Patents by Inventor Ulf Preuschoff

Ulf Preuschoff 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: 5212173
    Abstract: Pharmacologically active compounds corresponding to the formula I ##STR1## in which n represents 2-5,m represents 2-6,R.sup.1 denotes hydrogen or lower alkyl,R.sup.2 represents an OR.sup.4 group in which R.sup.4 denotes lower alkyl or a phenyl or phenyl-lower alkyl group which is optionally substituted in the phenyl ring, orR.sup.2 represents a ##STR2## group in which R.sup.5 and R.sup.6 independently of one another each denote hydrogen, lower alkyl or a phenyl or phenyl-lower alkyl group which is optionally substituted in the phenyl ring, orR.sup.5 and R.sup.6, together with the nitrogen atom to which they are bonded, represent a saturated 5- or 6-membered heterocycle,R.sup.3 represents a saturated monocyclic or bicyclic hydrocarbon group which is derived from terpenes and has 10 or 11 carbon atoms, andZ represents oxygen or, if R.sup.3 is a dihydronopyl group, Z may also represent sulfur,and salts thereof.
    Type: Grant
    Filed: December 19, 1991
    Date of Patent: May 18, 1993
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Herman Kraehling, Samuel David, Insa Hell, Ulf Preuschoff, Ivan Ban, Marie-Odile Christen
  • Patent number: 5013852
    Abstract: Flavone-3-carboxylic acid compounds corresponding to the Formula I: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 represent hydrogen, lower alkyl, halogen, hydroxy, or etherified or esterified hydroxy, and Z-R.sup.6 stands for a basically substituted alkoxy or amino group, as well as processes and intermediate products for their production. The compounds exhibit inflammation-inhibiting pharmacological activity.
    Type: Grant
    Filed: May 18, 1989
    Date of Patent: May 7, 1991
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Rainer Walenta, Reiner Muller-Peddinghaus, Ivan Ban, Michael Wurl, Ulf Preuschoff
  • Patent number: 4886806
    Abstract: Falvone-3-carboxylic acid compounds corresponding to the Formula I: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 represent hydrogen, lower alkyl, halogen, hydroxy, or etherified or esterified hydroxy, and Z--R.sup.6 stands for a basically substituted alkoxy or amino group, as well as processes and intermediate products for their production. The compounds exhibit inflammation-inhibiting pharmacological activity.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: December 12, 1989
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Rainer Walenta, Reiner Muller-Peddinghaus, Ivan Ban, Michael Wurl, Ulf Preuschoff