Patents by Inventor Leslie J. Browne
Leslie J. Browne 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: 5473078Abstract: The invention is concerned with aromatase inhibiting compounds of formula I ##STR1## wherein R and Ro represent hydrogen or lower alkyl; or R and Ro located on adjacent carbon atoms and together when combined with the benzene ring to which they are attached form a naphthalene or tetrahydronaphthalene ring; R.sub.1 and R.sub.2 independently represent hydrogen, lower alkyl, (lower alkyl, aryl or aryl-lower alkyl)-thio, lower alkenyl, aryl, aryl-lower alkyl, C.sub.3 -C.sub.6 -cycloalkyl, or C.sub.3 -C.sub.6 -cycloalkyl-lower alkyl; or R.sub.1 and R.sub.2 combined represent lower alkylidene, mono- or di-aryl-lower alkylidene; R.sub.1 and R.sub.2 combined also represent C.sub.4 -C.sub.6 -straight chain alkylene, lower alkyl-substituted straight chain alkylene or ortho-phenylene bridged-C.sub.2 -C.sub.Type: GrantFiled: July 14, 1994Date of Patent: December 5, 1995Assignee: Ciba-Geigy CorporationInventors: Robert M. Bowman, Leslie J. Browne
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Patent number: 5428160Abstract: Disclosed are compounds of formula I ##STR1## wherein R.sub.1 represents hydrogen, lower alkyl, substituted lower alkyl, nitro, halogen, free, etherified or esterified hydroxy, free, etherified, oxidised etherified or esterified mercapto, unsubstituted, mono- or disubstituted amino, ammonio, free or functionally modified sulfo, free or functionally modified formyl, C.sub.2 -C.sub.20 -acyl, cyano, free or functionally modified carboxy; and R.sub.2 represents hydrogen, lower alkyl, substituted lower alkyl, halogen; free, etherified or esterified hydroxy; free, etherified, oxidised etherified or esterified mercapto; free or functionally modified carboxy, or acyl; the 7,8-dihydro derivatives thereof; and compounds of the formula I* ##STR2## wherein n denotes 0, 1, 2, 3, or 4, and R.sub.1 and R.sub.2 are as defined above under formula I and salts thereof; e.g. as aromatase inhibitors; pharmaceutical compositions containing these compounds; the use of these compounds for the treatment of conditions responsive to e.Type: GrantFiled: December 21, 1990Date of Patent: June 27, 1995Assignee: Ciba-Geigy CorporationInventor: Leslie J. Browne
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Patent number: 5352795Abstract: The invention is concerned with aromatase inhibiting compounds of formula I ##STR1## wherein R and Ro represent hydrogen or lower alkyl; or R and Ro located on adjacent carbon atoms and together when combined with the benzene ring to which they are attached form a naphthalene or tetrahydronaphthalene ring; R.sub.1 and R.sub.2 independently represent hydrogen, lower alkyl, (lower alkyl, aryl or aryl-lower alkyl)-thio, lower alkenyl, aryl, aryl-lower alkyl, C.sub.3 -C.sub.6 -cycloalkyl, or C.sub.3 -C.sub.6 -cycloalkyl-lower alkyl; or R.sub.1 and R.sub.2 combined represent lower alkylidene, mono-or di-aryl-lower alkylidene; R.sub.1 and R.sub.2 combined also represent C.sub.4 -C.sub.6 -straight chain alkylene, lower alkyl-substituted straight chain alkylene or ortho-phenylene bridged-C.sub.2 -C.sub.Type: GrantFiled: May 11, 1992Date of Patent: October 4, 1994Assignee: Ciba-Geigy CorporationInventors: Robert M. Bowman, Leslie J. Browne
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Patent number: 5112845Abstract: The invention is concerned with aromatase inhibiting compounds of formula I ##STR1## wherein R and Ro represent hydrogen or lower alkyl; or R and Ro located on adjacent carbon atoms and together when combined with the benzene ring to which they are attached form a naphthalene or tetrahydronaphthalene ring; R.sub.1 and R.sub.2 independently represent hydrogen, lower alkyl, (lower alkyl, aryl or aryl-lower alkyl)-thio, lower alkenyl, aryl, aryl-lower alkyl, C.sub.3 -C.sub.6 -cycloalkyl, or C.sub.3 -C.sub.6 -cycloalkyl-lower alkyl; or R.sub.1 and R.sub.2 combined represent lower alkylidene, mono- or di-aryl-lower alkylidene; R.sub.1 and R.sub.2 combined also represent C.sub.4 -C.sub.6 -straight chain alkylene, lower alkyl-substituted straight chain alkylene or ortho-phenylene bridged-C.sub.2 -C.sub.Type: GrantFiled: December 17, 1990Date of Patent: May 12, 1992Assignee: Ciba-Geigy CorporationInventors: Robert M. Bowman, Ronald E. Steele, Leslie J. Browne, Bruce H. Ewald, Robert Diener
