Patents by Inventor Robert Rupaner

Robert Rupaner 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: 5753746
    Abstract: Formaldehyde-free aqueous synthetic resin dispersions are obtainable by single-stage emulsion polymerization of monomer mixtures containing(A) from 50 to 99% by weight of at least one monomer selected from the group consisting of the acrylic and methacrylic esters of C.sub.1 -C.sub.14 -alkanols, the vinyl esters of monocarboxylic acids having up to 5 carbon atoms, and styrene (monomer A),(B) from 0.5 to 40% by weight of at least one of the monomers acrylonitrile and methacrylonitrile (monomer B),(C) from 0.5 to 10% by weight of at least one monomer of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl and R.sup.2 and R.sup.3 are each independently of the other hydrogen or C.sub.1 -C.sub.4 -alkyl (monomer C),(D) from 0 to 5% by weight of at least one monomer selected from the group consisting of the 3 carbon to 5 carbon .alpha.,.beta.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: May 19, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Rupaner, Karl-Heinz Schumacher, Manfred Weber
  • Patent number: 5536766
    Abstract: A formaldehyde-free binding, impregnating or coating composition comprisesA) a polymer constituted to from 2 to 100% by weight of an ethylenically unsaturated acid or anhydride as comonomer, andB) at least one polyol selected froma triazine of the formula ##STR1## where R.sup.1 to R.sup.3 are each independently of the others a radical X[(C.sub.m H.sub.2m O).sub.n H] or N[(C.sub.m H.sub.2m O).sub.n H].sub.2 where X is NH, O or S, m is from 2 to 5 and n is from 1 to 10,a triazinetrione of the formula ##STR2## where R.sup.4 to R.sup.6 are each independently of the others a radical [(C.sub.m H.sub.2m O).sub.n H] where m is from 2 to 5 and n is from 1 to 10,a benzene or cyclohexyl derivative of the formula ##STR3## where R.sup.7 to R.sup.9 are each independently of the others a radical [X(C.sub.m H.sub.2m O).sub.n H], a radical N[C.sub.m H.sub.2m O).sub.n H].sub.2, a radical [Y(C.sub.m H.sub.2m O).sub.n H] or a radical [(C.sub.m H.sub.2m O).sub.n H] where X is NH, O or S, Y is bivalent C.sub.1 -C.sub.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: July 16, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Seyffer, Robert Rupaner, Erhard Gunther, Rainer Hummerich
  • Patent number: 5356968
    Abstract: A coating agent comprises an emulsion polymer obtained by free radical emulsion polymerization of a monomer mixture ofA) from 15 to 60% by weight of an acrylic or methacrylic ester having a primary or secondary C.sub.1 -C.sub.18 -alkyl group, as alcohol radical,B) from 15 to 50% by weight of an acrylic or methacrylic ester having tertiary C.sub.4 -C.sub.8 -alkyl group or a C.sub.6 -C.sub.12 -radical that is an alicyclic or aromatic group as alcohol group a methacrylic ester having a primary or secondary C.sub.2 -C.sub.4 -alkyl group as alcohol radical, acrylo- or methacrylonitrile, acryl- or meth-acrylamide, a vinyl ester of a C.sub.1 -C.sub.8 - carboxylic acid,C) from 10 to 50% by weight of one or more C.sub.8 -C.sub.12 - aromatic vinyl compounds,D) from 8 to 20% by weight of an olefinically unsaturated C.sub.3 -C.sub.5 -mono- or C.sub.4 -C.sub.8 -dicarboxylic acid or anhydride, andE) from 0 to 5% by weight of further copolymerizable monomers having functional groups in the presence of from 0.
    Type: Grant
    Filed: January 12, 1993
    Date of Patent: October 18, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Rupaner, Michael W. Mueller, Maximilian Angel, Klaus Boehlke