Patents by Inventor Hans-Georg Scharpenberg

Hans-Georg Scharpenberg 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).

  • Removal of CO.sub.2 and/or H.sub.2 S from gases
    Patent number: 4330305
    Abstract: Acid constituents, eg. H.sub.2 S and CO.sub.2 or their mixtures, are removed from industrial gases or natural gases by means of a washing agent which contains the methyl isopropyl ethers of polyethylene glycols. The washing can be carried out with simultaneous drying of the gas, especially in the case of natural gases, since the anhydrous ethers are able to absorb water.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: May 18, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Kuessner, Rudolf Irnich, Hans-Georg Scharpenberg, Klaus Volkamer
  • Cyclic acetals
    Patent number: 4031112
    Abstract: Cyclic acetals or ketals of carbonyl compounds having at least one aliphatic or aromatic radical, and polyhydric alcohols which have at least one more hydroxyl group than those required for acetalization, and which are furthermore oxyalkylated at the free hydroxyl group or groups.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: June 21, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Knut Oppenlaender, Guenter Uhl, Herbert Helfert, Hans-Georg Scharpenberg, Karl Stork
  • Surfactants containing iodine
    Patent number: 4006093
    Abstract: Detergent-iodine complexes consisting of oxyalkylation products of fatty alkyl-imidazolines which have been reacted with iodine.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: February 1, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Paul Diessel, Herbert Helfert, Reiner Hamm, Hans-Georg Scharpenberg