Patents by Inventor Ashley H. Freiberg

Ashley H. Freiberg 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).

  • Systemic control of insect infestations in animals by use of O,O-dimethyl-2,2,2-trichloro-2-(tetrahydropyranyl-2-oxy)ethylphosphonate
    Patent number: 4409211
    Abstract: An animal systemic insecticide having the formula ##STR1##
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: October 11, 1983
    Assignee: Stauffer Chemical Company
    Inventor: Ashley H. Freiberg
  • Animal systemic insecticide
    Patent number: 4320123
    Abstract: An animal systemic insecticide having the formula ##STR1##
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: March 16, 1982
    Assignee: Stauffer Chemical Company
    Inventor: Ashley H. Freiberg
  • Synergistic herbicidal compositions
    Patent number: 4300945
    Abstract: Synergistic herbicidal activity is displayed by compositions comprising the following two components:(a) a pyrrolidone of the formula ##STR1## and (b) an acetanilide of the formula ##STR2## in which R.sup.1 is selected from the group consisting of hydrogen, C.sub.1 -C.sub.4 alkyl, and chlorine;R.sup.2 is selected from the group consisting of hydrogen, C.sub.2 -C.sub.6 alkoxyalkyl, and C.sub.3 -C.sub.6 carbalkoxyalkyl;R.sup.3 is selected from the group consisting of hydrogen, C.sub.1 -C.sub.4 alkyl, and chlorine;R.sup.4 is selected from the group consisting of hydrogen, C.sub.1 -C.sub.4 alkyl, and chlorine; andR.sup.5 is selected from the group consisting of hydrogen, C.sub.1 -C.sub.4 alkyl, chlorine, and --NHSO.sub.2 CF.sub.3,at a weight ratio of (a) to (b) of from about 0.1:1 to about 50:1.
    Type: Grant
    Filed: February 6, 1980
    Date of Patent: November 17, 1981
    Assignee: Stauffer Chemical Company
    Inventors: Gerald H. Thiele, Ashley H. Freiberg, Robert L. Skiles, David L. King
  • Insecticidal, miticidal and lepidoptericidal active isothiuronium complex acids and free bases
    Patent number: 4062892
    Abstract: Compound having the formula ##STR1## wherein R can be selected from the group consisting of benzhydryl and lower alkyls having from about 5 to about 8 carbon atoms; R.sub.1 can be selected from the group of alkenyl, methyl thiomethyl, aryl, aralkyl, substituted aralkyl, cycloalkyl and lower alkyls, having from about 1 to about 6 carbon atoms; R.sub.2 can be selected from the group consisting of alkenyl, aryl, aralkyl, methyl thiomethyl, cycloalkyl and lower alkyls, having from about 5 to about 10 carbon atoms and X can be selected from the group consisting of organic acids, inorganic acids or is non-existant, thus forming a free base, the organic and inorganic acids are preferably those selected from the group consisting of HI, HBr, HCl, H.sub.2 SO.sub.4, (COOH).sub.2, Chrysanthemumic acid, HCO.sub.2 CH.sub.3, ##STR2## These compounds are active insecticides, miticides and lepidoptericides which can be applied to insects, mites or lepidoptera at any stage of development.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: December 13, 1977
    Assignee: Stauffer Chemical Company
    Inventors: Llewellyn W. Fancher, Ashley H. Freiberg
  • Insecticidal, miticidal and lepidoptericidal active isothiuronium complex acids and free bases
    Patent number: 3969511
    Abstract: Compound having the formula ##EQU1## wherein R can be selected from the group consisting of benzhydryl and lower alkyls having from about 5 to about 8 carbon atoms; R.sub.1 can be selected from the group of alkenyl, methyl thiomethyl, aryl, aralkyl, substituted aralkyl, cycloalkyl and lower alkyls, having from about 1 to about 6 carbon atoms; R.sub.2 can be selected from the group consisting of alkenyl, aryl, aralkyl, methyl thiomethyl, cycloalkyl and lower alkyls, having from about 5 to about 10 carbon atoms and X can be selected from the group consisting of organic acids, inorganic acids or is non-existant, thus forming a free base, the organic and inorganic acids are preferably those selected from the group consisting of HI, HBr, HCl, H.sub.2 SO.sub.4, (COOH).sub.2, Chrysanthemumic acid, HCO.sub.2 CH.sub.3, ##SPC1##(i-C.sub.3 H.sub.7 O).sub.2 P(S)SH,and CH.sub.3 (CH.sub.2).sub.7 CH=CH(CH.sub.2).sub.7 COOH.
    Type: Grant
    Filed: November 15, 1974
    Date of Patent: July 13, 1976
    Assignee: Stauffer Chemical Company
    Inventors: Llewellyn W. Fancher, Ashley H. Freiberg