Patents by Inventor Peter Klehr

Peter Klehr 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).

  • Basic magnesium aluminum hydroxycarbonate
    Patent number: 4539195
    Abstract: Crystalline, basic magnesium aluminum hydroxycarbonate of the formulaAl.sub.2 Mg.sub.6 (OH).sub.12 (CO.sub.3).sub.3.xH.sub.2 Owhere x is at least 4. A process for producing it comprises the conversion of aluminum hydroxide with basic magnesium carbonate and at least one compound selected from magnesium hydroxide and magnesium oxide. Stoichiometric quantities are employed with reference to the aluminum and the magnesium. The conversion takes place at temperatures from 50.degree. to 100.degree. C., and the resulting product is subsequently spray dried.
    Type: Grant
    Filed: February 23, 1984
    Date of Patent: September 3, 1985
    Assignee: Giulini Chemie GmbH
    Inventors: Klaus Schanz, Albert Schwind, Hartmut Grund, Peter Klehr