Patents by Inventor Walter S. Trahanovsky

Walter S. Trahanovsky 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).

  • Method for the conversion of cellulose and related carbohydrate materials to low-molecular-weight compounds
    Patent number: 8686192
    Abstract: Methods of converting cellulose or related biorenewable carbohydrate materials into high-value chemical compounds. The methods provide a means of converting low-cost materials such as cellulose and biomass into high yields of compounds such as ethylene glycol, propylene glycol, glycerin, methanol, hydroxyacetone, glycolaldehyde and dihydroxyacetone.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: April 1, 2014
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Walter S. Trahanovsky, Ronald C. Holtan, Kyle W. Quasdorf, Norman K. Olson, Alyse A. Dilts, Joseph A. Marshall
  • NOVEL METHOD FOR THE CONVERSION OF CELLULOSE AND RELATED CARBOHYDRATE MATERIALS TO LOW-MOLECULAR-WEIGHT COMPOUNDS
    Publication number: 20130060067
    Abstract: Methods of converting cellulose or related biorenewable carbohydrate materials into high-value chemical compounds. The methods provide a means of converting low-cost materials such as cellulose and biomass into high yields of compounds such as ethylene glycol, propylene glycol, glycerin, methanol, hydroxyacetone, glycolaldehyde and dihydroxyacetone.
    Type: Application
    Filed: August 24, 2012
    Publication date: March 7, 2013
    Applicant: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
    Inventors: Walter S. Trahanovsky, Ronald C. Holtan, Kyle W. Quasdorf, Norman K. Olson, Alyse A. Dilts, Joseph A. Marshall
  • Method for the conversion of cellulose and related carbohydrate materials to low-molecular-weight compounds
    Patent number: 8383864
    Abstract: Methods of converting cellulose or related biorenewable carbohydrate materials into high-value chemical compounds. The methods provide a means of converting low-cost materials such as cellulose and biomass into high yields of compounds such as ethylene glycol, propylene glycol, glycerin, methanol, hydroxyacetone, glycolaldehyde and dihydroxyacetone.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: February 26, 2013
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Walter S. Trahanovsky, Ronald C. Holtan, Kyle W. Quasdorf, Norman K. Olson, Alyse A. Hurd, Joseph A. Marshall
  • NOVEL METHOD FOR THE CONVERSION OF CELLULOSE AND RELATED CARBOHYDRATE MATERIALS TO LOW-MOLECULAR-WEIGHT COMPOUNDS
    Publication number: 20110137085
    Abstract: Methods of converting cellulose or related biorenewable carbohydrate materials into high-value chemical compounds. The methods provide a means of converting low-cost materials such as cellulose and biomass into high yields of compounds such as ethylene glycol, propylene glycol, glycerin, methanol, hydroxyacetone, glycolaldehyde and dihydroxyacetone.
    Type: Application
    Filed: December 8, 2010
    Publication date: June 9, 2011
    Applicant: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
    Inventors: WALTER S. TRAHANOVSKY, RONALD C. HOLTAN, KYLE W. QUASDORF, NORMAN K. OLSON, ALYSE A. HURD, JOSEPH A. MARSHALL
  • Chemical carbonless copy paper
    Patent number: 4467337
    Abstract: An improved chemical carbonless copy paper employing a selectively constituted hot melt coating for CB type pressure sensitive carbonless copy paper having discrete liquid droplets of a composite metallic salt solution chromogenic reagent material contained therein.
    Type: Grant
    Filed: May 4, 1982
    Date of Patent: August 21, 1984
    Assignee: Frye Copysystems, Inc.
    Inventors: Gene D. Carlson, Walter S. Trahanovsky