Patents by Inventor Richard A. Gencarelli

Richard A. Gencarelli 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).

  • Liquid antiozonants and rubber compositions containing same
    Patent number: 6706217
    Abstract: Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected from the group consisting of ketones containing from 4 to about 12 carbon atoms, aldehydes containing from 1 to about 12 carbon atoms and mixtures thereof in the presence of a reductive alkylation catalyst is provided. Rubber compositions containing the liquid antiozonant mixtures is also provided.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: March 16, 2004
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Russell E. Malz, Jr., Michael P. Reynolds, Richard A. Gencarelli
  • Liquid antiozonants and rubber compositions containing same
    Patent number: 6706216
    Abstract: Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected from the group consisting of ketones containing from 4 to about 12 carbon atoms, aldehydes containing from 1 to about 12 carbon atoms and mixtures thereof in the presence of a reductive alkylation catalyst is provided. Rubber compositions containing the liquid antiozonant mixtures is also provided.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: March 16, 2004
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Russell E. Malz, Jr., Michael P. Reynolds, Richard A. Gencarelli
  • Liquid antiozonants and rubber compositions containing same
    Publication number: 20020061946
    Abstract: Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected from the group consisting of ketones containing from 4 to about 12 carbon atoms, aldehydes containing from 1 to about 12 carbon atoms and mixtures thereof in the presence of a reductive alkylation catalyst is provided. Rubber compositions containing the liquid antiozonant mixtures is also provided.
    Type: Application
    Filed: October 22, 2001
    Publication date: May 23, 2002
    Inventors: Russell E. Malz, Michael P. Reynolds, Richard A. Gencarelli
  • Process for making 2-mercapto benzimidazoles in the presence of a water-insoluble alkanol
    Patent number: 4593105
    Abstract: A process is provided for making benzimidazoles having the formula ##STR1## wherein Y is oxygen, sulfur or --NH; R.sup.1 is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.6 cycloalkyl, C.sub.6 -C.sub.10 aryl, C.sub.7 -C.sub.9 aralkyl or C.sub.7 -C.sub.9 alkaryl; R.sup.2 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen; and n is 1 or 2; comprising reacting a compound having the formula ZYCN, wherein Z is an alkali metal or ammonium moiety and Y has the meanings above; with a compound having the formula ##STR2## wherein R.sup.1, R.sup.2 and n have the meanings above, in the presence of a C.sub.4 -C.sub.10 alkanol and, except when Z is NH.sub.4, in the presence of an acid.
    Type: Grant
    Filed: September 1, 1982
    Date of Patent: June 3, 1986
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Richard A. Gencarelli, Edward L. Wheeler
  • Process for making triazoles
    Patent number: 4528381
    Abstract: The invention provides a process for preparing triazoles comprising reacting a compound having the structural formula ##STR1## with a compound having the formulaR--ON.dbd.Oin the presence of C.sub.6 -C.sub.10 alkanol, wherein n is 0, 1 or 2, R is C.sub.6 -C.sub.10 alkyl and R.sup.1 is hydrogen or C.sub.1 -C.sub.10 alkyl.
    Type: Grant
    Filed: August 26, 1982
    Date of Patent: July 9, 1985
    Assignee: Uniroyal, Inc.
    Inventors: Richard A. Gencarelli, Edward L. Wheeler
  • Phenolic esteramide antioxidants
    Patent number: 4305868
    Abstract: Novel phenolically substituted esterbisamides as antioxidants useful for the protection of organic materials such as synthetic and natural rubbers, plastics and petroleum products against oxidative degradation.
    Type: Grant
    Filed: May 30, 1979
    Date of Patent: December 15, 1981
    Assignee: Uniroyal, Inc.
    Inventors: Edward L. Wheeler, Elmar H. Jancis, Richard A. Gencarelli, Franklin H. Barrows
  • Polyfunctional phenolic oxamide antioxidants
    Patent number: 4304714
    Abstract: Novel phenolic oxamide antioxidants for protecting organic materials such as synthetic and natural rubbers, petroleum products, and plastics from oxidative degradation.
    Type: Grant
    Filed: May 30, 1979
    Date of Patent: December 8, 1981
    Assignee: Uniroyal, Inc.
    Inventors: Edward L. Wheeler, Elmar H. Jancis, Richard A. Gencarelli, Franklin H. Barrows
  • 1,5-Bis(3',5'-di-hydrocarbyl-4'-hydroxyphenyl)pentyl amines
    Patent number: 4098764
    Abstract: This invention is directed to 1,5-bis(3',5'-dihydrocarbyl-4'-hydroxyphenyl)pentyl derivatives, including the 3-pentyl ester, amine and amide compounds. It also deals with the stabilization of organic materials by incorporating such compounds therein, either alone or in combination with a dialkyl 3,3'-thiodipropionate or a tri(alkaryl)phosphite.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: July 4, 1978
    Assignee: Uniroyal, Inc.
    Inventors: Richard A. Gencarelli, Edward L. Wheeler
  • 1,5-Bis(3',5'-di-hydrocarbyl-4'-hydroxyphenyl)pentyl derivatives
    Patent number: 3996194
    Abstract: This invention is directed to 1,5-bis(3',5'-dihydrocarbyl-4'-hydroxyphenyl)pentyl derivatives, including the 3-pentyl ester, amine and amide compounds. It also deals with the stabilization of organic materials by incorporating such compounds therein, either alone or in combination with a dialkyl 3,3'-thiodipropionate or a tri(alkaryl)phosphite.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: December 7, 1976
    Assignee: Uniroyal Inc.
    Inventors: Richard A. Gencarelli, Edward L. Wheeler
  • Extreme pressure additive for lubricants
    Patent number: 3988249
    Abstract: Antimony N-(2-octyl)-N-ethyldithiocarbamate confers extreme pressure properties on lubricants.
    Type: Grant
    Filed: February 11, 1974
    Date of Patent: October 26, 1976
    Assignee: Uniroyal Inc.
    Inventors: Richard A. Gencarelli, Keith A. Hughes, John F. Sierakowski