Patents by Inventor Clarence Edward Roth, Jr.

Clarence Edward Roth, Jr. 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).

  • Olefin polymer compositions stabilized against discoloration
    Patent number: 3941747
    Abstract: Olefin polymer compositions are provided having enhanced stability against discoloration. The polymer compositions consist essentially of a normally solid olefin polymer such as polyethylene having incorporated therein, on a weight basis, 0.001 - 0.2 percent of 2,6-ditertiarybutyl-4-methylphenol* and 0.0005 - 0.4 percent of 2,6-ditertiarybutyl-4-ethylphenol**, with the quantity of 2,6-ditertiarybutyl-4-ethylphenol being present in a minimum amount of 50 weight % of the 2,6-ditertiarybutyl-4-methylphenol.*In subsequent discussions, this chemical sometimes will be referred to as BHT, which signifies butylated hydroxy toluene**In subsequent discussions, 2,6-ditertiarybutyl-4-ethylphenol sometimes will be referred to as BHEB, which signifies butylated hydroxy ethylbenzene.
    Type: Grant
    Filed: November 27, 1973
    Date of Patent: March 2, 1976
    Assignee: Gulf Oil Corporation
    Inventors: Clarence Edward Roth, Jr., Joseph Arnold Lasswell, William Dennis Bybee, Earl Brewer Parker, Jr.