Patents by Inventor Thomas Robert Nicholas

Thomas Robert Nicholas 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).

  • Green and atom-economical processes for producing phenolic antioxidants
    Patent number: 8766016
    Abstract: Processes for producing 1,3,5-trimethyl-2,4,6-tris(3,5-dialkyl-4-hydroxybenzyl)benzene are provided, in particular such processes that utilize 2,6-di-tert-butylphenol, paraformaldehyde, a secondary amine, mesitylene, and acetic acid.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: July 1, 2014
    Assignee: Albermarle Corporation
    Inventors: Mahmood Sabahi, Thomas Robert Nicholas
  • GREEN AND ATOM-ECONOMICAL PROCESSES FOR PRODUCING PHENOLIC ANTIOXIDANTS
    Publication number: 20120108854
    Abstract: Processes for producing 1,3,5-trimethyl-2,4,6-tris(3,5-dialkyl-4-hydroxybenzyl)benzene are provided, in particular such processes that utilize 2,6-di-tert-butylphenol, paraformaldehyde, a secondary amine, mesitylene, and acetic acid.
    Type: Application
    Filed: July 6, 2010
    Publication date: May 3, 2012
    Applicant: Albemarle Corporation
    Inventors: Mahmood Sabahi, Thomas Robert Nicholas