Patents Represented by Attorney Joseph F. Leightner
  • Patent number: 5378678
    Abstract: A class of 2-aryl-5,6-ring-fused pyrimidines which is useful in the control of weeds is of the general formula: ##STR1## wherein Ar is an optionally substituted aromatic or heteroaromatic ring; R.sup.3 is an alkynyl or alkoxyalkyl group, -R.sup.5 - - R.sup.6 - is a fused ring moiety bonded to the pyrimidine ring at the 5 and 6 positions; and X is oxygen or sulfur.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: January 3, 1995
    Assignee: Rohm and Haas Company
    Inventor: Colin M. Tice
  • Patent number: 5358967
    Abstract: The present invention is a composition comprising an effective amount of an N'-alkyl-N'-(3,5-dimethylbenzoyl)-N-(substituted benzoyl)-hydrazine to treat wool for protection from keratin digesting insects, and an insect-proofing method using such compounds. The compositions and methods have particular application in treating wool.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: October 25, 1994
    Assignee: Rohm and Haas Company
    Inventor: Glenn R. Carlson
  • Patent number: 5358939
    Abstract: 2-Aryl or 2-heterocyclyl-2,2-disubstituted ethyl-1,2,4,-triazoles have been shown to have fungicidal activity.
    Type: Grant
    Filed: June 25, 1992
    Date of Patent: October 25, 1994
    Assignee: Rohm and Haas Company
    Inventors: Steven H. Shaber, Luong T. Nguyen
  • Patent number: 5344958
    Abstract: Insecticidal compounds having the formula N-(2-R.sup.a -3-R.sup.b -benzoyl)-N'-(2-R.sup.c -3-R.sup.d -4-R.sup.e -5-R.sup.f -benzoyl)-N'-R.sup.g -hydrazine, where R.sup.a is a halogen or a lower alkyl; R.sup.b is lower alkoxy; R.sup.c-f are selected from hydrogen, bromo, chloro, fluoro, lower alkyl and lower alkoxy; and Rg is a (C.sub.4 -C.sub.6)alkyl or (C.sub.4 -C.sub.6)alkenyl; as well as compositions comprising an agronomically acceptable carrier and an insecticidally effective amount of such compounds; and methods of using such compounds and compositions.Also, methods for the production of the compounds and their intermediates, which methods comprise admixing a 3-amino-2-(substituted)-benzoic acid, sodium nitrite and methanol under acidic conditions.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: September 6, 1994
    Assignee: Rohm and Haas Company
    Inventors: Zev Lidert, Dat P. Le
  • Patent number: 5344978
    Abstract: Certain N-acetonyl-substituted-amides of the formula: ##STR1## wherein A naphthyl; X, Y and Z are selected from the group consisting of hydrogen, halo, cyano, thiocyano, isothiocyano, thio(C.sub.1 -C.sub.2)alkyl, (C.sub.1 -C.sub.2)alkoxy, carbamoyl, dithiocarbomoyl, hydroxy, azide, thiophenyl, imidazolyl or triazolyl group as described herein; R.sup.1 and R.sup.2 are each independently a hydrogen atom or a (C.sub.1 -C.sub.6)alkyl group; and compositions containing these amides are fungicidally active, particularly against phytopathogenic fungi.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: September 6, 1994
    Assignee: Rohm and Haas Company
    Inventor: Ashok K. Sharma
  • 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: 5132392
    Abstract: Hydrophilic polyester resin is provided by the method comprising reacting an aromatic dicarboxylic acid or diester thereof, a diol and a polysiloxane-polyether copolymer wherein the polysiloxane backbone is endblocked with a hydroxyl-substituted organic group and the polyether portion of the copolymer comprises polyoxyethylene. The resulting silicone-modified polyester is especially suited for making hydrophilic fiber and film.
    Type: Grant
    Filed: December 24, 1991
    Date of Patent: July 21, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Douglas J. DeYoung, Gerald J. Murphy
  • Patent number: 5128051
    Abstract: A method for controlling biofouling in aqueous environments which comprises providing ortho-phthalaldehyde to aqueous systems susceptible to biofouling. The method of the invention is particularly well suited for use in industrial cooling water systems, paper manufacture and in secondary oil recovery processes.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: July 7, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Alan B. Theis, Jonathan Leder