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Patent number: 5071861Abstract: The invention is concerned with aromatase inhibiting compounds of formula I ##STR1## wherein R and Ro represent hydrogen or lower alkyl; or R and Ro located on adjacent carbon atoms and together when combined with the benzene ring to which they are attached form a naphthalene or tetrahydronaphthalene ring; R.sub.1 and R.sub.2 independently represent hydrogen, lower alkyl, (lower alkyl, aryl or aryl-lower alkyl)-thio, lower alkenyl, aryl, aryl-lower alkyl, C.sub.3 -C.sub.6 -cycloalkyl, or C.sub.3 -C.sub.6 -cycloalkyl-lower alkyl; or R.sub.1 and R.sub.2 combined represent lower alkylidene, mono- or di-aryl-lower alkylidene; R.sub.1 and R.sub.2 combined also represent C.sub.4 -C.sub.6 -straight chain alkylene, lower alkyl-substituted straight chain alkylene or ortho-phenylene bridged-C.sub.2 -C.sub.Type: GrantFiled: April 18, 1990Date of Patent: December 10, 1991Assignee: Ciba-Geigy CorporationInventors: Robert M. Bowman, Ronald E. Steele, Leslie J. Browne
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Patent number: 4937250Abstract: The invention is concerned with aromatase inhibiting compounds of formula I ##STR1## wherein R and Ro represent hydrogen or lower alkyl; or R and Ro located on adjacent carbon atoms and together when combined with the benzene ring to which they are attached form a naphthalene or tetrahydronaphthalene ring; R.sub.1 and R.sub.2 independently represent hydrogen, lower alkyl, (lower alkyl, aryl or aryl-lower alkyl)-thio, lower alkenyl, aryl, aryl-lower alkyl, C.sub.3 -C.sub.6 -cycloalkyl, or C.sub.3 -C.sub.6 -cycloalkyl-lower alkyl; or R.sub.1 and R.sub.2 combined represent lower alkylidene, mono- or di-aryl-lower alkylidene; R.sub.1 and R.sub.2 combined also represent C.sub.4 -C.sub.6 -straight chain alkylene, lower alkyl-substituted straight chain alkylene or ortho-phenylene bridged-C.sub.2 -C.sub.Type: GrantFiled: March 7, 1988Date of Patent: June 26, 1990Assignee: Ciba-Geigy CorporationInventors: Robert M. Bowman, Ronald E. Steele, Leslie J. Browne
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Patent number: 4889861Abstract: Disclosed are compounds of formula I ##STR1## wherein R.sub.1 represents hydrogen, lower alkyl, substituted lower alkyl, nitro, halogen, free, etherified or esterified hydroxy, free, etherified, oxidized etherified or esterified mercapto, unsubstituted, mono- or disubstituted amino, ammonio, free or functionally modified sulfo, free or functionally modified formyl, C.sub.2 --C.sub.20 -acyl, cyano, free or functionally modified carboxy; and R.sub.2 represents hydrogen, lower alkyl, substituted lower alkyl, halogen; free, etherified or esterified hydroxy; free, etherified, oxidized etherified or esterified mercapto; free or functionally modified carboxy, or acyl; the 7,8-dihydro derivatives thereof; and compounds of the formula I* ##STR2## wherein n denotes 0, 1, 2, 3 or 4, and R.sub.1 and R.sub.2 are as defined above under formula I and salts thereof; e.g. as aromatase inhibitors; pharmaceutical compositions containing these compounds; the use of these compounds for the treatment of conditions responsive to e.Type: GrantFiled: November 13, 1987Date of Patent: December 26, 1989Assignee: Ciba-Geigy Corp.Inventor: Leslie J. Browne
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Patent number: 4749713Abstract: The invention is concerned with aromatase inhibiting compounds of formula I ##STR1## where R and Ro represent hydrogen or lower alkyl; or R and Ro located on adjacent carbon atoms and together when combined with the benzene ring to which they are attached form a naphthalene or tetrahydronaphthalene ring; R.sub.1 and R.sub.2 independently represent hydrogen, lower alkyl, (lower alkyl, aryl or aryl-lower alkyl)-thio, lower alkenyl, aryl, aryl-lower alkyl, C.sub.3 -C.sub.6 -cycloalkyl, or C.sub.3 -C.sub.6 -cycloalkyl-lower alkyl; or R.sub.1 and R.sub.2 combined represent lower alkylidene, mono- or di-aryl-lower alkylidene; R.sub.1 and R.sub.2 combined also represent C.sub.4 -C.sub.6 -straight chain alkylene, lower alkyl-substituted straight chain alkylene or ortho-phenylene bridged-C.sub.2 -C.sub.Type: GrantFiled: March 7, 1986Date of Patent: June 7, 1988Assignee: Ciba-Geigy CorporationInventors: Robert M. Bowman, Ronald E. Steele, Leslie J. Browne
