Patents by Inventor William M. Cummings

William M. Cummings 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).

  • Detergent fuel composition
    Patent number: 4330303
    Abstract: A motor fuel composition comprising a mixture of hydrocarbons boiling in the gasoline boiling range and a detergent additive comprising an ethylenediamine reaction product of a hydrocarbyl-substituted acid lactone reaction product.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: May 18, 1982
    Assignee: Texaco Inc.
    Inventors: William M. Cummings, Justin C. Powell
  • Glycol polyether-acrylic acid-amine reaction product for fuel and mineral oils
    Patent number: 4251670
    Abstract: A glycol polyether-acrylic acid-amine reaction product having detergent and corrosion inhibiting properties for fuels and lubricating oil compositions is provided.
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: February 17, 1981
    Assignee: Texaco Inc.
    Inventor: William M. Cummings
  • Amine derivatives of hydrocarbyl lactam carboxylic acids as fuel additives
    Patent number: 4185965
    Abstract: This invention relates to motor fuel compositions containing dihydroimidazoline, tetrahydropyrimidine and amide derivatives of hydrocarbyl substituted lactam acids.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: January 29, 1980
    Assignee: Texaco Inc.
    Inventors: Raymond C. Schlicht, William M. Cummings
  • Process for the preparation of alkenylated dicarboxylic acid lactones
    Patent number: 4153616
    Abstract: An improvement in a process for the preparation of alkenyldicarboxylic acid lactones by alkenylation of maleic anhydride or other C.sub.4 H.sub.2 O.sub.3, C.sub.5 H.sub.4 O.sub.3, or C.sub.6 H.sub.6 O.sub.3 alkendioic anhydrides or their corresponding acids wherein the unsaturation is conjugated with at least one carboxy group with olefins having a molecular weight from about 200 to 3000 whereby alkenyldicarboxylic acids or its anhydrides is formed together with a sludge and is thereafter subjected to lactonization or hydrolysis-lactonization in the presence of a catalyst and in the presence of at least a portion of the sludge.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: May 8, 1979
    Assignee: Texaco Inc.
    Inventors: Justin C. Powell, William M. Cummings
  • Polyether-maleic anhydride reaction product containing motor fuel composition
    Patent number: 4144034
    Abstract: Motor fuel composition comprising a mixture of hydrocarbons in a gasoline boiling range containing a polyether-maleic anhydride reaction product represented by the formula: ##STR1## in which R is an aliphatic hydrocarbon radical having from about 6 to 20 carbon atoms and x has a value from 1 to 3.
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: March 13, 1979
    Assignee: Texaco Inc.
    Inventor: William M. Cummings
  • Detergent fuel composition
    Patent number: 4144036
    Abstract: Motor fuel composition comprising a mixture of hydrocarbons in a gasoline boiling range containing a polyether reaction product on an asparagine represented by the formula: ##STR1## in which R is an aliphatic hydrocarbon radical having from about 10 to 20 carbon atoms.
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: March 13, 1979
    Assignee: Texaco Inc.
    Inventor: William M. Cummings
  • Detergent additive and motor fuel composition
    Patent number: 4132531
    Abstract: Detergent additive comprising the reaction product of anaminoakyl-substituted piperazine, and a hydrocarbyl-substituted acid lactone reaction product, and a motor fuel composition containing the detergent additive.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: January 2, 1979
    Assignee: Texaco Inc.
    Inventors: William M. Cummings, Justin C. Powell
  • Hydrocarbyl amine substituted propionic ester
    Patent number: 4035409
    Abstract: Hydrocarbylamine substituted propionic esters represented by the formula:RR'NCH.sub.2 CH.sub.2 COOR"in which R is an aliphatic hydrocarbon radical having from 12 to 22 carbon atoms, R' is hydrogen or a lower alkyl radical having from 1 to 2 carbon atoms and R" is a hydrocarbon radical having from about 8 to 22 carbon atoms, and a motor fuel composition containing said esters.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: July 12, 1977
    Assignee: Texaco Inc.
    Inventor: William M. Cummings
  • Fabric softener composition
    Patent number: 3979307
    Abstract: A composition for imparting softness to fabrics by utilizing an aqueous dispersion of a di(secondary alkyl) ammonium sulfate or phosphate.
    Type: Grant
    Filed: September 10, 1973
    Date of Patent: September 7, 1976
    Assignee: Texaco Inc.
    Inventors: Jack H. Kolaian, Ronald E. Jones, Wheeler C. Crawford, William M. Cummings