Patents by Inventor Barry P. Clark

Barry P. Clark 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).

  • Patent number: 5580900
    Abstract: A compound of the formula: ##STR1## in which each R.sup.1 to R.sup.4 group is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkoxy-carbonyl, halo, hydroxy, nitro, cyano, trihalomethyl or optionally substituted phenyl, each R.sup.5 to R.sup.16 group is hydrogen or C.sub.1-4 alkyl, each Z', Z", Z'" and Z"" group is an alkylene radical, and X and Y are each --(CH.sub.2).sub.n -- or --(CH.sub.2).sub.m --A--(CH.sub.2).sub.p -- where A is --CH.dbd.CH--, optionally substituted phenylene or optionally substituted naphthalenyl, n is 2 to 10, and m and p are each 1 or 2, salts thereof, and intermediates for the production thereof.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: December 3, 1996
    Assignee: Lilly Industries Limited
    Inventors: Barry P. Clark, John R. Harris
  • Patent number: 5574158
    Abstract: A compound of the formula: ##STR1## in which each R.sup.1 to R.sup.4 group is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkoxy-carbonyl, halo, hydroxy, nitro, cyano, trihalomethyl or optionally substituted phenyl, each R.sup.5 to R.sup.16 group is hydrogen or C.sub.1-4 alkyl, each Z', Z", Z'" and Z"" group is an alkylene radical, and X and Y are each --(CH.sub.2).sub.n -- or --(CH.sub.2).sub.m --A--(CH.sub.2).sub.p -- where A is --CH.dbd.CH--, optionally substituted phenylene or optionally substituted naphthalenyl, n is 2 to 10, and m and p are each 1 or 2, salts thereof, and intermediates for the production thereof.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: November 12, 1996
    Assignee: Lilly Industries Limited
    Inventors: Barry P. Clark, John R. Harris
  • Patent number: 5428065
    Abstract: Pharmaceutical compounds of the formula: ##STR1## R.sup.1 to R.sup.8 are each hydrogen or C.sub.1-4 alkyl, m, n and p are each 0, 1, or 2, q is 0, 1, 2 or 3, X and Z are each C.sub.1-4 alkyl, C.sub.1-4 alkoxy, hydroxy, nitro, cyano, halo, trihalomethyl, carboxy, C.sub.1-4 alkoxy-carbonyl or phenyl, and in addition z, together with the phenyl ring to which it is attached, can be: ##STR2## Y is --O--, --S-- or --CH.sub.2 --, V is --(CH.sub.2).sub.r -- or --(CH.sub.2).sub.r S-- where r is 1 to 15, and W is hydrogen or optionally substituted phenyl; and salts thereof.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: June 27, 1995
    Assignee: Lilly Industries Limited
    Inventors: Barry P. Clark, Graham H. Timms
  • Patent number: 5258378
    Abstract: The invention relates to a compound of formula (I) ##STR1## in which R.sup.1 and R.sup.2 are each hydrogen, halo, hydroxy, nitro, C.sub.1-4 alkylcarbonyl, hydroxy-C.sub.1-4 alkyl, R.sup.3 is hydrogen or optionally substituted phenylsulphonyl, R.sup.4 is optionally substituted phenyl, benzofuranyl or dihydrobenzofuranyl, and R.sup.5 is hydrogen or C.sub.1-4 alkyl; and salts thereof. These compounds are useful dopaminergic agents.
