Patents by Inventor Hans-Georg Schecker

Hans-Georg Schecker 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).

  • Production of 1-methyl-3-phenylindans
    Patent number: 4012305
    Abstract: A process for the production of 1-methyl-3-phenylindans by dimerization of styrenes in the presence of catalysts and of organic compounds which absorb light of from 2000 to 8000 A and which are irradiated with such light. The compounds which can be prepared by the process of the invention are valuable starting materials for the production of dyes and pest control agents.
    Type: Grant
    Filed: April 25, 1973
    Date of Patent: March 15, 1977
    Assignee: Badische Anilin- & Soda-Fabrik Aktiengesellschaft
    Inventors: Martin Fischer, Hans-Juergen Quadbeck-Seeger, Gerhard Kilpper, Hans-Georg Schecker, Waldemar Koehler
  • Manufacture of 1-methyl-3-(monohalogeno)-phenylindans and dihalogeno-1-methyl-3-phenylindans
    Patent number: 3998894
    Abstract: Manufacture of 1-alkyl-3-(monohalogeno)-phenylindans and dihalogeno-1-methyl-3-phenylindans by reaction of halogenostyrene and styrene in the presence of phosphoric acid of a certain concentration, or by reaction of halogenostyrenes in the presence of phosphoric acid of a certain concentration and of organic compounds irradiated with light of 2,000 to 8,000 A and capable of absorbing the said light, and the new dihalogeno-1-methyl-3-phenylindans and 1-methyl-3-(monohalogeno)-phenylindans. The products are starting materials for the manufacture of dyes and pesticides.
    Type: Grant
    Filed: November 15, 1973
    Date of Patent: December 21, 1976
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinz Eilingsfeld, Karl Gerhard Baur, Manfred Patsch, Rolf Platz, Hans-Georg Schecker, Martin Fischer