Patents by Inventor Cornelia Feil

Cornelia Feil 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).

  • Polymer particles and latices thereof for the immobilization of biologically active substances
    Patent number: 4829101
    Abstract: Polymer particles dispersible to form a latex and latices of such polymer particles, said particles being adaptable to the fixing or bonding thereto of a biologically active substance and having a core-shell construction wherein the polymer material of the core determines the stability of the form of the latex particles and their redispersibility, and the material of the shell(1) is so hydrophilic that it would be completely or largely water soluble if it were not anchored to the core material and/or crosslinked,(2) contains functional groups which are suitable for the covalent fixation or bonding of biological active substances, and(3) in an anhydrous condition has a T.sub..lambda.max from 20.degree.-250.degree. C., depending on its composition, and methods for bonding a biologically active substance to such particles, for example to prepare a diagnostic reagent.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: May 9, 1989
    Assignee: Rohm GmbH
    Inventors: Dieter Kraemer, Werner Siol, Gerhard Markert, Norbert Suetterlin, Cornelia Feil
  • Polymer particles and latices thereof for the immobilization of biologically active substances
    Patent number: 4710525
    Abstract: Polymer particles dispersible to form a latex and latices of such polymer particles, said particles being adaptable to the fixing or bonding thereto of a biologically active substance and having a core-shell construction wherein the polymer material of the core determines the stability of the form of the latex particles and their redispersibility, and the material of the shell(1) is so hydrophilic that it would be completely or largely water soluble if it were not anchored to the core material and/or crosslinked,(2) contains functional groups which are suitable for the covalent fixation or bonding of biological active substances, and(3) in an anhydrous condition has a T.sub..lambda.max from 20.degree.-250.degree. C., depending on its composition, and methods for bonding a biologically active substance to such particles, for example to prepare a diagnostic reagent.
    Type: Grant
    Filed: November 7, 1986
    Date of Patent: December 1, 1987
    Assignee: Rohm GmbH
    Inventors: Dieter Kraemer, Werner Siol, Gerhard Markert, Norbert Suetterlin, Cornelia Feil