Patents by Inventor Donald L. Schuster

Donald L. Schuster 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).

  • Chemical assisted lapping and polishing of metals
    Patent number: 7820068
    Abstract: Compositions for lapping gears and methods for preparing the same are described. These compositions contain a salt of polyaspartic acid and may contain additional components that are useful for lapping gears. Also provided are processes for using the compositions described herein.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: October 26, 2010
    Assignee: Houghton Technical Corp.
    Inventors: Qi Wang, Donald L. Schuster
  • CHEMICAL ASSISTED LAPPING AND POLISHING OF METALS
    Publication number: 20080197112
    Abstract: Compositions for lapping gears and methods for preparing the same are described. These compositions contain a salt of polyaspartic acid and may contain additional components that are useful for lapping gears. Also provided are processes for using the compositions described herein.
    Type: Application
    Filed: February 20, 2008
    Publication date: August 21, 2008
    Applicant: HOUGHTON TECHNICAL CORP.
    Inventors: Qi Wang, Donald L. Schuster