Patents Assigned to Ethyl Corportation
  • Chemical process for preparing 1,3 diketones
    Patent number: 4456770
    Abstract: Novel (3',5'-dihydrocarbyl-4'-hydroxybenzyl)-1,3-diketones are prepared by reacting an N,N-dihydrocarbyl-2,6-dihydrocarbyl-4-aminomethylphenol with a 1,3-diketone in the presence of a basic substance. The products are useful as antioxidants.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: June 26, 1984
    Assignee: Ethyl Corportation
    Inventors: Charles R. Everly, Jerry M. Roper