Patents by Inventor Hans-Juergen Lautenschlager

Hans-Juergen Lautenschlager 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: 6043362
    Abstract: The invention relates to oxyalkylene-group-containing organosilicon compounds having units of the formula ##STR1## where R is identical or different, and denotes a monovalent halogenated or nonhalogenated hydrocarbon radical, X is identical or different and is a chlorine atom or a radical of the formula --OR.sup.1, where R.sup.1 denotes an alkyl radical which can be substituted by an ether oxygen atom,a is 0 or 1,b is 0, 1, 2 or 3,c is 0, 1, 2 or 3 and the total a+b+c.ltoreq.4 andA is a radical of the formula ##STR2## where R.sup.2 signifies an unbranched or branched substituted or unsubstituted divalent hydrocarbon radical, which may or may not contain ether, amine, sulfide, ester, amide, carbonate, urea and urethane groups, B is identical or different, and denotes X, --NR.sub.2.sup.1, --O--C(.dbd.O)--R.sup.1, --SR.sup.1 or a radical of the formula--NR.sup.3 R.sup.2 [O--CH(CH.sub.3)--CH.sub.2 ].sub.d [OCH.sub.2 CH.sub.2 ].sub.e [O(CH.sub.2).sub.4 ].sub.f OR.sup.4 (III),where X, R.sup.1 and R.sup.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: March 28, 2000
    Assignee: Wacker-Chemie GmbH
    Inventors: Jochen Dauth, Guenter Mahr, Bernward Deubzer, Petra Gratzl, Hans-Juergen Lautenschlager
  • Patent number: 5712343
    Abstract: The invention relates to the preparation of organopolysiloxane microemulsions, wherein the components (A) organopolysiloxane, (B) emulsifier, (C) water, optionally, (D) cosurfactant and optionally (E) acid are brought together and mixed in any desired sequence. Microemulsions are formed spontaneously without introduction of energy in the form of heat or severe shearing forces.
    Type: Grant
    Filed: April 17, 1996
    Date of Patent: January 27, 1998
    Assignee: Wacker-Chemie GmbH
    Inventors: Michael Geck, Hans-Juergen Lautenschlager, Bernward Deubzer, Petra Stinglhammer, Peter Habereder, Kurt Ullrich
  • Patent number: 5302659
    Abstract: Emulsions which are prepared by reacting (A) an organopolysiloxane which has at least one monovalent SiC-bonded radical with primary and/or secondary amino groups, with (B) a carboxylic acid anhydride in the presence of (C) an emulsifier and (D) an aqueous phase. These emulsions are suitable as textile treating agents.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: April 12, 1994
    Assignee: Wacker-Chemie GmbH
    Inventors: Johann Bindl, Hans-Juergen Lautenschlager, Karl Huhn, Kiyoshi Ninomiya