integer from 1 to 4, Z is CH.sub.2, O, S or NR.Type: GrantFiled: January 17, 1980Date of Patent: September 1, 1981Assignee: Abbott LaboratoriesInventors: Anthony T. Dren, Barbara A. Bopp
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Patent number: 4248874Abstract: A method of reducing intra-ocular pressure in mammalian patients comprising administering to a glaucoma patient a therapeutically effective amount of a compound of the formula ##STR1## wherein, in the C ring, X is CH.sub.2, S, ##STR2## or NR.sub.4 where R.sub.4 is H, loweralkyl, loweralkenyl, loweralkynyl or loweralkanoyl; n is an integer of 0 to 3; m is an integer of 0 to 3, or the C ring is a quinuclidine ring ##STR3## each R.sub.1 is loweralkyl, and when taken together, the substituents R.sub.1 R.sub.1 form oxygen; R.sub.2 is a C.sub.1 -C.sub.20 straight or branched chain alkyl, cycloalkyl, or ##STR4## wherein Y is a straight or branched chain alkylene group having from 1 to 10 carbon atoms, and each R.sub.5, R.sub.6 and R.sub.7 are the same or different members of the group consisting of H, halo or loweralkyl; R.sub.3 is H or ##STR5## wherein Y' is a straight or branched chain alkylene group having 1 to 8 carbon atoms, a is an integer from 1 to 4, b is an integer from 1 to 4, Z is CH.sub.2, O, S or NR.Type: GrantFiled: January 17, 1980Date of Patent: February 3, 1981Assignee: Abbott LaboratoriesInventors: Anthony T. Dren, Barbara A. Bopp
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Patent number: 4247557Abstract: A method of reducing intra-ocular pressure in mammalian patients comprising administering to a glaucoma patient a therapeutically effective amount of a compound of the formula ##STR1## wherein, in the C ring, X is CH.sub.2, S, ##STR2## or NR.sub.4 is H, loweralkyl, loweralkenyl, loweralkynyl or loweralkanoyl; n is an integer of 0 to 3; m is an integer of 0 to 3, or the C ring is a quinuclidine ring ##STR3## each R.sub.1 is loweralkyl, and when taken together, the substituents R.sub.1 R.sub.1 form oxygen; R.sub.2 is a C.sub.1 -C.sub.20 straight or branched chain alkyl, cycloalkyl, or ##STR4## wherein Y is a straight or branched chain alkylene group having from 1 to 10 carbon atoms, and each R.sub.5, R.sub.6 and R.sub.7 are the same or different members of the group consisting of H, halo or loweralkyl; R.sub.3 is H or ##STR5## wherein Y' is a straight or branched chain alkylene group having 1 to 8 carbon atoms, a is an integer from 1 to 4, b is an integer from 1 to 4, Z is CH.sub.2, O, S or NR.sub.9 where R.Type: GrantFiled: January 17, 1980Date of Patent: January 27, 1981Assignee: Abbott LaboratoriesInventors: Anthony T. Dren, Barbara A. Bopp
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Patent number: 4217351Abstract: A method of reducing intra-ocular pressure in mammalian patients comprising administering to a glaucoma patient a therapeutically effective amount of a compound of the formula ##STR1## wherein, in the C ring, X is CH.sub.2, S, ##STR2## or NR.sub.4 where R.sub.4 is H, loweralkyl, loweralkenyl, loweralkynyl or loweralkanoyl; n is an integer of 0 to 3; m is an integer of 0 to 3, or the C ring is a quinuclidine ring ##STR3## each R.sub.1 is loweralkyl, and when taken together, the substituents R.sub.1 R.sub.1 form oxygen; R.sub.2 is a C.sub.1 -C.sub.20 straight or branched chain alkyl, cycloalkyl, or ##STR4## wherein Y is a straight or branched chain alkylene group having from 1 to 10 carbon atoms, and each R.sub.5, R.sub.6 and R.sub.7 are the same or different members of the group consisting of H, halo or loweralkyl; R.sub.3 is H or ##STR5## wherein Y' is a straight or branched chain alkylene group having 1 to 8 carbon atoms, a is an integer from 1 to 4, b is an integer from 1 to 4, Z is CH.sub.2, O, S or NR.Type: GrantFiled: October 2, 1978Date of Patent: August 12, 1980Assignee: Abbott LaboratoriesInventors: Anthony T. Dren, Barbara A. Bopp
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Patent number: 4136183Abstract: A method of reducing intra-ocular pressure in mammalian patients comprising administering to a glaucoma patient a therapeutically effective amount of a compound of the formula ##STR1## WHEREIN, IN THE C ring, X is CH.sub.2, S, ##STR2## or NR.sub.4 where R.sub.4 is H, loweralkyl, loweralkenyl, loweralkynyl or loweralkanoyl; n is an integer of 0 to 3; m is an integer of 0 to 3, or the C ring is a quinuclidine ring ##STR3## each R.sub.1 is loweralkyl, and when taken together, the substituents R.sub.1 R.sub.1 form oxygen; R.sub.2 is a C.sub.1 -C.sub.20 straight or branched chain alkyl, cycloalkyl, or wherein Y is a straight or branched chain alkylene group having from 1 to 10 carbon atoms, and each R.sub.5, R.sub.6 and R.sub.7 are the same or different members of the group consisting of H, halo or loweralkyl; R.sub.3 is H or ##STR4## WHEREIN Y' is a straight or branched chain alkylene group having 1 to 8 carbon atoms, a is an integer from 1 to 4, b is an integer from 1 to 4, Z is CH.sub.2, O, S or NR.sub.Type: GrantFiled: August 4, 1976Date of Patent: January 23, 1979Assignee: Abbott LaboratoriesInventors: Anthony T. Dren, Barbara A. Bopp