Patents Represented by Attorney George Wang
  • Patent number: 6908752
    Abstract: The present invention relates to a process for the preparation of the enantiomeric forms of 2-substituted 2-(2,5-dioxoimidazolidin-1-yl)acetic acid derivatives of the formula I, wherein R1, R2 and R3 have the meanings given in the claims, by stereodifferentiating conversion of mixtures of the enantiomers with the aid of enzymes.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: June 21, 2005
    Assignee: Aventis Pharma Deutschland GmbH
    Inventor: Wolfgang Holla
  • Patent number: 6844361
    Abstract: This invention is directed to a pharmaceutical composition comprising the sodium-hydrogen exchanger (NHE) inhibitor cariporide and an angiotensin converting enzyme (ACE) inhibitor which exhibits unexpectedly efficacious properties for preventing heart failure and other age-related organ dysfunctions, age-related disorders and for prolonging life, and to methods of preventing heart failure and other age-related organ dysfunctions, age-related disorders and for prolonging life comprising administering pharmaceutically effective amounts of the sodium-hydrogen exchange inhibitor cariporide and an ACE inhibitor.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: January 18, 2005
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Wolfgang Linz, Ursula Schindler
  • Patent number: 6794377
    Abstract: Ortho, ortho-substituted nitrogen-containing bisaryl compounds, processes for their preparation, their use as medicaments, and pharmaceutical preparations including their use as antiarrhythmic active compounds, for example, for the treatment and prophylaxis of atrial arrhythmias, e.g. atrial fibrillation (AF) or atrial flutters.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: September 21, 2004
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Stefan Peukert, Joachim Brendel, Horst Hemmerle, Heinz-Werner Kleemann