Patents by Inventor Thomas Lee Ruppert

Thomas Lee Ruppert 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).

  • Solvent-based low temperature heat seal coating
    Patent number: 9624400
    Abstract: A low temperature heat seal coating solution which contains an amorphous or semi-crystalline polyester or co-polyester resin, tackifier, anti-blocking agent, and solvent. The coating solution can be applied to a packaging web such as a foil or film by converters using conventional methods such as gravure, rod, slot die, or printing process. The heal seal coating can be sealed to itself or another substrate to manufacture food packaging bags or pharmaceutical blister packaging. The heat seal temperature can be as low as 70° C. under conventional equipment and conditions in the industry.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: April 18, 2017
    Assignee: Bostik, Inc.
    Inventors: Darius K. Deak, Thomas Lee Ruppert, Elaine Lo
  • Solvent-Based Low Temperature Heat Seal Coating
    Publication number: 20150275032
    Abstract: A low temperature heat seal coating solution which contains an amorphous or semi-crystalline polyester or co-polyester resin, tackifier, anti-blocking agent, and solvent. The coating solution can be applied to a packaging web such as a foil or film by converters using conventional methods such as gravure, rod, slot die, or printing process. The heal seal coating can be sealed to itself or another substrate to manufacture food packaging bags or pharmaceutical blister packaging. The heat seal temperature can be as low as 70° C. under conventional equipment and conditions in the industry.
    Type: Application
    Filed: March 25, 2015
    Publication date: October 1, 2015
    Applicant: Bostik, Inc.
    Inventors: Darius K. Deak, Thomas Lee Ruppert, Elaine Lo