Patents by Inventor Orum D. Stringer

Orum D. Stringer 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).

  • Patent number: 6156712
    Abstract: A new class of cationic surfactants are described, wherein these cationic surfactants are an ethoxylated alkyamidoalkyldialkylammonium salt and/or an ethoxylated trialkyl ammonium salt.
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: December 5, 2000
    Assignee: Colgate Palmolive Company
    Inventors: Orum D. Stringer, Robert J. Heffner, Clarence Robbins, Barbara Thomas, Philip Gorlin
  • Patent number: 5939378
    Abstract: This invention relates to a method of manufacturing a concentrated aqueous solution of an amine oxide and the use of the solution in cleaning compositions.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: August 17, 1999
    Assignee: Colgate Palmolive Company
    Inventors: Orum D. Stringer, Syed Hasain Abbas, Ravi Subramanyam
  • Patent number: 5929024
    Abstract: A new class of cationic surfactants are described, wherein these cationic surfactants are an ethoxylated alkyamidoalkyldialkylammonium salt and/or an ethoxylated trialkyl ammonium salt.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: July 27, 1999
    Assignee: Colgate Palmolive Company
    Inventors: Orum D. Stringer, Robert J. Heffner, Clarence Robbins, Barbara Thomas, Philip Gorlin
  • Patent number: 5922672
    Abstract: This invention relates to a method of manufacturing a concentrated aqueous solution of an amine oxide and the use of the solution in cleaning compositions.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: July 13, 1999
    Assignee: Colgate-Palmolive Co
    Inventors: Orum D. Stringer, Syed Hasain Abbas, Ravi Subramanyam
  • Patent number: 5912274
    Abstract: An oral antiplaque composition for treatment of teeth wherein the essential antiplaque agent is a substantially water insoluble noncationic antibacterial phenol containing, relative to the hydroxyl group, an alkyl or cycloalkyl group, preferably tert.-butyl (t-butyl), in the 2-position, and substituents in one or both of the 4- and 5-positions, one or both of which may be alkyl or cycloalkyl, one being preferably t-butyl.
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: June 15, 1999
    Assignee: Colgate-Palmolive Company
    Inventors: Orum D. Stringer, John C. Brahms, Malathy Subramanian, Ernest E. Kelly
  • Patent number: 5877143
    Abstract: A pumpable, fluid composition of amine oxide, betaine and/or sultaine is prepared with active concentration of about 36-45% of these materials by the addition of alkaline earth or aluminum salts.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: March 2, 1999
    Assignee: Colgate-Palmolive Co.
    Inventors: Syed Husain Abbas, Orum D. Stringer, Ravi Subramanyam
  • Patent number: 5858955
    Abstract: This invention relates to a method of manufacturing a concentrated aqueous solution of an amine oxide and the use of the solution in cleaning compositions.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: January 12, 1999
    Assignee: Colgate Palmolive Company
    Inventors: Orum D. Stringer, Syed Hasain Abbas, Ravi Subramanyam
  • Patent number: 5723500
    Abstract: An oral antiplaque composition and treatment of teeth therewith wherein the essential antiplaque agent is a substantially water insoluble noncationic antibacterial phenol containing, relative to the hydroxyl group, an alkyl or cycloalkyl group, preferably tert.-butyl (t-butyl), in 2-position, and substituents in one or both of the 4- and 5-positions, one of which may be phenyl or 2', 3' and/or 4' substituted alkyl or cycloalkyl phenyl, preferably 4'-t-butyl phenyl or a phenanthrene containing a hydroxyl substituent in the 2- or 3-position and alkyl or cycloalkyl, preferably t-butyl, substituents in the other of the 2- and 3-positions and in at least one of the other rings. Novel antibacterial alkylated phenols are also described.
    Type: Grant
    Filed: May 17, 1996
    Date of Patent: March 3, 1998
    Assignee: Colgate-Palmolive Company
    Inventors: Orum D. Stringer, John C. Brahms, Malathy Subramanian, Ernest E. Kelly
  • Patent number: 4663482
    Abstract: Certain 2-amino-6-.omega.-aminoethylphenols and thiophenols are intermediates for preparing D.sub.2 -dopamine agonistic aminoethyl substituted 1,3-benzthiazol- and 1,3-benzoxazol-2(3H)-ones.
    Type: Grant
    Filed: October 16, 1985
    Date of Patent: May 5, 1987
    Assignee: SmithKline Beckman Corporation
    Inventors: Orum D. Stringer, Joseph Weinstock
  • Patent number: 4593106
    Abstract: 4-[2-(Dialkylamino)ethyl]-7-hydroxyisatins are prepared by internal condensation of an oxime followed by removal of protecting groups. The compounds are D.sub.2 -agonists and, thereby, have anti-hypertensive activity. A species of the group is 4-[2-(di-n-propylamino)ethyl]-4-hydroxyisatin.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: June 3, 1986
    Assignee: SmithKline Beckman Corporation
    Inventors: Orum D. Stringer, Joseph Weinstock, James W. Wilson
  • Patent number: 4554284
    Abstract: Certain aminoethyl substituted 1,3-benzthiazol- and 1,3-benzoxazol-2(3H)-ones are D.sub.2 -dopamine agonists. These compounds are prepared by reacting an appropriate o-aminophenol or thiophenol with phosgene.
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: November 19, 1985
    Assignee: Smithkline Beckman Corporation
    Inventors: Orum D. Stringer, Joseph Weinstock
  • Patent number: 4554287
    Abstract: 7-[2-Dialkylamino)ethyl]-4-hydroxy-1,3-benzimidazol-2-ones are prepared by oxidative cyclization of a urea, followed by removal of protective groups. The compounds are D.sub.2 -agonists and, thereby, have anti-hypertensive activity. A species of the group is 7[2-N,N-di-n-propylamino)ethyl]-4-hydroxyl-1,3-benzimidazol-2-one.
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: November 19, 1985
    Assignee: Smithkline Beckman Corporation
    Inventors: Orum D. Stringer, Joseph Weinstock