Patents by Inventor Horst Bruder

Horst Bruder 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).

  • Recording fluid for the ink jet process
    Patent number: 5019165
    Abstract: A recording fluid for the ink jet process contains a water-miscible organic solvent and a dye of the formula ##STR1## where R.sup.1 and R.sup.2 are each independently of the other hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy,A.sup..crclbar. is an anion andX is a bridge member of the formula ##STR2## where R.sup.3 is chlorine, hydroxy, C.sub.1 -C.sub.6 -alkoxy, amino, C.sub.1 -C.sub.4 -monoalkyl- or dialkyl-amino, anilino, N-(C.sub.1 -C.sub.4 -alkyl)anilino, pyrrolidino, piperidino, morpholino, piperazino or N-(C.sub.1 -C.sub.4 -alkyl)piperazino.
    Type: Grant
    Filed: December 30, 1988
    Date of Patent: May 28, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Bruder, Udo Mayer
  • Recording fluid for the ink jet process
    Patent number: 5015292
    Abstract: A recording fluid for the ink jet process contains a water-miscible organic solvent and a dye of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each have specified meanings, An.crclbar. is an anion and X is a bridge member of the formula ##STR2## where Y and the rings A and B each have specified meanings.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: May 14, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Bruder, Rainer Dyllick-Brenzinger, Udo Mayer, Steven J. Bares
  • Recording fluid containing phenyl azo naphthalene dyes for the ink jet process
    Patent number: 4975118
    Abstract: A recording fluid for the ink jet process contains a water-miscible organic solvent and a dye of the formula ##STR1## where m is 0 or 1,D.sup.1 and D.sup.2 are each independently of the other the radical of a diazocomponent of the aniline series,R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl andR.sup.2 and R.sup.3 are each independently of the other a radical having an external basic group.
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: December 4, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Udo Mayer, Rainer Dyllick-Brenzinger, Horst Bruder, Steven J. Bares
  • Electrostatic toner
    Patent number: 4912006
    Abstract: An electrostatic toner consists of a polymer a charge controlling component and an optional color-giving component, wherein the charge controlling agent component comprises one or more compounds of the formula `(I)`, ##STR1## ps where R.sup.1 is chlorine or methyl, R.sup.2 is C.sub.4 -C.sub.22 -alkyl, benzyl or 2-phenylethyl, A.THETA. is an anion, n is 0, 1 or 2, m is 1 or 2 and r is 1 or 2.
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: March 27, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Breitschaft, Erwin Czech, Udo Mayer, Guenther Seybold, Horst Bruder, Rainer Dyllick-Brenzinger
  • Cationic dyes
    Patent number: 4353833
    Abstract: Compounds of the general formula I ##STR1## where the radicals A, A.sup.1 and B are identical or different andA is unsubstituted or substituted benzene or heteroaromatic,A.sup.1, if n=1, is unsubstituted or substituted heteroaromatic or is aryl which is unsubstituted or substituted by alkyl, aryl, cycloalkyl, chlorine, bromine, hydroxyl, alkoxy, aryloxy, nitro, hydroxycarbonyl, alkoxycarbonyl, or aminocarbonyl, and, if n>1, A.sup.1 may also be aryl substituted by unsubstituted or substituted amino,B is a bridge member of the formula ##STR2## B.sup.1 is a bridge member which may or may not be quaternized, R.sup.1 and R.sup.2 are hydrogen, unsubstituted or substituted alkyl, cycloalkyl, aryl, alkoxy or amino,n is an integer equal to or greater than 1 andX.sup..theta. is an anion.The compounds according to the invention are preferably used for coloring paper pulp.
    Type: Grant
    Filed: November 12, 1980
    Date of Patent: October 12, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Bruder, Hans-Juergen Degen, Franz Feichtmayr, Klaus Grychtol, Udo Mayer