Patents by Inventor Charles J. Lang

Charles J. Lang 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).

  • TISSUE THICKNESS COMPENSATOR COMPRISING AT LEAST ONE MEDICAMENT
    Publication number: 20240099716
    Abstract: In various embodiments, a tissue thickness compensator can comprise one or more capsules and/or pockets comprising at least one medicament therein. In at least one embodiment, staples can be fired through the tissue thickness compensator to rupture the capsules. In certain embodiments, a firing member, or knife, can be advanced through the tissue thickness compensator to rupture the capsules.
    Type: Application
    Filed: December 7, 2023
    Publication date: March 28, 2024
    Inventors: Frederick E. Shelton, IV, Katherine J. Schmid, Charles J. Scheib, Taylor W. Aronhalt, Matthew M. Lang, Steven G. Hall, Chester O. Baxter, III
  • Ammonia-ketone pulping process
    Patent number: 3951734
    Abstract: A method of employing the combination of ammonia and ketones as the cooking chemicals in a digester of a pulping process. This method results in a pulp which has a higher yield than the kraft process yet is characterized by kraft's high strength and fair bleachability. The spent liquor extracts are primarily lignin and contain little cellulose and hemi-cellulose.
    Type: Grant
    Filed: October 11, 1974
    Date of Patent: April 20, 1976
    Assignee: Weyerhaeuser Company
    Inventors: Gerrit G. DeHaas, Charles J. Lang