    Type: Grant
    Filed: November 19, 1991
    Date of Patent: November 2, 1993
    Assignee: Lilly Industries Limited
    Inventors: Barry P. Clark, Graham H. Timms, David E. Tupper
  • Patent number: 5028602
    Abstract: Pharmaceutical compounds having the formula ##STR1## in which R.sup.1 is hydrogen, hydroxy, nitro, cyano, halo, amino, acetamido, hydroxy-C.sub.1-4 alkyl, carboxaldehydo, C.sub.1-4 alkyl-carbonyl, carboxy, C.sub.1-4 alkoxy-carbonyl, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, C.sub.1-4 alkylsulphonyl or C.sub.1-4 alkoxy-C.sub.1-4 alkyl, R.sup.2 is hydrogen or halo, R.sup.3 is optionally substituted phenyl or optionally substituted phenyl ortho condensed with an optionally substituted ring selected from benzene, cyclohexane, cyclohexene, cyclopentane or cyclopentene, in which ring one of the carbon atoms may be replaced by oxygen, sulphur or nitrogen, and R.sup.4 is hydrogen, C.sub.1-4 alkyl, C.sub.2-4 alkenyl or optionally substituted benzyl; and salts thereof.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: July 2, 1991
    Assignee: Lilly Industries Limited
    Inventors: Barry P. Clark, David E. Tupper
  • Patent number: 4904653
    Abstract: Compounds of the formula ##STR1## in which R.sup.1 is hydrogen, hydroxy, nitro, cyano, halo, amino, acetamido, hydroxy-C.sub.1-4 alkyl, carboxaldehydo, C.sub.1-4 alkylcarbonyl, carboxy, C.sub.1-4 alkoxy-carbonyl, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, C.sub.1-4 alkylsulphonyl or C.sub.1-4 alkoxy-C.sub.1-4 alkyl, R.sup.2 is hydrogen, hydroxy, nitro, cyano, halo, amino, carboxamido, acetamido, hydroxy-C.sub.1-4 alkyl, carboxyaldehydo, C.sub.1-4 alkylcarbonyl, carboxy, C.sub.1-4 alkoxycarbonyl, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, C.sub.1-4 alkylsulphonyl, C.sub.1-4 alkoxy-C.sub.1-4 alkyl, oximino or aminomethyl, R.sup.3 is optionally substituted phenyl or optionally substituted phenyl ortho condensed with an optionally substituted ring selected from benzene, cyclohexane, cyclohexene, cyclopentane or cyclopentene, in which ring one of the carbon atoms may be replaced by oxygen, sulphur or nitrogen, and R.sup.4 is hydrogen, C.sub.1-4 alkyl, C.sub.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: February 27, 1990
    Assignee: Lilly Industries Limited
    Inventors: Barry P. Clark, David E. Tupper
  • Patent number: 4471129
    Abstract: Compounds are described of the formula ##STR1## in which R.sup.1 is COOR.sup.5, CONHR.sup.5, cyano, 5-tetrazolyl or R.sup.6, where R.sup.5 is hydrogen or C.sub.1-8 alkyl and R.sup.6 is phenyl or naphthyl, the phenyl or naphthyl group being optionally substituted by one or more group selected from halogen, C.sub.1-6 alkyl, C.sub.1-4 alkoxy, hydroxy, benzyloxy, nitro, trifluoromethyl, carboxyl, C.sub.1-4 alkylsulphinyl, C.sub.1-4 alkylsulphonyl, N(R.sup.5).sub.2, NHCOR.sup.5 and SR.sup.5 ; R.sup.2 is R.sup.6 or --CH.dbd.CH--R.sup.6 when R.sup.1 is COOR.sup.5, CONHR.sup.5, cyano or 5-tetrazolyl, or R.sup.2 is --CH.dbd.CH--R.sup.6 when R.sup.1 is R.sup.6 ; R.sup.3 is hydrogen, C.sub.1-6 alkyl, halogen, hydroxy or --OCH.sub.2 R.sup.6 ; and R.sup.4 is hydrogen, C.sub.1-6 alkyl or halogen; and salts thereof. The compounds have pharmaceutical properties and in particular are useful in the treatment of immediate hypersensitivity conditions such as asthma.
