Patents by Inventor Bernard Dotzauer

Bernard Dotzauer 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).

  • Lightweight building board
    Patent number: 5122559
    Abstract: Lightweight building board based on mineral fibers A and thermoplastic binders contains, based on A,from 1 to 25% by weight of a copolymer B having a glass transition temperature of from 70.degree. to 105.degree. C., composed essentially offrom 50 to 98% by weight of methyl methacrylate I,from 2 to 50% by weight of one or more acrylic esters II of C.sub.1 -C.sub.8 -alkanols, andfrom 0 to 2.5% by weight of one or more crosslinking monomers III as binder,from 0 to 150% by weight of filler C,and, based on B,from 0.2 to 15% by weight of one or more amines F of the formula ##STR1## where R is C.sub.8 -C.sub.18 -alkyl or C.sub.8 -C.sub.18 -alkenyl,U and V are each C.sub.2 -C.sub.4 -alkylene,X and Y are each hydrogen, C.sub.1 -C.sub.18 -alkyl or C.sub.2 -C.sub.18 -alkenyl, andn and m are each an integer from 0 to 10,or an acid addition salt thereof.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: June 16, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernard Dotzauer, Michael Portugall, Wilhelm F. Beckerle, Hans-Juergen Denu