Patents by Inventor William C. Hollyday, Jr.

William C. Hollyday, 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).

  • Nitrogen-containing cold flow improvers for middle distillates
    Patent number: 3982909
    Abstract: Nitrogen compounds such as amides, diamides, and ammonium salts of: monoamides or monoesters of dibasic acids, alone or in combination, with: (a) a hydrocarbon selected from the group of petrolatums, microcrystalline wax, aromatics alkylated with C.sub.12 to C.sub.40 alkyl groups and isomerized waxes, and/or (b) a pour point depressant, particularly an ethylene backbone polymeric pour point depressant, are wax crystal modifiers and cold flow improvers for middle distillate fuel oils, particularly diesel fuel.
    Type: Grant
    Filed: February 13, 1975
    Date of Patent: September 28, 1976
    Assignee: Exxon Research and Engineering Company
    Inventor: William C. Hollyday, Jr.
  • Middle distillate petroleum oils containing cold flow improving additives
    Patent number: 3955940
    Abstract: Secondary amines having two straight chain aliphatic hydrocarbon groups of 8 to 30 carbon atoms each are wax crystal modifiers for middle distillate fuel oils and can be used in combination with polymeric pour point depressants and an amorphous petrolatum, to lower the pour point and/or improve cold flow properties of the oil.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: May 11, 1976
    Assignee: Exxon Research and Engineering Company
    Inventor: William C. Hollyday, Jr.