Patents by Inventor Wallace Ashton

Wallace Ashton 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).

  • Publication number: 20070208010
    Abstract: The present invention is directed to novel fused triazole derivatives which are inhibitors of the dipeptidyl peptidase-IV enzyme (“DPP-IV inhibitors”) and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly type 2 diabetes. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the dipeptidyl peptidase-IV enzyme is involved.
    Type: Application
    Filed: August 19, 2005
    Publication date: September 6, 2007
    Inventors: Ann Weber, Wallace Ashton
  • Publication number: 20060281727
    Abstract: The present invention is directed to fused phenylalanine derivatives which are inhibitors of the dipeptidyl peptidase-IV enzyme (“DP-RV inhibitors”) and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly type 2 diabetes. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the dipeptidyl peptidase-IV enzyme is involved.
    Type: Application
    Filed: October 29, 2004
    Publication date: December 14, 2006
    Inventors: Wallace Ashton, Hong Dong, Jinyou Xu
  • Publication number: 20060074087
    Abstract: The present invention is directed to 3-amino-4-phenylbutanoic acid derivatives which are inhibitors of the dipeptidyl peptidase-IV enzyme (“DP-IV inhibitors”) and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly type 2 diabetes. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the dipeptidyl peptidase-IV enzyme is involved.
    Type: Application
    Filed: January 27, 2004
    Publication date: April 6, 2006
    Inventors: Wallace Ashton, Charles Caldwell, Joseph Duffy, Robert Mathvink, Liping Wang, Ann Weber
  • Publication number: 20060069116
    Abstract: The present invention is directed to 3-amino-4-phenylbutanoic acid derivatives which are inhibitors of the dipeptidyl peptidase-IV enzyme (“DP-IV inhibitors”) and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly type 2 diabetes. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the dipeptidyl peptidase-IV enzyme is involved.
    Type: Application
    Filed: January 13, 2004
    Publication date: March 30, 2006
    Inventors: Wallace Ashton, Charles Caldwell, Robert Mathvink, Hyun Ok, Leah Reigle, Ann Weber
  • Patent number: 5177095
    Abstract: Substituted triazoles attached through a methylene bridge to novel substituted phenyl derivatives of the Formula I, are useful as angiotensin II antagonists.
    Type: Grant
    Filed: August 13, 1991
    Date of Patent: January 5, 1993
    Assignee: Merck & Co., Inc.
    Inventors: William J. Greenlee, Arthur A. Patchett, David Hangauer, Wallace Ashton, Kenneth J. Fitch, Thomas F. Walsh, Ralph A. Rivero, Daljit S. Dhanoa
  • Patent number: 4897479
    Abstract: Compounds of the formula ##STR1## and the pharmaceutically acceptable salts thereof are disclosed. In these compounds, R.sup.1 is halogen, --SR.sup.4 wherein R.sup.4 is H or alkyl of 1 to 4 carbon atoms, --OCH.sub.3, --OSO.sub.2 Ar wherein Ar is phenyl or alkyl substituted phenyl wherein the alkyl group has 1 to 6 carbon atoms, --NR.sup.4 R.sup.5 wherein R.sup.4 is as defined above and R.sup.5 is H, alkyl of 1 to 4 carbon atoms, amino, alkanoyl of 1 to 8 carbon atoms, benzoyl, methoxy or hydroxy or R.sup.1 is --N(CH.sub.3).sub.3.sup.+ X.sup.-whereinX is halogen or --OSO.sub.2 Ar wherein Ar is phenyl or alkyl substituted phenyl wherein the alkyl group has 1 to 6 carbon atoms;R.sup.2 is H, alkanoyl of 1 to 8 carbon atoms or benzoyl;R.sup.3 is A or B whereinA is ##STR2## and B is ##STR3## wherein R.sup.6 and R.sup.7 are independently selected from H and ##STR4## wherein R.sup.8 and R.sup.9 are independently selected from pharmaceutically acceptable cations and H, or R.sup.6 and R.sup.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: January 30, 1990
    Assignee: Merck & Co., Inc.
    Inventors: Richard L. Tolman, Wallace Ashton, Malcolm Maccoss
  • Patent number: 4617304
    Abstract: Purines and pyrimidines having a fused cyclopropane ring in the side chain and the heterocyclic isosteres of said purines and pyrimidines have antiviral activity, especially against viruses of the herpes class.
    Type: Grant
    Filed: April 10, 1984
    Date of Patent: October 14, 1986
    Assignee: Merck & Co., Inc.
    Inventors: Wallace Ashton, Edward Walton, Richard L. Tolman