Patents by Inventor John Caster

John Caster 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).

  • Publication number: 20170247489
    Abstract: Glyoxalated polyacrylamide terpolymers and compositions formulated with them are described. These glyoxalated polyacrylamide terpolymers and compositions thereof, can have extended shelf lives and can be used as additives for papermaking, such as providing improved papermaking retention/drainage, and paper products with improved dry and/or temporary wet strength.
    Type: Application
    Filed: February 16, 2017
    Publication date: August 31, 2017
    Applicant: Buckman Laboratories International, Inc.
    Inventors: Samuel Tekobo, John Caster