Patents by Inventor Adam C. Hsu

Adam C. 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: 5416210
    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, cycloalkyl, 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 branched, 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: June 10, 1992
    Date of Patent: May 16, 1995
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Raj J. Mehta, Margaret M. Bowers-Daines, Adam C. Hsu
  • Patent number: 5411933
    Abstract: Antimicrobial compounds of the formula ##STR1## wherein R, R.sup.1 and R.sup.2 are selected according to the following:A. R is (C.sub.11 -C.sub.16) alkyl (straight or branched), and R.sup.1 and R.sup.2 are joined to form a morpholine, pyrrolidine, or piperidine ring with the N;B. R is (C.sub.11 -C.sub.16) and R.sup.1 and R.sup.2 are independently selected from (C.sub.1 -C.sub.3) alkyl which in the case of C.sub.3 can be branched; andC. R.sup.1 and R.sup.2 are the same and are (C.sub.6 -C.sub.12) alkyl, straight or branched, and R is (C.sub.1 -C.sub.16) alkyl, straight or branched; andX.sup.- =an anion preferably selected from chlorine, bromine, iodine, phosphate, acetate, benzoate, citrate, tartrate, alkyl- or aryl-sulfonate, and alkylsulfate.
    Type: Grant
    Filed: March 11, 1994
    Date of Patent: May 2, 1995
    Assignee: Rohm & Haas Company
    Inventor: Adam C. Hsu
  • Patent number: 5385902
    Abstract: Antimicrobial compounds of the formula ##STR1## wherein A is selected from the group consisting of alkyl; phenyl; alkoxy; phenoxy; benzyloxy; monoalkylamino; dialkylamino; cyclic amino, anilino; heterocyclic; amino substituted with heterocyclic ring, methods of making and using said compounds, and compositions comprising said compounds are disclosed.
    Type: Grant
    Filed: September 1, 1993
    Date of Patent: January 31, 1995
    Assignee: Rohm and Haas Company
    Inventor: Adam C. Hsu
  • Patent number: 5354862
    Abstract: Antimicrobial compounds of the formula ##STR1## wherein R is selected from (A)(C.sub.1 to C.sub.20) straight or branched alkyl, optionally substituted with hydroxy, halogen, alkoxy, phenoxy, or --C(.dbd.O)R' wherein R' is selected from C.sub.1 -C.sub.20)alkyl, (C.sub.1 -C.sub.20)alkoxy, phenoxy, or NHR" wherein R" is (C.sub.1 -C.sub.6)alkyl or phenyl; (B) benzyl; (C) phenethyl; (D) cyanoethyl; (E) 2-cyanoethyl; (F) propargyl; and (G) allyl;X=halogen (chlorine, bromine, or iodine), phosphate, acetate, benzoate, citrate, tartrate, alkyl- or aryl-sulfonate, alkylsulfate; and ##STR2## represents a 3-to 7-membered ring that contains at least one nitrogen atom optionally substituted with one or more substituents selected from (C.sub.1 -C.sub.3)alkyl, halo, and carboxyl, said ring optionally containing one or two hetreoatoms in addition to said one nitrogen atom, selected from sulfur, oxygen, and a second nitrogen;Processes for inhibiting microbial growth, and compositions suitable therefore are also disclosed.
    Type: Grant
    Filed: August 31, 1993
    Date of Patent: October 11, 1994
    Assignee: Rohm and Haas Company
    Inventor: Adam C. Hsu
  • Patent number: 5354762
    Abstract: This invention relates to insecticidal compositions containing six-membered heterocyclic derivatives of N'-substituted-N,N'-diacylhydrazines, methods of using such compositions and novel six-membered heterocyclic derivatives of N'-substituted-N,N'-diacylhydrazines.
