Patents by Inventor Ralph House

Ralph House 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).

  • Polyol stabilization additive for polypyrrolidone
    Patent number: 4162242
    Abstract: Certain polyhydric alcohols are thermal stabilization additives for normally solid polypyrrolidone at melt temperatures.
    Type: Grant
    Filed: May 24, 1978
    Date of Patent: July 24, 1979
    Assignee: Chevron Research Company
    Inventor: Ralph House
  • Ring polysulfonated alkylphenoxy alkylols as detergents
    Patent number: 4104023
    Abstract: Detergent active materials which are effective in the absence of phosphate builders comprise ring polysulfonated alkylphenoxy alkylols of the formula: ##STR1## in which R is linear alkyl of 16 to 22 carbon atoms, R" is alkylene of 1 to 5 carbon atoms, X is H or a water-soluble salt-forming cation, and m is an integer of 1 to 10.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: August 1, 1978
    Assignee: Chevron Research Company
    Inventors: Gar Lok Woo, Ralph House
  • Polymerization of 2-pyrrolidone with catalyst prepared from the reaction product of CO.sub.2 and anhydrous potassium pyrrolidonate
    Patent number: 4100145
    Abstract: The process for preparing substantially anhydrous solid catalyst for the polymerization of 2-pyrrolidone includes the step of contacting equimolar amounts of an alkali metal hydroxide and 2-pyrrolidone.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: July 11, 1978
    Assignee: Chevron Research Company
    Inventor: Ralph House
  • Dialkylaminobenzaldehyde polypyrrolidone composition
    Patent number: 4083827
    Abstract: The dialkylaminobenzaldehydes are thermal stabilization additives for solid polypyrrolidone at melt temperatures.
    Type: Grant
    Filed: September 29, 1976
    Date of Patent: April 11, 1978
    Assignee: Chevron Research Company
    Inventor: Ralph House
  • Carboxymethyloxysuccinates
    Patent number: 4011264
    Abstract: Carboxymethyloxysuccinate derivatives are new compounds whose water-soluble salts are effective sequestering agents (builders), especially in heavy-duty laundering compositions. The salts may be used in combination with anionic, nonionic, ampholytic and zwitterionic detergents. A process for the preparation of the acids and salts is provided.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: March 8, 1977
    Assignee: Chevron Research Company
    Inventor: Ralph House
  • Process of producing carboxydisulfosuccinates
    Patent number: 3987093
    Abstract: Carboxydisulfosuccinates useful as detergent builders are novel compounds prepared by addition of CO.sub.2 to disulfosuccinate.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: October 19, 1976
    Assignee: Chevron Research Company
    Inventor: Ralph House
  • Process for preparing nitroaromatic nitriles
    Patent number: 3979431
    Abstract: A process for preparing nitroaromatic nitriles which comprises reacting an aromatic carbocyclic nitrile with a mixture of nitric acid and sulfuric acid at a temperature of at least 35.degree.C and an acids-to-nitrile mol ratio of at least 3.5:1 and a nitric acid-to-nitrile mol ratio of at least 1:1.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: September 7, 1976
    Assignee: Chevron Research Company
    Inventor: Ralph House
  • Carboxydisulfosuccinates
    Patent number: 3965159
    Abstract: Carboxydisulfosuccinates useful as detergent builders are novel compounds prepared by addition of CO.sub.2 to disulfosuccinate.
    Type: Grant
    Filed: January 2, 1975
    Date of Patent: June 22, 1976
    Assignee: Chevron Research Company
    Inventor: Ralph House
  • Foam well cleanout using oligomeric sulfonic acids
    Patent number: 3953338
    Abstract: Organic disulfonic acids are produced by heating a sulfonate monomer at a temperature above 110.degree.C. in the substantial absence of water. Olefin sulfonation product mixtures, hydroxyalkane sulfonic acids, alkane sultones, alkene sulfonic acids and mixtures thereof are oligomerized under these conditions.
    Type: Grant
    Filed: September 25, 1974
    Date of Patent: April 27, 1976
    Assignee: Chevron Research Company
    Inventors: Alan E. Straus, William A. Sweeney, Ralph House, Samuel H. Sharman
  • Foam well cleanout using oligomeric sulfonates
    Patent number: 3951823
    Abstract: Organic disulfonic acids are produced by heating a sulfonate monomer at a temperature above 110.degree.C. in the substantial absence of water. Olefin sulfonation product mixtures, hydroxyalkane sulfonic acids, alkane sultones, alkene sulfonic acids and mixtures thereof are oligomerized under these conditions.
    Type: Grant
    Filed: September 25, 1974
    Date of Patent: April 20, 1976
    Assignee: Chevron Research Company
    Inventors: Alan E. Straus, William A. Sweeney, Ralph House, Samuel H. Sharman