Patents by Inventor Kevin S. Cardwell

Kevin S. Cardwell 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: 5498722
    Abstract: The invention provides compounds of formula (I): ##STR1## or a physiologically acceptable salt, solvate or metabolically labile ester thereof wherein the R groups are defined in the specification.The compounds may be used in the treatment or prophylaxis of hypertension and diseases associated with cognitive disorders.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: March 12, 1996
    Assignee: Glaxo Group
    Inventors: Barry C. Ross, David Middlemiss, David I. C. Scopes, Torquil I. M. Jack, Kevin S. Cardwell, Michael D. Dowle, Duncan B. Judd, Stephen P. Watson
  • Patent number: 5374646
    Abstract: The invention provides compounds of the general formula (I) ##STR1## and physiologically acceptable salts, solvates or non-toxic metabolically labile esters thereof where R.sup.1 represents a halogen atom; Ar represents the group ##STR2## R.sup.3 represents a C-linked tetrazolyl group; R.sup.4 and R.sup.5, which may be the same or different, each independently represent a hydrogen atom or a halogen atom or a C.sub.1-6 alkyl group; andHet represents an N-linked imidazolyl group optionally substituted at the 2-position.The compounds may be used in the treatment or prophylaxis of hypertension and diseases associated with cognitive disorders.
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: December 20, 1994
    Assignee: Glaxo Group Limited
    Inventors: Barry C. Ross, David Middlemiss, David I. C. Scopes, Torquil I. M. Jack, Kevin S. Cardwell, Michael D. Dowle
  • Patent number: 5317023
    Abstract: The invention provides compounds of formula (I): ##STR1## or a physiologically acceptable salt, solvate or metabolically labile ester thereof whereinR.sup.1 represents a hydrogen atom or a halogen atom or a group selected from C.sub.1-6 alkyl, C.sub.2-6 alkenyl, fluoroC.sub.1-6 alkyl, C.sub.1-6 alkoxy, --CHO, --CO.sub.2 H or --COR.sup.2 ;Ar represents optionally substituted phenylHet represents the group ##STR2## A represents ##STR3## The compounds may be used in the treatment or prophylaxis of hypertension and diseases associated with cognitive disorders.
    Type: Grant
    Filed: May 15, 1992
    Date of Patent: May 31, 1994
    Assignee: Glaxo Group Limited
    Inventors: Barry C. Ross, David Middlemiss, David I. C. Scopes, Torquil I. M. Jack, Kevin S. Cardwell, Michael D. Dowle, John G. Montana, Martin Pass, Duncan B. Judd
  • Patent number: 5310927
    Abstract: The invention provides compounds of formula (I): ##STR1## or a physiologically acceptable salt, solvate or metabolically labile ester thereof whereinR.sup.1 represents a hydrogen atom or a halogen atom or a group selected from C.sub.1-6 alkyl, C.sub.2-6 alkenyl, fluoroC.sub.1-6 alkyl, C.sub.1-6 alkoxy, --CHO, --CO.sub.2 H or --COR.sup.2 ;Ar represents the group ##STR2## Het represents an N-linked imidazolyl group optionally substituted by one, two or three substituents.The compounds may be used in the treatment or prophylaxis of hypertension and diseases associated with cognitive disorders.
    Type: Grant
    Filed: May 15, 1992
    Date of Patent: May 10, 1994
    Assignee: Glaxo Group Limited
    Inventors: Barry C. Ross, David Middlemiss, David I. C. Scopes, Torquil I. M. Jack, Kevin S. Cardwell, Michael D. Dowle, Duncan B. Judd
  • Patent number: 5252593
    Abstract: The invention provides compounds of formula (I): ##STR1## or a physiologically acceptable salt, solvate or metabolically labile ester thereof.The compounds may be used in the treatment or prophylaxis of hypertension and diseases associated with cognitive disorders.
    Type: Grant
    Filed: May 15, 1992
    Date of Patent: October 12, 1993
    Assignee: Glaxo Group Limited
    Inventors: Barry C. Ross, David Middlemiss, David I. C. Scopes, Torquil I. M. Jack, Kevin S. Cardwell, Michael D. Dowle, Colin D. Eldred, John G. Montana, Pritom Shah, Stephen P. Watson