Patents by Inventor Sheldon Bernard Park

Sheldon Bernard Park 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: 6197766
    Abstract: Insecticidal dihydrooxadiazine compounds having the formula: wherein X is O, N or S; R is a substituted or unsubstituted phenyl or C4-C5 heterocyclic group; R2, R3, R4, and R5 are one of the following: a) R2, R3, and R4 are, independently, hydrogen, alkyl, alkoxy, or furanyl; and R5 is nitro, cyano, alkyl, dialkylamino, alkylthio, alkoxy, haloalkoxy, phenoxy, phenylthio, or alkoxycarbonyl, wherein R3 and R5 together can form a ring; or b) R3, R4, and R5 are hydrogen; and R2 is alkylthio, alkylsulfinyl, alkylsulfonyl, nitroalkoxy, hydroxy, dialkoxyphosphinyl, cyano, acyloxy, alkoxy, haloalkoxy, cycloalkyl, or alkenyl; or R2 is a substituted or unsubstituted phenyl, phenylthio, phenylsulfinyl, phenylsulfonyl, pyrazolyl, furanyl, thienyl, phenylalkoxy, or benzoyloxy; and R6 is hydrogen, alkyl, alkylthio, alkoxyalkyl, acyl, benzyl, or alkoxycarbonyl.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: March 6, 2001
    Assignees: Uniroyal Chemical Company, Inc. and Uniroyal Chemical Co., Uniroyal Chemical Cie.
    Inventors: Sheldon Bernard Park, Anupama Mishra, Mark Achiel Dekeyser, Paul Thomas McDonald
  • Patent number: 6093843
    Abstract: Compounds having the formula: ##STR1## wherein R is hydrogen or CO.sub.2 CH(CH.sub.3).sub.2, useful as intermediates in the preparation of the miticide bifenazate, methods for their preparation, and methods for the preparation of bifenazate.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: July 25, 2000
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Co./CIE.
    Inventors: Gaik-Lean Chee, Sheldon Bernard Park, Mark Archiel Dekeyser