Patents Represented by Attorney Dietmar H. Olesch
  • Patent number: 4052192
    Abstract: This invention discloses the compound 1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-5-nonanoyloxy-1,3-imidazolidi n-2-one and its utility as a herbicide.
    Type: Grant
    Filed: March 18, 1976
    Date of Patent: October 4, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4052193
    Abstract: This invention discloses the compound 1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-5-octanoyloxy-1,3-imidazolidi n-2-one and its utility as a herbicide.
    Type: Grant
    Filed: March 18, 1976
    Date of Patent: October 4, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4052191
    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.5 and R.sup.6 are each selected from the group consisting of hydrogen and alkyl; and R.sup.3 and R.sup.4 are each selected from the group consisting of hydrogen, alkyl of up to 18 carbon atoms, alkenyl, haloalkyl, hydroxyalkyl, alkoxyalkyl, cycloalkyl and ##STR3## WHEREIN X is selected from the group consisting of alkyl, alkoxy, halogen, haloalkyl, alkylthio, nitro and cyano; n is an integer from 0 to 3; and m is the integer 0 or 1, provided that a maximum of one of R.sup.3 and R.sup.4 is an aromatic moiety. Further disclosed is the herbicidal utility of the foregoing compounds.
    Type: Grant
    Filed: March 12, 1976
    Date of Patent: October 4, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4046768
    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; Z 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: September 6, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: John Krenzer, Chin Ching Wu
  • Patent number: 4046884
    Abstract: This invention discloses chemical compounds of the formula ##STR1## wherein X.sup.1 and X.sup.2 are independently selected from the group consisting of oxygen and sulfur; m is the integer 0 or 1; R.sup.1 is selected from the group consisting of hydrogen and alkyl; R.sup.2 is alkyl; R.sup.3 and R.sup.4 are independently selected from the group consisting of hydrogen and alkyl; R.sup.5 is selected from the group consisting of hydrogen, alkyl, alkoxy, alkylthio, amino and ##STR2## WHEREIN Y is selected from the group consisting of alkyl, halogen, alkoxy, alkylthio, nitro and cyano; and n is an integer from 0 to 3; and R.sup.6 is selected from the group consisting of alkyl, alkenyl, alkoxyalkyl and ##STR3## WHEREIN Z is selected from the group consisting of alkyl, halogen, alkoxy, alkylthio, nitro and cyano; and p is an integer from 0 to 3.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: September 6, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: Leonard J. Stach
  • Patent number: 4046554
    Abstract: This invention discloses new compounds of the formula ##STR1## wherein R.sup.1, R.sup.6 and R.sup.7 are each alkyl; R.sup.2 is selected from the group consisting of hydrogen, alkyl, alkoxy and trifluoromethyl; R.sup.3 and R.sup.4 are each selected from the group consisting of hydrogen, lower alkyl, halogen, cyano, alkoxy, alkylthio, haloalkyl and alkoxyalkyl; R.sup.5 is selected from the group consisting of hydrogen and alkyl; and X is halogen. The compounds of the above description are useful as herbicides.
    Type: Grant
    Filed: April 23, 1976
    Date of Patent: September 6, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4045446
    Abstract: This invention discloses new compounds of the formula ##STR1## WHEREIN Z is selected from the group consisting of alkyl, halogen, haloalkyl and alkoxy; p 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.2 and R.sup.3 are each selected from the group consisting of hydrogen and alkyl; X is selected from the group consisting of alkyl and halogen; and n is an integer from 0 to 4. Further disclosed is the herbicidal utility of the foregoing compounds.
    Type: Grant
    Filed: June 17, 1976
    Date of Patent: August 30, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: Chin Ching Wu, John Krenzer
  • Patent number: 4043795
    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; and m is an integer from 0 to 4.
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: August 23, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4040812
    Abstract: Disclosed are new compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl, alkylsulfinyl and cycloalkyl; 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; Z is selected from the group consisting of oxygen and sulfur; and R.sup.5 is selected from the group consisting of alkyl, haloalkyl, alkenyl, alkynyl, alkoxyalkyl, cycloalkyl and ##STR3## WHEREIN X is selected from the group consisting of alkyl, halogen, haloalkyl, nitro, cyano and alkoxy, and m and n are each integers from 0 to 3. The subject compounds are useful as herbicides.
