Patents by Inventor Eric Samuel Nicholson

Eric Samuel Nicholson 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).

  • Amine condensate
    Patent number: 4013720
    Abstract: Amine condensates of the formula: ##STR1## where R.sup.1 and R.sup.2 are the same or different and are hydrogen, alkyl, alkoxy or dialkylamino.The amine condensates are produced by the reaction of diphenylamines and furfuraldehyde and are useful as antioxidants especially for rubbers.
    Type: Grant
    Filed: January 20, 1976
    Date of Patent: March 22, 1977
    Assignee: Imperial Chemical Industries Limited
    Inventors: Eric Samuel Nicholson, Brian Thomas Ashworth