    Type: Grant
    Filed: May 20, 1983
    Date of Patent: September 11, 1984
    Assignee: Lilly Industries Limited
    Inventors: Barry P. Clark, William J. Ross, Alec Todd
  • Patent number: 4448787
    Abstract: Compounds are described of the formula ##STR1## in which R.sup.1 is COOR.sup.5, CONHR.sup.5, cyano, 5-tetrazolyl or R.sup.6, where R.sup.5 is hydrogen or C.sub.1-8 alkyl and R.sup.6 is phenyl or naphthyl, the phenyl or naphthyl group being optionally substituted by one or more group selected from halogen, C.sub.1-6 alkyl, C.sub.1-4 alkoxy, hydroxy, benzyloxy, nitro, trifluoromethyl, carboxyl, C.sub.1-4 alkylsulphinyl, C.sub.1-4 alkylsulphonyl, N(R.sup.5).sub.2, NHCOR.sup.5 and SR.sup.5 ; R.sup.2 is R.sup.6 or --CH.dbd.CH--R.sup.6 when R.sup.1 is COOR.sup.5, CONHR.sup.5, cyano or 5-tetrazolyl, or R.sup.2 is --CH.dbd.CH--R.sup.6 when R.sup.1 is R.sup.6 ; R.sup.3 is hydrogen, C.sub.1-6 alkyl, halogen, hydroxy or --OCH.sub.2 R.sup.6 ; and R.sup.4 is hydrogen, C.sub.1-6 alkyl or halogen; and salts thereof. The compounds have pharmaceutical properties and in particular are useful in the treatment of immediate hypersensitivity conditions such as asthma.
    Type: Grant
    Filed: September 17, 1981
    Date of Patent: May 15, 1984
    Assignee: Lilly Industries Limited
    Inventors: Barry P. Clark, William J. Ross, Alec Todd
  • Patent number: 4364956
    Abstract: Compounds are described of the formula ##STR1## in which R.sup.1 is COOR.sup.5, CONHR.sup.5, cyano, 5-tetrazolyl or 5-tetrazolylaminocarbonyl, where R.sup.5 is hydrogen or C.sub.1-6 alkyl; R.sup.2 is hydrogen or C.sub.1-6 alkyl; R.sup.3 is a group of the formulaR.sup.6 --(Z).sub.m --where m is O or 1, Z is O, S, SO, SO.sub.2 or CO, and R.sup.6 phenyl optionally substituted by one or more group selected from halogen, C.sub.1-4 alkyl, C.sub.3-6 cycloalkyl, C.sub.1-4 alkoxy, benzyloxy, hydroxy, nitro, C.sub.1-4 alkylthio, C.sub.1-4 alkylsulphinyl, C.sub.1-4 alkylsulphonyl, amino and NHR.sup.7 where R.sup.7 is C.sub.2-6 acyl; and R.sup.4 is hydrogen, C.sub.1-6 alkyl or halogen; and salts thereof. These compounds have pharmaceutical properties and in particular are useful in the treatment of immediate hypersensitivity conditions such as asthma.
    Type: Grant
    Filed: September 17, 1981
    Date of Patent: December 21, 1982
    Assignee: Lilly Industries Limited
    Inventors: Barry P. Clark, William J. Ross, Alec Todd
  • Patent number: 4304728
    Abstract: Compounds are described of the formula ##STR1## in which R.sup.1 is COOR.sup.5, CONHR.sup.5, cyano, 5-tetrazolyl or R.sup.6, where R.sup.5 is hydrogen or C.sub.1-8 alkyl and R.sup.6 is phenyl or naphthyl, the phenyl or naphthyl group being optionally substituted by one or more group selected from halogen, C.sub.1-6 alkyl, C.sub.1-4 alkoxy, hydroxy, benzyloxy, nitro, trifluoromethyl, carboxyl, C.sub.1-4 alkylsulphinyl, C.sub.1-4 alkylsulphonyl, N(R.sup.5).sub.2, NHCOR.sup.5 and SR.sup.5 ; R.sup.2 is R.sup.6 or --CH.dbd.CH--R.sup.6 when R.sup.1 is COOR.sup.5, CONHR.sup.5, cyano or 5-tetrazolyl, or R.sup.2 is --CH.dbd.CH--R.sup.6 when R.sup.1 is R.sup.6 ; R.sup.3 is hydrogen, C.sub.1-6 alkyl, halogen, hydroxy or --OCH.sub.2 R.sup.6 ; and R.sup.4 is hydrogen, C.sub.1-6 alkyl or halogen; and salts thereof. The compounds have pharmaceutical properties and in particular are useful in the treatment of immediate hypersensitivity conditions such as asthma.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: December 8, 1981
    Assignee: Lilly Industries Limited
    Inventors: Barry P. Clark, William J. Ross, Alec Todd