    Type: Grant
    Filed: June 18, 1975
    Date of Patent: August 9, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4039314
    Abstract: This invention discloses the compound N-.alpha.-chloroacetyl-N-(1,3-dioxan-2-ylmethyl)-2,6-dimethylaniline and its utility as a herbicide.
    Type: Grant
    Filed: January 5, 1976
    Date of Patent: August 2, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, John Krenzer
  • Patent number: 4036848
    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 alkysulfinyl; 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, and Y is selected from the group consisting of furfuryl and tetrahydrofurfuryl. Further disclosed is the herbicidal utility of the foregoing compounds.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: July 19, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4033753
    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; X is selected from the group consisting of alkyl and halogen; and n is an integer from 0 to 3. Further disclosed is the herbicidal utility of the foregoing compounds.
    Type: Grant
    Filed: April 5, 1976
    Date of Patent: July 5, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4029491
    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; 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: April 29, 1976
    Date of Patent: June 14, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: John Krenzer, Chin Ching Wu
  • Patent number: 4028375
    Abstract: The invention discloses compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; and R.sup.2 is selected from the group consisting of alkenyl, haloalkenyl and ##STR2## wherein R.sup.3 and R.sup.4 are selected from the group consisting of hydrogen and alkyl.
    Type: Grant
    Filed: August 5, 1974
    Date of Patent: June 7, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4023957
    Abstract: This invention discloses new compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; R.sup.2 is alkyl; R.sup.3 is selected from the group consisting of hydrogen and alkyl; Y is selected from the group consisting of oxygen and sulfur; and R.sup.4 is selected from the group consisting of hydrogen, alkyl, cycloalkyl and ##STR2## WHEREIN X is selected from the group consisting of alkyl, halogen, haloalkyl and alkoxy, and n is an integer from 0 to 5.
    Type: Grant
    Filed: September 10, 1975
    Date of Patent: May 17, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4022723
    Abstract: This invention discloses pressure-sensitive adhesive compositions comprising an elastomer component and a tackifying component containing as an essential ingredient a terpolymer of styrene, isobutylene and beta-pinene.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: May 10, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: Takeo Hokama, Frank Scardiglia
  • Patent number: 4022608
    Abstract: This invention discloses the compound N-.alpha.-chloroacetyl-N-(1,3-dioxolan-2-ylmethyl)-2-ethyl-6-methylaniline and its utility as a herbicide.
    Type: Grant
    Filed: December 17, 1975
    Date of Patent: May 10, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, John Krenzer
  • Patent number: 4022610
    Abstract: This invention discloses mixed salts of magnesium having the empirical formula ##STR1## WHEREIN R is an organic acid radical of 7 to 20 carbon atoms; and n has an average value of from 0.5 to 1.5. The compounds of the above description are useful as herbicides.
    Type: Grant
    Filed: May 16, 1975
    Date of Patent: May 10, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: Takeo Hokama
  • Patent number: 4021439
    Abstract: This invention discloses the compound 1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)-3-methyl-5-acetyloxy-1,3-imida zolidin-2-one and its utility as a herbicide.
    Type: Grant
    Filed: April 30, 1975
    Date of Patent: May 3, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer
  • Patent number: 4018787
    Abstract: This invention discloses new compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of butyl, pentyl, hexyl and trifluoromethyl; 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; and R.sup.3 is selected from the group consisting of alkyl, alkenyl, haloalkyl, alkynyl, alkoxyalkyl, cycloalkyl and ##STR3## WHEREIN X is selected from the group consisting of alkyl, alkoxy, halogen, haloalkyl, alkylthio, nitro and cyano; n is an integer from 0 to 3; and m is the integer 0 or 1; provided that when R.sup.3 is methyl, then R.sup.2 is haloalkyl or contains at least 2 carbon atoms. Further disclosed is the herbicidal utility of the foregoing compounds.
    Type: Grant
    Filed: June 13, 1975
    Date of Patent: April 19, 1977
    Assignee: Velsicol Chemical Corporation
    Inventor: John Krenzer