Patents by Inventor Otfried Brendler

Otfried Brendler 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: 4104278
    Abstract: Process for the production of a compound of the formula ##STR1## in which R stands for a benzyl radical or the radical ##STR2## and X is hydrogen or represents one or more substituents, wherein a compound of the formula ##STR3## is condensed with a compound of the formula ##STR4## in which R and X have the meaning indicated, at temperatures of at least 100.degree. C on an inert solvent as reaction medium, with formation of free HCl. The products are useful as intermediates for production of the corresponding indole derivatives wherein R is replaced by hydrogen or --CH.sub.2 COOH, which are antiphlogistically active compounds.
    Type: Grant
    Filed: December 11, 1975
    Date of Patent: August 1, 1978
    Assignee: Troponwerke Dinklage & Co.
    Inventors: Karl-Heinz Boltze, Otfried Brendler, Peter-Rudolf Seidel
  • Patent number: 3966956
    Abstract: [1-(P-CHLOROBENZOYL)-5-METHOXY-2-METHYL-3-INDOLE]-ACETOXYACETIC ACID OF THE FORMULA ##SPC1##Possesses outstanding antiphlogistic activity without the side effects of certain conventional antiphlogistic pharmaceuticals.
    Type: Grant
    Filed: April 9, 1975
    Date of Patent: June 29, 1976
    Assignee: Troponwerke Dinklage & Company
    Inventors: Karl-Heinz Boltze, Otfried Brendler, Hans-Dieter Dell, Haireddin Jacobi