Patents by Inventor Hans-Jurgen Buschmann

Hans-Jurgen Buschmann 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).

  • Publication number: 20160106879
    Abstract: The invention relates to an antiseptic material, in particular as a wound dressing, containing a carrier material and at least one antiseptic together with a surfactant, wherein the carrier material is equipped with a cyclodextrin or cyclodextrin derivative that is loaded in the antiseptic or antiseptics.
    Type: Application
    Filed: March 1, 2013
    Publication date: April 21, 2016
    Applicant: HAWEST RESEARCH AG
    Inventors: Harald K. HORCHLER, Hans-Jürgen BUSCHMANN
  • Publication number: 20100267300
    Abstract: The invention relates to a process for the preparation of reactive cyclodextrins, in which process the cyclodextrins CD are reacted with a bifunctional alkyl compound X—(CH2)n—Y, wherein X is a group which reacts with CD, n is an integer from 2 to 20 and Y is a group which reacts with a group Z or is a group-Reactive which is capable of reaction with cellulosic or proteinic materials and, optionally, in a further step, insofar as Y is a group which reacts with a group Z, the resulting product is reacted with a reactive anchor compound Z-Reactive to form the reactive cyclodextrin, and also to reactive cyclodextrins prepared in accordance therewith, to materials dressed therewith and to the use thereof.
    Type: Application
    Filed: June 3, 2010
    Publication date: October 21, 2010
    Inventors: Andreas SCHMIDT, HANS-JÜRGEN BUSCHMANN, DIERK KNITTEL, ECKHARD SCHOLLMEYER
  • Patent number: 7754877
    Abstract: The invention relates to a process for the preparation of reactive cyclodextrins, in which process the cyclodextrins CD are reacted with a bifunctional alkyl compound X—(CH2)n—Y, wherein X is a group which reacts with CD, n is an integer from 2 to 20 and Y is a group which reacts with a group Z or is a group-Reactive which is capable of reaction with cellulosic or proteinic materials and, optionally, in a further step, insofar as Y is a group which reacts with a group Z, the resulting product is reacted with a reactive anchor compound Z-Reactive to form the reactive cyclodextrin, and also to reactive cyclodextrins prepared in accordance therewith, to materials dressed therewith and to the use thereof.
    Type: Grant
    Filed: November 14, 2002
    Date of Patent: July 13, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Andreas Schmidt, Hans-Jürgen Buschmann, Dierk Knittel, Eckhard Schollmeyer
  • Publication number: 20050260905
    Abstract: The invention relates to a textile material with a cyclodextrin finishing having a polymeric matrix containing cyclodextrin and/or a cyclodextrin derivative, as well as a method for the manufacture of such a textile material.
    Type: Application
    Filed: December 7, 2001
    Publication date: November 24, 2005
    Inventors: Hans-Jurgen Buschmann, Eckhard Schollmeyer
  • Publication number: 20050080254
    Abstract: The invention relates to a process for the preparation of reactive cyclodextrins, in which process the cyclodextrins CD are reacted with a bifunctional alkyl compound X—(CH2)n—Y, wherein X is a group which reacts with CD, n is an integer from 2 to 20 and Y is a group which reacts with a group Z or is a group-Reactive which is capable of reaction with cellulosic or proteinic materials and, optionally, in a further step, insofar as Y is a group which reacts with a group Z, the resulting product is reacted with a reactive anchor compound Z-Reactive to form the reactive cyclodextrin, and also to reactive cyclodextrins prepared in accordance therewith, to materials dressed therewith and to the use thereof.
    Type: Application
    Filed: November 14, 2002
    Publication date: April 14, 2005
    Inventors: Andreas Schmidt, Hans-Jurgen Buschmann, Dierk Knittel, Eckhard Schollmeyer
  • Patent number: 5250078
    Abstract: Dyeing polyester textile material with disperse dyes from supercritical CO.sub.2 gives stronger dyeings by carrying out the subsequent pressure reduction in a plurality of steps.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: October 5, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Saus, Dierk Knittel, Eckhard Schollmeyer, Hans-Jurgen Buschmann