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Patent number: 4728645Abstract: Disclosed are compounds of formula I ##STR1## wherein R.sub.1 represents hydrogen, lower alkyl, substituted lower alkyl, nitro, halogen, free, etherified or esterified hydroxy, free, etherified, oxidized etherified or esterified mercapto, unsubstituted, mono- or disubstituted amino, ammonio, free or functionally modified sulfo, free or functionally modified formyl, C.sub.2 -C.sub.20 -acyl, cyano, free or functionally modified carboxy; and R.sub.2 represents hydrogen, lower alkyl, substituted lower alkyl, halogen; free, etherified or esterified hydroxy; free, etherified, oxidized etherified or esterified mercapto; free or functionally modified carboxy, or acyl; the 7,8-dihydro derivatives thereof; and compounds of the formula I* ##STR2## wherein n denotes 0, 1, 2, 3 or 4, and R.sub.1 and R.sub.2 are as defined above under formula I and salts thereof; e.g. as aromatase inhibitors; pharmaceutical compositions containing these compounds; the use of these compounds for the treatment of conditions responsive to e.Type: GrantFiled: February 4, 1986Date of Patent: March 1, 1988Assignee: Ciba-Geigy CorporationInventor: Leslie J. Browne
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Patent number: 4617307Abstract: Compounds of the formula ##STR1## wherein R.sub.1 represents cyano, nitro or C.sub.1 -C.sub.4 -alkyl or the 7,8-dihydro derivative thereof or the 5,6,7,8 tetrahydro derivative of the formula ##STR2## wherein R.sub.1 is as defined under formula Ia and R.sub.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, halogen etherified or esterified hydroxy or mercapto, carboxy-C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxycarbonyl-C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkanoyl, to stereoisomers, mixtures of these stereoisomers and salts of these compounds are disclosed as well as their preparation, pharmaceutical compositions containing the same and the use thereof as inhibitors of aromatase activity.Type: GrantFiled: June 20, 1984Date of Patent: October 14, 1986Assignee: Ciba-Geigy CorporationInventor: Leslie J. Browne
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Patent number: 4588732Abstract: Disclosed are compounds of the formula I ##STR1## or a 5,6,7,8-tetrahydro derivative thereof, wherein R.sub.1 is hydrogen, halogen, lower alkyl, lower alkoxy, hydroxy, or aryl-lower alkoxy in which aryl represents phenyl or phenyl substituted by lower alkoxy, lower alkyl, halogen or trifluoromethyl; R.sub.Type: GrantFiled: December 21, 1982Date of Patent: May 13, 1986Assignee: Ciba-Geigy CorporationInventor: Leslie J. Browne
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Patent number: 4536505Abstract: Disclosed are compounds of formula I ##STR1## wherein Ar is 3- or 4-pyridyl or 3- or 4-pyridyl substituted by lower alkyl;R.sub.1 is hydrogen, halogen, trifluoromethyl, lower alkyl, hydroxy, acylated or etherified hydroxy, lower alkyl-(thio, sulfinyl or sulfonyl), or two of R.sub.1 on adjacent carbon atoms represent alkylenedioxy;p is 1 or 2;R.sub.2 represents hydrogen or lower alkyl; one of R.sub.3 and R.sub.4 represents hydrogen and the other of R.sub.3 and R.sub.Type: GrantFiled: May 17, 1983Date of Patent: August 20, 1985Assignee: Ciba-Geigy CorporationInventor: Leslie J. Browne
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Patent number: 4470986Abstract: Disclosed are e.g. 5-(tetrazolylalkyl, hydroxycarbamoylalkyl)imidazo[1,5-a]-pyridines, and methods of synthesis. Said compounds are useful as selective thromboxane synthetase inhibitors for the treatment of diseases such as cerebral ischaemia, shock, thrombosis and ischaemic heart disease.Type: GrantFiled: December 21, 1982Date of Patent: September 11, 1984Assignee: Ciba-Geigy CorporationInventor: Leslie J. Browne
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Patent number: 4296115Abstract: Secondary hydroxypyridylalkylamines, e.g., those of the formula ##STR1## and acid addition salts thereof are cardioprotective, e.g., antiischemic agents.Type: GrantFiled: May 1, 1980Date of Patent: October 20, 1981Assignee: Ciba-Geigy CorporationInventor: Leslie J. Browne