Patents by Inventor Thomas Liese-Sauer

Thomas Liese-Sauer 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).

  • Polyamides Formed From Metaxylylenediamine and Adipic and Having an Amino End Group Content of Less Than 15 Mmol/Kg
    Publication number: 20080287643
    Abstract: The present invention relates to novel and improved polyamides composed of meta-xylylenediamine and having an amino end group content of less than 15 mmol/kg. Also found have been processes for preparing these polyamides composed of meta-xylylenediamine and adipic acid and having an amino end group content of less than 15 mmol/kg, which comprises reacting salt solutions of adipic acid and m-xylylenediamine at temperatures of from 80 to 300° C. and a pressure of from 1 to 20 bar with removal of water.
    Type: Application
    Filed: October 17, 2006
    Publication date: November 20, 2008
    Applicant: BASF SE
    Inventors: Joachim Strauch, Jurgen Deininger, Bernhard Rosenau, Thomas Liese-Sauer, Rolf-Egbert Grutzner
  • Herbicidal sulfonamides and their use to influence plant growth
    Patent number: 5104441
    Abstract: Substituted sulfonylureas of the formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkenyl or alkynyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.3 -C.sub.6 -alkoxyalkyl, C.sub.4 -C.sub.6 -haloalkoxyalkyl or C.sub.5 -C.sub.6 -cycloalkyl,R.sup.2 is hydrogen, methyl or ethyl,R.sup.3 is hydrogen, halogen, methyl or methoxy,R.sup.4 is hydrogen, methyl or methoxy,X is N or C--H,and Hal is fluorine, chlorine or bromine, and alkali metal or alkaline earth metal salts thereof, with the proviso that R.sup.1 is not methyl when Hal is chlorine and X is N, a process for the manufacture of sulfonylureas of the formula I and their use as herbicides.
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: April 14, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Helmut Hagen, Thomas Liese-Sauer, Norbert Meyer, Bruno Wuerzer
  • 3,3-dimethylhex-5-en-2-one derivatives, preparation and use thereof
    Patent number: 4939303
    Abstract: 3,3-Dimethylhex-5-en-2-one derivatives of the formula (I) ##STR1## where A is hydrogen, halogen or C.sub.1 -C.sub.4 -haloalkyl,B is C.sub.1 -C.sub.4 -haloalkyl,X is hydrogen, or halogen andR is hydrogen, arylsulfonyl, alkylsulfonyl or haloalkylsulfonyl,are used for preparing pyrethroids.
    Type: Grant
    Filed: January 26, 1989
    Date of Patent: July 3, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Jochen Wild, Thomas Liese-Sauer, Norbert Goetz, Hans Theobald, Bernd Wolf
  • 2 and/or 3-trifluoromethyl-substituted quinoline 8-carboxylic acid derivatives and their use for controlling undesirable plant growth
    Patent number: 4804404
    Abstract: Fluoroalkyl-substituted quinoline derivatives of the formula ##STR1## where R.sup.1 is chlorine, fluorine, hydroxyl, O.sup..crclbar. Met.sup..sym., C.sub.1 -C.sub.4 -alkoxy or a radical of the formula ##STR2## R.sup.2 and R.sup.3 independently of one another are each hydrogen, C.sub.1 -C.sub.3 -alkyl or C.sub.1 -C.sub.3 -fluoroalkyl, R.sup.4 is fluorine, chlorine or bromine, with the proviso that one or both of the radicals R.sup.2 and R.sup.3 are C.sub.1 -C.sub.3 -fluoroalkyl, herbicides containing these compounds as active ingredients, and their use for controlling unwanted plant growth.
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: February 14, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Ulrich Eichenauer, Rolf-Dieter Kohler, Peter Plath, Thomas Liese-Sauer, Karl Eicken, Bruno Wuerzer, Norbert Meyer