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: October 11, 1994
    Assignee: Rohm and Haas Company
    Inventors: Adam C. Hsu, Dat P. Le
  • Patent number: 5334726
    Abstract: This invention relates to herbicidal aryl triazoles having the structure ##STR1## wherein A is phenyl or thienyl, Q is oxygen or sulfur and R.sup.1 and R.sup.2 are as defined within, compositions containing these compounds and methods of controlling weeds with these compounds.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: August 2, 1994
    Assignee: Rohm and Haas Company
    Inventors: Adam C. Hsu, Colin M. Tice
  • Patent number: 5292762
    Abstract: Compounds of the formula ##STR1## wherein A is selected from the group consisting of hydrogen, alkyl, aryl, and heterocyclic;Y and Z are independently selected from the group consisting of O, S, and N--R;R is selected from the group consisting of hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted phenyl, and substituted or unsubstituted heterocyclic; andX is selected from the group consisting of I and Br.are disclosed to useful as antimicrobials.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: March 8, 1994
    Assignee: Rohm and Haas Company
    Inventor: Adam C. Hsu
  • Patent number: 5266567
    Abstract: Antimicrobial compounds of the formula ##STR1## wherein R is selected from (A) (C.sub.1 to C.sub.20) straight or branched alkyl, optionally substituted with hydroxy, halogen, alkoxy, phenoxy, or --C(.dbd.O)R' wherein R' is selected from (C.sub.1 -C.sub.20)alkyl, (C.sub.1 -C.sub.20)alkoxy, phenoxy, or NHR" wherein R" is (C.sub.1 -C.sub.6)alkyl or phenyl; (B) benzyl; (C) phenethyl; (D) cyanoethyl; (E) 2-cyanoethyl; (F) propargyl; and (G) allyl;X=halogen (chlorine, bromine, or iodine), phosphate, acetate, benzoate, citrate, tartrate, alkyl- or aryl-sulfonate, alkylsulfate; and ##STR2## represents a 3- to 7-membered ring that contains at least one nitrogen atom optionally substituted with one or more substitutents selected from (C.sub.1 -C.sub.3)alkyl, halo, and carboxyl, said ring optionally containing one or two hetreroatoms in addition to said one nitrogen atom, selected from sulfur, oxygen, and a second nitrogen.Processes for inhibiting microbial growth, and compositions suitable therefore are also disclosed.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: November 30, 1993
    Assignee: Rohm and Haas Company
    Inventor: Adam C. Hsu
  • Patent number: 5225443
    Abstract: This invention relates to insecticidal compositions containing N-substituted-N'-substituted-N,N'-diacylhydrazines methods of using such compositions and novel insecticidal N-substituted-N'-substituted-N,N'-diacylhydrazines.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: July 6, 1993
    Assignee: Rohm and Haas Company
    Inventors: Raymond A. Murphy, Adam C. Hsu
  • Patent number: 5179127
    Abstract: Compounds of the formula ##STR1## wherein A is selected from the group consisting of (1) phenyl, (2) naphthyl, (3) phenyl substituted with one or more halo, cyano, (C.sub.1 -C.sub.4)alkyl, nitro, (C.sub.1 -C.sub.4)haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl, (4) naphthyl substituted with one or more halo, cyano, (C.sub.1 -C.sub.4) alkyl, nitro, (C.sub.1 -C.sub.4)haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl, (5) thiophene, (6) furan, (7) thiophene substituted with one or more substituents selected from halo and nitro, and (8) furan substituted with one or more substituents selected from halo and nitro;R is selected from the group consisting of hydrogen, (C.sub.1 -C.sub.4)alkyl and substituted or unsubstituted phenyl wherein the substituents are selected from one or more halo, cyano, (C.sub.1 -C.sub.4)alkyl, nitro, (C.sub.1 -C.sub.4) haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl andR.sup.1 is selected from the group consisting of (C.sub.1 -C.sub.
