Patents by Inventor Eckhardt Pein

Eckhardt Pein 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: 5077301
    Abstract: 4-(Hydroxydiphenylmethyl)-1-piperidylphenylalkane derivatives as antihistamines of the formula ##STR1## and pharmaceutically acceptable salts of such derivatives are disclosed in whichn is an integer between 0 and 2,R.sup.1 -R.sup.5 represent, independently of one another, hydrogen and at least one of them represents a linear or branched alkyl radical with 1-4 carbon atoms, a C.sub.1 -C.sub.3 -alkoxy radical or a hydroxyl radical. A method of treatment of allergic response in mammals is also disclosed.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: December 31, 1991
    Assignee: Schaper & Bruemmer GmbH & Co. KG
    Inventors: Eckhardt Pein, Helmut Ritter, Reinhard Laven