Patents Represented by Attorney Dietmar H. Olesch
  • Patent number: 4163005
    Abstract: Disclosed are halobenzene sulfonates, and flame resistant polymer compositions containing the sulfonates.
    Type: Grant
    Filed: August 11, 1977
    Date of Patent: July 31, 1979
    Assignee: Velsicol Chemical Corporation
    Inventor: James A. Albright
  • Patent number: 4125542
    Abstract: This invention discloses new chemical compounds of the formula ##STR1## WHEREIN X.sup.1, X.sup.2 and X.sup.3 are each selected from the group consisting of oxygen or sulfur; n is the integer 0 or 1; R.sup.1 is selected from the group consisting of alkyl and ##STR2## WHEREIN M IS AN INTEGER FROM 0 TO 3; Q is selected from the group consisting of alkyl, alkoxy, alkylthio, alkenyl, halogen and nitro; and p is an integer from 0 to 5; R.sup.2 is alkyl; R.sup.3 is selected from the group consisting of hydrogen and alkyl; Z is selected from the group consisting of alkyl and alkoxy; and q is the integer 0 or 1. The compounds of the above description are useful as insecticides.
    Type: Grant
    Filed: May 19, 1977
    Date of Patent: November 14, 1978
    Assignee: Velsicol Chemical Corporation
    Inventor: Leonard J. Stach
  • Patent number: 4116969
    Abstract: This invention discloses new compounds of the formula ##STR1## wherein X is halogen; and R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl and ##STR2## wherein R.sup.2 and R.sup.3 are each selected from the group consisting of hydrogen and alkyl.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: September 26, 1978
    Assignee: Velsicol Chemical Company
    Inventors: Chin Ching Wu, John Krenzer
  • Patent number: 4113464
    Abstract: This invention discloses new compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of hydrogen and alkyl; X is halogen; R.sup.2 is selected from the group consisting of alkyl, alkenyl and alkynyl; n is the integer 1 or 2; and R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each selected from the group consisting of hydrogen and alkyl. Further disclosed are herbicidal compositions utilizing the aforedescribed compounds.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: September 12, 1978
    Assignee: Velsicol Chemical Company
    Inventors: Leonard J. Stach, Roger D. Hotz, Sidney B. Richter
  • Patent number: 4111949
    Abstract: This invention discloses new compounds of the formula ##STR1## WHEREIN R.sup.1 is selected from the group consisting of alkyl, cycloalkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; R.sup.2 is selected from the group consisting of alkyl, alkenyl, haloalkyl and ##STR2## wherein R.sup.4 and R.sup.5 are each selected from the group consisting of hydrogen and alkyl; p is an integer from 0 to 3; R.sup.3 is selected from the group consisting of alkyl and halogen; and q is an integer from 0 to 2. Further disclosed is the herbicidial utility of the foregoing compounds.
    Type: Grant
    Filed: March 25, 1976
    Date of Patent: September 5, 1978
    Assignee: Velsicol Chemical Company
    Inventor: John Krenzer
  • Patent number: 4097485
    Abstract: This invention discloses new compounds of the formula ##STR1## WHEREIN X is selected from the group consisting of halogen and alkylsulfonyl; R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl and alkynyl; m is an integer from 0 to 3; Y is selected from the group consisting of oxygen and sulfur; R.sup.2 is selected from the group consisting of alkyl and halogen; and n is an integer from 0 to 2.
    Type: Grant
    Filed: June 17, 1976
    Date of Patent: June 27, 1978
    Assignee: Velsicol Chemical Corporation
    Inventors: John Krenzer, Chin Ching Wu
  • Patent number: 4097491
    Abstract: This invention discloses new chemical compounds of the formula ##STR1## wherein Z is alkyl; m is an integer from 0 to 4; n and p are each integers from 1 to 2; R.sup.1 and R.sup.2 are each alkyl; R.sup.3 is hydrogen or alkyl; and X is halogen. The compounds of the foregoing description are useful as herbicides.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: June 27, 1978
    Assignee: Velsicol Chemical Corporation
    Inventors: Roger D. Hotz, Leonard J. Stach, Sidney B. Richter
  • Patent number: 4097486
    Abstract: This invention discloses the compound 1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)-3,4-dimethyl-5-acetyloxy-1,3-i midazolidin-2-one and its use as a herbicide.
    Type: Grant
    Filed: October 29, 1976
    Date of Patent: June 27, 1978
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4094913
    Abstract: This invention discloses a process for preparing 2,5-dichlorophenol which comprises reacting 1-bromo-2,5-dichlorobenzene with sodium hydroxide in a reaction medium of methanol and in the presence of copper catalyst at elevated temperatures.
    Type: Grant
    Filed: January 7, 1977
    Date of Patent: June 13, 1978
    Assignee: Velsicol Chemical Corporation
    Inventor: Arthur W. Carlson
  • Patent number: 4086240
    Abstract: This invention discloses new compounds of the formula ##STR1## WHEREIN X is selected from the group consisting of halogen and alkylsulfonyl; R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl and alkynyl; m is an integer from 1 to 3; Y is selected from the group consisting of oxygen and sulfur; Z is selected from the group consisting of alkyl, alkenyl, halogen, haloalkyl, alkoxy, alkylthio, nitro and cyano; and n is an integer from 0 to 3.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: April 25, 1978
    Assignee: Velsicol Chemical Corporation
    Inventors: Chin Ching Wu, John Krenzer
  • Patent number: 4086238
    Abstract: This invention discloses new compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of alkyl, cycloalkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; and R.sup.2 is selected from the group consisting of alkyl, alkenyl, alkynyl and haloalkyl.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: April 25, 1978
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4086241
    Abstract: This invention discloses new compounds of the formula ##STR1## WHEREIN X is selected from the group consisting of alkyl, haloalkyl, alkoxy and halogen,; n is an integer from 0 to 2; R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl and ##STR2## wherein R.sup.3 and R.sup.4 are each selected from the group consisting of hydrogen and alkyl; p is an integer from 0 to 3; Y is oxygen or sulfur; R.sup.2 is selected from the group consisting of alkyl and halogen; and q is an integer from 0 to 2. Further disclosed is the herbicidal utility of the foregoing compounds.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: April 25, 1978
    Assignee: Velsicol Chemical Corporation
    Inventors: Chin Ching Wu, John Krenzer
  • Patent number: 4067913
    Abstract: This invention discloses a process for the preparation of 2,5-dichloro-4-bromophenol which comprises reacting a mixture of 2,5-dichlorophenol and 2,4-dichlorophenol with about 0.9 to about 1.2 molar amounts of bromine per mole of 2,5-dichlorophenol and thereafter recovering the 2,5-dichloro-4-bromophenol.
