Patents by Inventor Sigird C. Kuebler

Sigird C. Kuebler 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).

  • Flow-injection analysis and variable-flow light-scattering methods and apparatus for characterizing polymers
    Patent number: 6175409
    Abstract: Rapid characterization and screening of polymer samples to determine average molecular weight, molecular weight distribution and other properties is disclosed. Rapid flow characterization systems and methods, including liquid chromatography and flow-injection analysis systems and methods are preferably employed. High throughput, automated sampling systems and methods, high-temperature characterization systems and methods, and rapid, indirect calibration compositions and methods are also disclosed. The described methods, systems, and devices have primary applications in combinatorial polymer research and in industrial process control.
    Type: Grant
    Filed: April 2, 1999
    Date of Patent: January 16, 2001
    Assignee: Symyx Technologies, Inc.
    Inventors: Ralph B. Nielsen, Sigird C. Kuebler, James Bennett, Adam Safir, Miroslav Petro