Patents by Inventor Matthew D. Sorenson

Matthew D. Sorenson 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).

  • Process and apparatus for comparing chemical products
    Patent number: 6311134
    Abstract: A process and apparatus for comparing chemical products includes a plurality of multi-code groups. Each of the multi-code groups includes a substance code indicating a chemical substance code identifying the product, a specification number code indicating a number of specifications characterizing the chemical substance, and a specification type code indicating the types of specifications, if any, characterizing the chemical substance and/or the attributes, if any, of the chemical substance. The multi-code groups for different products are compared so as to identify similarities and differences between different products based on similarities and differences between corresponding substance codes, specification number codes and specification type codes of the different products.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: October 30, 2001
    Assignee: Mallinckrodt Inc.
    Inventor: Matthew D. Sorenson