Patents by Inventor Adam Chi-Tung Hsu

Adam Chi-Tung Hsu 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: 6444615
    Abstract: This invention relates to 1-substituted-phenyl-3-substituted-2-thioxo-4,5-imidazolidinediones and 2,4,5-imidazolidinetriones which have activity as herbicides, to compositions which contain these compounds and to methods of use of these compounds. In particular, the present invention pertains to 2-thioxo-4,5-imidazolidinediones or 2,4,5-imidazolidinetriones wherein a 2,4,5,6-tetrasubstituted phenyl ring is linked to the heterocyclic ring.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: September 3, 2002
    Assignee: Dow AgroSciences LLC
    Inventors: Bin Li, Ying Man, Zongjian Zhang, Adam Chi-Tung Hsu
  • Patent number: 6303542
    Abstract: This invention relates to 3-substituted-phenyl-1,2,3-benzotriazin-4-ones which have activity as herbicides, to compositions which contain these compounds and to methods of use of these compounds.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: October 16, 2001
    Assignee: Rohm and Haas Company
    Inventors: Bin Li, Adam Chi-Tung Hsu
  • Patent number: 6251829
    Abstract: This invention relates to herbicidal alpha-(2,4,5-trisubstituted)- and alpha-(2,5-disubstituted)-benzoyloxy-alpha-beta-, and/or beta-gamma-unsaturated-carboxylates and their derivatives, to compositions which contain these compounds, and to methods of use of these compounds.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: June 26, 2001
    Assignee: Rohm and Haas Company
    Inventors: Bin Li, Ying Man, Zongjian Zhang, Longhe Xu, Adam Chi-Tung Hsu
  • Patent number: 6013836
    Abstract: This invention relates to N'-substituted-N,N'-disubstitutedhydrazines of formula I ##STR1## wherein X and X' are independently O, S, or NR; A' and B' are independently substituted or unsubstituted aryl or aromatic heterocycle; wherein F is alkyl, alkenyl, or aralkyl; and wherein E is a tertiary carbon containing organic radical having a total of at least four carbon and halogen atoms but not more than six halogen atoms, or a non-tertiary carbon containing non-haloalkyl organic or organometallic radical having at least five atoms other than hydrogen, oxygen and halogen which are useful as insecticides, compositions containing those compounds, methods of producing the compounds, and methods of their use. More particularly, the invention relates to insect growth regulating compounds and compositions, and methods of using such compounds and compositions. Compounds of the present invention are particularly suitable for controlling plant-destructive insects in crops of cultivated plants, ornamentals and forestry.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: January 11, 2000
    Assignee: Rohm and Haas Company
    Inventors: Adam Chi-Tung Hsu, Harold Ernest Aller, Dat Phat Le, Donald Wesley Hamp, Barry Weinstein, Raymond August Murphy
  • Patent number: 5883134
    Abstract: Disclosed is a method of controlling or inhibiting the growth of microorganisms comprising introducing in, at, or on a locus an antimicrobially effective amount of an antimicrobially active nitroethene compound.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: March 16, 1999
    Assignee: Rohm and Haas Company
    Inventors: Adam Chi-Tung Hsu, Peter Osei-Gyimah, Barry C. Lange, Rhoda W. Joseph
  • Patent number: 5874476
    Abstract: Disclosed is a method of inhibiting the growth of microorganisms in, at, or on a locus subject to microbial attack, comprising introducing to said locus an antimicrobially effective amount of at least one dihaloformaldoxime carbamate.
    Type: Grant
    Filed: July 14, 1997
    Date of Patent: February 23, 1999
    Assignee: Rohm and Haas Company
    Inventors: Adam Chi-Tung Hsu, Barry Clifford Lange, Jemin Charles Hsu
  • Patent number: 5208057
    Abstract: A process for butchering fowl which comprises a step wherein said fowl is treated with water comprising introducing an effective amount of a bromide (for example, KBr, NH.sub.4 Br, or NaBr) and an oxidant into said water to control microorganisms. The process is especially suitable for poultry such as chicken and turkey.
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: May 4, 1993
    Assignee: Rohm and Haas Company
    Inventors: David E. Greenley, Adam Chi-Tung Hsu, Barry C. Lange, Eilenn F. Warwick, Samuel E. Sherba, John S. Chapman
  • Patent number: 5149524
    Abstract: In one aspect, compounds, methods of using them, compositions comprising such compounds, and uses of such compositions . These objects, and others which will become apparent from the following disclosure, are achieved by the present invention which comprises in one aspect compounds of the formula ##STR1## wherein R is alkyl, cycloakyl, aryl, substituted aryl, alkaryl optionally substituted on the aryl portion or aralkyl optionally substituted on the aryl portion, R having up to 20 carbon atoms and is optionally branced, andA is (CH.sub.2).sub.p, (CH.sub.2).sub.q --O--(CH.sub.2).sub.r, or (CH.sub.2).sub.q --S--(CH.sub.2).sub.r,wherein p=2 to 8, q=1 to 8, and r=1 to 8.R.sub.1 =--(CH.sub.2).sub.m --,--(CH.sub.2 CH.sub.2 --O).sub.n --CH.sub.2 CH.sub.2 --, or--(CH.sub.2 CH.sub.2 CH.sub.2 --O).sub.n --CH.sub.2 CH.sub.2 CH.sub.2 --.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: September 22, 1992
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Raj J. Mehta, Margaret M. Bowers-Daines, Adam Chi-Tung Hsu