Patents by Inventor Frederick Bligh Pippert

Frederick Bligh Pippert 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).

  • Hydrolytically degradable composition
    Patent number: 10752824
    Abstract: Disclosed are time controlled, hydrolytically degradable compositions that include a polyurethane; precipitated silica, carbon black, or a combination thereof; an organic acid adapted to facilitate degradation when the composition is contacted with water; a stabilizer; a first crosslinking agent; and an optional co-agent. The composition is adapted to degrade over a predetermined time period upon contact with water at a pH ranging from 5 to 8 and at a temperature ranging from 100° F. to 250° F.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: August 25, 2020
    Assignee: CDI Energy Products, Inc.
    Inventors: Xuan Fu, Frederick Bligh Pippert
  • HYDROLYTICALLY DEGRADABLE COMPOSITION
    Publication number: 20190144735
    Abstract: Disclosed are time controlled, hydrolytically degradable compositions that include a polyurethane; precipitated silica, carbon black, or a combination thereof; an organic acid adapted to facilitate degradation when the composition is contacted with water; a stabilizer; a first crosslinking agent; and an optional co-agent. The composition is adapted to degrade over a predetermined time period upon contact with water at a pH ranging from 5 to 8 and at a temperature ranging from 100° F. to 250° F.
    Type: Application
    Filed: November 6, 2018
    Publication date: May 16, 2019
    Inventors: Xuan Fu, Frederick Bligh Pippert