Patents by Inventor Wolfgang Reif

Wolfgang Reif 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: 5902916
    Abstract: A process for reacting an organic compound in the presence of a catalyst, wherein the catalyst comprises a homogeneous ruthenium compound or a mixture of two or more thereof deposited in situ on a support.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: May 11, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Ruhl, Boris Breitscheidel, Franz Josef Brocker, Wolfgang Reif, Jochem Henkelmann, Karl Heinz Brauch, Andreas Henne
  • Patent number: 5766612
    Abstract: The use of endgroup-capped fatty amide alkoxylates IR.sup.1 --CO--NH--(CH.sub.2).sub.n --O--(AO).sub.x --R.sup.2(I)whereR.sup.1 is C.sub.5 -C.sub.21 -alkyl or -alkenyl,R.sup.2 is C.sub.1 -C.sub.4 -alkyl,A is C.sub.2 -C.sub.4 -alkylene,n is 2 or 3, andx has a value from 1 to 6,as nonionic surfactants or emulsifiers in detergents, cleaners or body care compositions, as surface-active substances for industrial applications in electroplating, in the photographic industry, in petroleum production, in the pharmaceutical industry, in plant feeding and in crop protection formulations, and as surface-active substances in the production of emulsions and pigment and plastic dispersions.
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: June 16, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Beate Strecker, Gunter Oetter, Alfred Oftring, Johannes Perner, Richard Baur, Volker Schwendemann, Martin aus dem Kahmen, Wolfgang Reif
  • Patent number: 5660601
    Abstract: Fuels for gasoline engines contain small amounts of polyetheramines IR.sup.1 --(OBu).sub.n --NR.sup.2 R.sup.3 (I)whereR.sup.1 is C.sub.2 -C.sub.30 -alkyl,R.sup.2 and R.sup.3, independently of one another, are each hydrogen, C.sub.1 -C.sub.8 -alkyl, aminoalkylene of the general formula II--R.sup.4 --NR.sup.5 R.sup.6 (II)or polyaminoalkylene of the general formula III--(R.sup.4 --NR.sup.5).sub.m --R.sup.6 (III)whereR.sup.4 is C.sub.2 -C.sub.10 -alkylene, R.sup.5 and R.sup.6, independently of one another, are each hydrogen or C.sub.1 -C.sub.8 -alkyl and m is from 2 to 8,Bu is a butylene radical derived from butylene oxide andn is from 12 to 28.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: August 26, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Knut Oppenlander, Wolfgang Gunther, Andreas Henne, Volkmar Menger, Rainer Becker, Wolfgang Reif, Jurgen Thomas, Harald Schwahn, Erhard Henkes
  • Patent number: 5648545
    Abstract: Catalysts consisting of from 85 to 100 wt % of copper oxide and zirconium oxide and from 15 to 0 wt % of metal oxides of the subgroups Ib to VIIb and VIII of the Periodic Table and a process for the preparation of amines from nitriles and nitrogen compounds selected from the group comprising ammonia and primary and secondary amines, at temperatures of from 80.degree. to 250.degree. C. and pressures of from 1 to 400 bar using hydrogen in the presence of said catalysts.
    Type: Grant
    Filed: July 5, 1995
    Date of Patent: July 15, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Reif, Michael Hesse, Horst Zimmermann, Heinz Lingk
  • Patent number: 5608113
    Abstract: In a process for preparing diamines from aminoalcohols and nitrogen compounds selected from the group consisting of ammonia and primary and secondary amines at from 80.degree. to 250.degree. C. and pressures of from 1 to 400 bar using hydrogen in the presence of a zirconium, copper, nickel catalyst, the catalytically active composition comprises from 20 to 85% by weight of oxygen-containing zirconium compounds, calculated as ZrO.sub.2, from 1 to 30% by weight of oxygen-containing compounds of copper, calculated as CuO, from 30 to 70% by weight of oxygen-containing compounds of nickel, calculated as NiO, from 0.1 to 5% by weight of oxygen-containing compounds of molybdenum, calculated as MoO.sub.3, and from 0 to 10% by weight of oxygen-containing compounds of aluminum and/or manganese, calculated as Al.sub.2 O.sub.3 and MnO.sub.2 respectively.
    Type: Grant
    Filed: August 10, 1995
    Date of Patent: March 4, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Becker, Volkmar Menger, Wolfgang Reif, Andreas Henne
  • Patent number: 5530127
    Abstract: A process for the preparatiion of an amine which comprises reacting a primary or secondary alcohol and a nitrogen compound selected from the group consisting of ammonia and primary and secondary amines, at temperatures of from 80.degree. to 250.degree. C. and pressures of from 1 to 400 bar using hydrogen in the presence of a zirconium/copper/nickel catalyst, wherein the catalytically active material contains from 20 to 85 wt % of oxygen-containing zirconium compounds, calculated as ZrO.sub.2, from 1 to 30 wt % of oxygen-containing compounds of copper, calculated as CuO, from 30 to 70 wt % of oxygen-containing compounds of nickel, calculated as NiO, from 0.1 to 5 wt % of oxygen-containing compounds of molybdenum, calculated as MoO.sub.3 and from 0 to 10 wt % of oxygen-containing compounds of aluminum and/or manganese, calculated as Al.sub.2 O.sub.3 or MnO.sub.2, respectively.
    Type: Grant
    Filed: August 1, 1995
    Date of Patent: June 25, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Reif, Lothar Franz, Peter Stops, Volkmar Menger, Rainer Becker, Rudolf Kummer, Siegfried Winderl