Patents by Inventor Dennis Frederick Berry

Dennis Frederick Berry 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: 11692078
    Abstract: A coated fiber for polymer reinforcement is disclosed. The coated fiber comprises a fiber and a coating disposed about said fiber. The fiber has a denier of from about 250 to about 3,000. The coating comprises a branched polyethylene imine. The fiber is present in the coated fiber in an amount of from about 80 to about 99.8 percent by weight and the coating is present in the coated fiber in an amount of from about 0.2 to about 20 percent by weight, with percent by weight based on the total weight of the coated fiber. A method of producing the coated fiber is also disclosed.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: July 4, 2023
    Assignee: BASF SE
    Inventors: Charles O. Kerobo, John Andrew Randolph, Dennis Frederick Berry
  • Publication number: 20220411607
    Abstract: The presently claimed invention relates to aramid pulp comprising a plurality of fibrils having a coating of polyalkyleneimine disposed thereon. The presently claimed invention further relates to a method of coating the aramid pulp with polyalkyleneimine. The presently claimed invention also relates to a rubber composition comprising the coated aramid pulp and rubber as well as to a method for preparing the rubber composition.
    Type: Application
    Filed: January 5, 2021
    Publication date: December 29, 2022
    Inventors: Charles O. Kerobo, John Andrew Randolph, Dennis Frederick Berry, Padma P. Varanasi
  • Publication number: 20220117232
    Abstract: Described herein is an antimicrobial composition used in produce, poultry, and meat processing. The composition includes an alkylpolyglycoside having a formula: R—O-(G)n-H, where n is 1 to 2, G is a saccharide residue having 5 to 6 carbon atoms, and R is an alkyl group such that the alkylpolyglycoside has an average alkyl chain length of from 8-14. The alkylpolyglycoside is present in an active amount of from 0.01 to 8 weight percent based on a total weight of the composition. The composition also includes an antimicrobial agent chosen from organic acids, mineral acids, cetylpyridinium chloride, elemental silver and/or silver salts, and combinations thereof. The antimicrobial agent is present in an amount of from 0.002 to 2.5 weight percent based on the total weight of the composition.
    Type: Application
    Filed: August 16, 2019
    Publication date: April 21, 2022
    Inventors: Dennis Frederick Berry, Kenneth L. Zack, Abhijit Natu
  • Publication number: 20200140657
    Abstract: A coated fiber for polymer reinforcement is disclosed. The coated fiber comprises a fiber and a coating disposed about said fiber. The fiber has a denier of from about 250 to about 3,000. The coating comprises a branched polyethylene imine. The fiber is present in the coated fiber in an amount of from about 80 to about 99.8 percent by weight and the coating is present in the coated fiber in an amount of from about 0.2 to about 20 percent by weight, with percent by weight based on the total weight of the coated fiber. A method of producing the coated fiber is also disclosed.
    Type: Application
    Filed: March 5, 2018
    Publication date: May 7, 2020
    Inventors: Charles O. Kerobo, John Andrew Randolph, Dennis Frederick Berry