Patents by Inventor Gergory Andrew Kramer

Gergory Andrew Kramer 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).

  • Patent number: 7893138
    Abstract: Carboxyalkylcellulose esters are disclosed having relatively low degrees of polymerization. These new carboxyalkylcellulose esters include carboxymethylcellulose acetate, carboxymethylcellulose acetate propionate, and carboxymethylcellulose acetate butyrate. The inventive esters exhibit solubility in a range of organic solvents, and are useful in coatings and ink compositions as binder resins and rheology modifiers.
    Type: Grant
    Filed: March 9, 2004
    Date of Patent: February 22, 2011
    Assignee: Eastman Chemical Company
    Inventors: Michael Charles Shelton, Alan Kent Wilson, Jessica Dee Posey-Dowty, Gergory Andrew Kramer, Luis Guillermo Rios Perdomo