    Type: Grant
    Filed: February 26, 1992
    Date of Patent: January 12, 1993
    Assignee: Rohm and Haas Company
    Inventor: Adam C. Hsu
  • Patent number: 5120347
    Abstract: This invention relates to herbicidal aryl triazoles having the structure ##STR1## wherein A is phenyl or thienyl, Q is oxygen or sulfur and R.sup.1 and R.sup.2 are as defined within, compositions containing these compounds and methods of controlling weeds with these compounds.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: June 9, 1992
    Assignee: Rohm and Haas Company
    Inventors: Adam C. Hsu, Colin M. Tice
  • Patent number: 5117057
    Abstract: This invention relates to insecticidal compositions containing N'-substituted-N,N'-disubstitutedhydrazines, methods of using such compositions and N'-substituted-N, N'-disubstitutedhydrazines. Specifically, the invention relates to insect growth regulating compositions, and methods of using such compositions, which include compounds having a nucleus of the formula ##STR1## where A', B', D and J are independently any atom or group of atoms; where E is a tertiary carbon containing organic radical, a haloalkyl 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, and is attached to the nitrogen shown in the formula by a carbon-to-nitrogen single bond; where one G.sub.1 is C, N, O and S, and both G.sub.2 's and the other G.sub.1 are carbon; or one G.sub.2 is S or P, and both G.sub.1 's and the other G.sub.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: May 26, 1992
    Assignee: Rohm and Haas Company
    Inventors: Adam C. Hsu, Harold E. Aller, Raymond A. Murphy, Dat P. Le, Donald W. Hamp, Barry Weinstein
  • Patent number: 5112382
    Abstract: Compounds of the formula ##STR1## wherein A is selected from the group consisting of (1) phenyl, (2) naphthyl, (3) phenyl substituted with one or more halo, cyano, (C.sub.1 -C.sub.4) alkyl, nitro, (C.sub.1 -C.sub.4)haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl, (4) naphthyl substituted with one or more halo, cyano, (C.sub.1 -C.sub.4)alkyl,nitro,(C.sub.1 -C.sub.4), and (C.sub.1 -C.sub.4) thioalkyl, (5) thiophene, (6) furan, (7) thiophene substituted with one or more substituents selected from halo and nitro, and (8) furan substituted with one or more substituents selected from halo and nitro;R disclose as microbicidally and fungicidally active.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: May 12, 1992
    Assignee: Rohm and Haas Company
    Inventor: Adam C. Hsu
  • Patent number: 5102898
    Abstract: Novel compounds of the formula ##STR1## wherein X is I or Br; andY is independently selected from the group consisting of H, halogen, NO.sub.2, (C.sub.1 -C.sub.4) alkyl, (C.sub.1 -C.sub.4) alkoxy, CN, OCO (C.sub.1 -C.sub.4) alkyl, OCOPh or halo (C.sub.1 -C.sub.4) alkyl, are disclosed as having microbicidal activity.
    Type: Grant
    Filed: May 8, 1991
    Date of Patent: April 7, 1992
    Assignee: Rohm and Haas Company
    Inventor: Adam C. Hsu
  • Patent number: 5064845
    Abstract: This invention relates to the use of iodopropargyl compounds invention have the structure ##STR1## wherein A is hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, phenyl, phenylalkyl, naphthyl or heterocyclyl; andZ is oxygen (O) or N--R;wherein R is hydrogen, alkyl, cycloalkyl, phenyl, or phenylalkyl as agricultural fungicides and to agricultural fungicidal compositions containing the iodopropargyl compounds.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: November 12, 1991
    Assignee: Rohm and Haas Company
    Inventors: Adam C. Hsu, Daniel L. Loughner
  • Patent number: 4985461
    Abstract: This invention relates to insecticidal compositions containing N'-substituted-N,N'-diacylhydrazines, methods of using such compositions and certain novel insecticidal N'-substituted-N,N'-diacylhydrazines.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: January 15, 1991
    Assignee: Rohm and Haas Company
    Inventors: Adam C. Hsu, Harold E. Aller
  • Patent number: 4879314
    Abstract: Dihaloformaldoximes of the formula: ##STR1## wherein R, X, X.sup.1 and Y are as defined herein having biocidal, fungicidal and pesticidal activity are disclosed.
    Type: Grant
    Filed: January 8, 1986
    Date of Patent: November 7, 1989
    Inventor: Adam C. Hsu
  • Patent number: 4740524
    Abstract: Alpha-halopyruvate oximes of the formula: ##STR1## wherein R, R.sup.1, and X are as defined herein having bactericidal and, fungicidal activity are disclosed.
    Type: Grant
    Filed: May 16, 1986
    Date of Patent: April 26, 1988
    Assignee: Rohm and Haas Company
    Inventor: Adam C. Hsu