    Type: Grant
    Filed: November 4, 1974
    Date of Patent: January 10, 1978
    Assignee: Velsicol Chemical Corporation
    Inventor: John Michniak
  • Patent number: 4063924
    Abstract: This invention discloses the compound 1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3,4-dimethyl-5-acetyloxy-1,3-imidazoli din-2-one and its use as a herbicide.
    Type: Grant
    Filed: October 29, 1976
    Date of Patent: December 20, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4061648
    Abstract: This invention discloses new compounds of the formula ##STR1## WHEREIN R.sup.1 is selected from the group consisting of alkyl, cycloalkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; R.sup.2 is selected from the group consisting of alkyl, alkenyl, haloalkyl and ##STR2## wherein R.sup.4 and R.sup.5 are each selected from the group consisting of hydrogen and alkyl; p is an integer from 0 to 3; Y is oxygen or sulfur; R.sup.3 is selected from the group consisting of alkyl and halogen; and q is an integer from 0 to 2. Further disclosed is the herbicidal utility of the foregoing compounds.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: December 6, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4056383
    Abstract: The invention discloses compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of alkyl of up to 4 carbon atoms, alkenyl, chloroalkyl, trifluoromethyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; and R.sup.2 is selected from the group consisting of alkyl, alkenyl, haloalkyl and ##STR2## wherein R.sup.3 and R.sup.4 are each selected from the group consisting of hydrogen and alkyl.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: November 1, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4055569
    Abstract: This invention discloses new compounds of the formula ##STR1## wherein X is selected from the group consisting of alkyl, halogen, haloalkyl and alkoxy; n is an integer from 0 to 2; R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl and alkynyl; and R.sup.2 is selected from the group consisting of alkyl, alkenyl, haloalkyl, alkynyl, alkoxyalkyl, cycloalkyl and ##STR2## WHEREIN P IS AN INTEGER FROM 0 TO 2; Y is selected from the group consisting of alkyl, alkenyl, halogen, haloalkyl, alkoxy, alkylthio, nitro and cyano; and m is an integer from 0 to 3.
    Type: Grant
    Filed: May 20, 1976
    Date of Patent: October 25, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: Chin Ching Wu, John Krenzer
  • Patent number: 4054574
    Abstract: This invention discloses new compounds of the formula ##STR1## wherein X is selected from the group consisting of alkyl, halogen, haloalkyl and alkoxy; n is an integer from 0 to 2; R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl and ##STR2## wherein R.sup.4 and R.sup.5 are each selected from the group consisting of hydrogen and alkyl; and R.sup.2 and R.sup.3 are each selected from the group consisting of hydrogen, alkyl, alkenyl, haloalkyl, hydroxyalkyl, alkoxyalkyl, cycloalkyl and ##STR3## WHEREIN P IS THE INTEGER 0 OR 1; Y is selected from the group consisting of alkyl, alkoxy, alkylthio, halogen, haloalkyl, nitro and cyano; and m is an integer from 0 to 3.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: October 18, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: Chin Ching Wu, John Krenzer
  • Patent number: 4053297
    Abstract: This invention discloses herbicidal compositions which selectively destroy weeds in cereal grain without damaging said grain plants, comprising in combination an anilide of the formula ##STR1## wherein Y is selected from the group consisting of hydrogen, lower alkyl and halogen; R.sup.1 is selected from the group consisting of hydrogen, lower alkyl and lower alkoxy; R.sup.2 is lower alkyl; R.sup.3 is selected from the group consisting of hydrogen and lower alkyl; X is halogen; n is an integer from 1 to 2; Z.sup.1 and Z.sup.2 are independently selected from the group consisting of oxygen and sulfur; R.sup.4, R.sup.5, R.sup.6, and R.sup.7 are independently selected from the group consisting of hydrogen and lower alkyl; and m is an integer from 0 to 2; and from 0.01 to 15.0 weight percent of said anilide of a compound of the formula ##STR2## wherein R.sup.8 and R.sup.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: October 11, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: Sidney B. Richter
  • Patent number: 4053480
    Abstract: This invention discloses new compounds of the formula ##STR1## WHEREIN R.sup.1 is selected from the group consisting of alkyl, cycloalkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; R.sup.2 is selected from the group consisting of alkyl, alkenyl, haloalkyl and ##STR2## wherein R.sup.3 and R.sup.4 are each selected from the group consisting of hydrogen and alkyl; m is an integer from 1 to 3; Y is oxygen or sulfur; X is selected from the group consisting of alkyl, alkenyl, alkoxy, alkylthio, halogen, haloalkyl, nitro and cyano; and n is an integer from 0 to 5. Further disclosed is the herbicidal utility of the foregoing compounds.
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: October 11, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer