Patents by Inventor Gaik-Lean Chee

Gaik-Lean Chee 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).

  • Publication number: 20120142676
    Abstract: Novel derivatives of dihydro-1,4,2-oxathiazine and dihydro-1,4-dithiine oxides, more particularly, novel derivatives of dihydro-1,4,2-oxathiazine and dihydro-1,4-dithiine oxides that target cysteine residues of biomolecules of pharmacological importance are provided as pharmaceutically useful compounds, for example, as anticancer, antiinfectious, antigastric acid secretion, antiosteoporosic, and antiinflammatory agents.
    Type: Application
    Filed: July 27, 2011
    Publication date: June 7, 2012
    Inventors: Gaik-Lean Chee, Walter G. Brouwer, Ewa Osika, Brian B. Hasinoff, A. David Brewer
  • Patent number: 7572753
    Abstract: The use of certain tetrazole compounds as fungicides is disclosed wherein said compounds are of the structural formula: wherein: R is selected from the group consisting of phenyl groups of the structural formula: and thienyl groups of the structural formula: and X and Y are each selected from the group consisting of hydrogen, haloalkyl, halogen, and nitro. Novel compounds wherein X is selected from the group consisting of haloalkyl, halogen, and nitro and Y is selected from the group consisting of hydrogen, haloalkyl, halogen, and nitro are also disclosed.
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: August 11, 2009
    Assignee: Chemtura Corporation
    Inventors: Mark A. Dekeyser, Ahmad Ghavami, Robert G. Davis, Sheldon B. Park, Steven J. Hobbs, Clifford Pratt, Gaik-Lean Chee, Daniel Walther
  • Publication number: 20070060631
    Abstract: The use of certain tetrazole compounds as fungicides is disclosed wherein said compounds are of the structural formula: wherein: R is selected from the group consisting of phenyl groups of the structural formula: and thienyl groups of the structural formula: and X and Y are each selected from the group consisting of hydrogen, haloalkyl, halogen, and nitro. Novel compounds wherein X is selected from the group consisting of haloalkyl, halogen, and nitro and Y is selected from the group consisting of hydrogen, haloalkyl, halogen, and nitro are also disclosed.
    Type: Application
    Filed: September 15, 2005
    Publication date: March 15, 2007
    Inventors: Mark Dekeyser, Ahmad Ghavami, Robert Davis, Sheldon Park, Steven Hobbs, Clifford Pratt, Gaik-Lean Chee, Daniel Walther
  • Patent number: 7045512
    Abstract: A fungicidally active compound of the formula: a) wherein Q is —NY—NH—, —N?N—, or X is oxygen, sulfur, sulfoxide, or sulfone; n is 0 or 1; Y is hydrogen, C1–C4 alkanoyl, C1–C4 haloalkanoyl, C1–C6 straight chain or branched alkoxycarbonyl, C1–C4 alkoxy(C1–C4)alkoxycarbonyl, C1–C4 alkyl, or C1–C4 haloalkyl; R1 is C1–C6 alkoxy, C3–C6 branched alkoxy, C3–C6 cycloalkoxy, phenoxy, benzyloxy, C2–C6 alkenyloxy, C2–C6 alkynyloxy, C1–C6 haloalkoxy, silyloxy, (C1–C6 alkoxy)-carbonylmethoxy, C1–C6 thioalkoxy, C1–C6 alkylamino, C1–C6 alkyl, C3–C6 branched alkyl, (C1–C6 alkoxy) C1–C6 alkoxy, or (C1–C6 alkoxy)carbonyl; R2 and R3 are each, independently, hydrogen, halogen, C1–C6 alkyl, C3–C6 branched alkyl, C1–C6 haloalkyl, C1–C6 alkoxy, C1–C6 haloalkoxy, cyano, or (C1–C6 alkoxy)carbonyl; R4 is C1–C6 alkyl; and Z1 and Z2 are each independently, carbon or nitrogen, with the proviso that when Z1 is carbon, X is oxygen, and R2 is hydrogen, then R3 cannot be hydrogen; b) wherein R5 is C1–C6 alkoxy; and R6 and
    Type: Grant
    Filed: May 27, 2004
    Date of Patent: May 16, 2006
    Assignees: Uniroyal Chemical Company, Inc., Crompton Co./Ciie
    Inventors: Gaik-Lean Chee, Mark A. Dekeyser, Kenneth W. Seebold, Jr., Ewa Maria Osika, Walter G. Brouwer, Sheldon B. Park, Hoi Kiong Lai
  • Publication number: 20040266738
    Abstract: A fungicidally active compound of the formula:
    Type: Application
    Filed: May 27, 2004
    Publication date: December 30, 2004
    Inventors: Gaik-Lean Chee, Mark A. Dekeyser, Kenneth W. Seebold, Ewa Maria Osika, Walter G. Brouwer, Sheldon B. Park, Hoi Kiong Lai
  • Patent number: 6706895
    Abstract: Disclosed herein is a compound having the formula: wherein R1 is alkyl and R2 and R3 are independently selected aryl groups. Also disclosed is a method of making bifenazate using the compound as an intermediate.
    Type: Grant
    Filed: November 14, 2002
    Date of Patent: March 16, 2004
    Assignees: Uniroyal Chemical Company, Inc., Crompton Co./Cie
    Inventors: Sheldon B. Park, Gaik-Lean Chee, Mark A. Dekeyser
  • Patent number: 6514911
    Abstract: A method of controlling pests is disclosed wherein the method comprises contacting said pests with an effective amount of a pesticide comprising a composition comprising: A) a compound of the formula: wherein R1 is a straight-chain perfluoroalkyl group or a partially fluorinated straight-chain alkyl group and R is a phenyl group or a substituted phenyl group having at least one substituent, wherein the substituent is selected from the group consisting of amino, formyl, halo, alkyl, alkoxy, haloalkyl, haloalkoxy, and nitro; and B) a suitable carrier therefor. In a preferred embodiment, the pesticide is a herbicide.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: February 4, 2003
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Gaik-Lean Chee, Arthur D. Brewer, Allyn R. Bell, Alexsei Yurievich Aksinenko, Vladimir Borisovich Sokolov
  • Patent number: 6297275
    Abstract: A method for controlling fungi using a phenylhydrazine derivative compound of the formula: wherein: X is phenyl, phenylalkoxy, phenoxy, or benzyl, alone or in combination with one or more halogen, alkyl, or alkylthio; Y is hydrogen, alkanoyl, haloalkanoyl, or alkoxy carbonyl; and R is hydrogen, alkyl, haloalkyl, alkoxy, haloalkoxy, or phenylalkoxy.
    Type: Grant
    Filed: September 7, 1999
    Date of Patent: October 2, 2001
    Assignees: Uniroyal Chemical Company, Inc., Crompton Co./Cie
    Inventors: Mark Achiel Dekeyser, Kenneth Wesley Seebold, Jr., Gaik-Lean Chee
  • 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