Patents by Inventor Sidney B. Richter

Sidney B. Richter 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: 4528025
    Abstract: Disclosed are certain herbicidally active quinoline or quinoxaline acetophenone oxime derivatives, herbicidal compositions containing these compounds and the use of such compounds to control the growth of noxious plants, i.e., weeds.
    Type: Grant
    Filed: December 8, 1983
    Date of Patent: July 9, 1985
    Assignee: PPG Industries, Inc.
    Inventors: Dennis K. Krass, Sidney B. Richter
  • Patent number: 4468244
    Abstract: Disclosed are certain herbicidally active benzoxazolyloxy benzoate derivatives, herbicidal compositions containing these compounds and the use of such compounds to control the growth of noxious plants, i.e., weeds.
    Type: Grant
    Filed: December 8, 1982
    Date of Patent: August 28, 1984
    Assignee: PPG Industries, Inc.
    Inventors: Dennis K. Krass, Sidney B. Richter
  • Patent number: 4464533
    Abstract: Disclosed are certain herbicidally active quinoline or quinoxaline benzoate derivatives, herbicidal compositions containing these compounds and the use of such compounds to control the growth of noxious plants, i.e., weeds.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: August 7, 1984
    Assignee: PPG Industries, Inc.
    Inventors: Dennis K. Krass, Sidney B. Richter
  • Patent number: 4456466
    Abstract: Disclosed are certain herbicidally active benzoxazolyl acetophenone oxime derivatives, herbicidal compositions containing these compounds and the use of such compounds to control the growth of noxious plants, i.e., weeds.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: June 26, 1984
    Assignee: PPG Industries, Inc.
    Inventors: Dennis K. Krass, Sidney B. Richter
  • Patent number: 4440930
    Abstract: Disclosed are certain herbicidally active quinoline or quinoxaline acetophenone oxime derivatives, herbicidal compositions containing these compounds and the use of such compounds to control the growth of noxious plants, i.e., weeds.
    Type: Grant
    Filed: October 25, 1982
    Date of Patent: April 3, 1984
    Assignee: PPG Industries, Inc.
    Inventors: Dennis K. Krass, Sidney B. Richter
  • Patent number: 4424393
    Abstract: This invention relates to a process for preparing herbicidally active substituted diphenylethers. Also, this invention provides novel intermediates useful in the production of said diphenylethers.
    Type: Grant
    Filed: August 24, 1981
    Date of Patent: January 3, 1984
    Assignee: PPG Industries, Inc.
    Inventors: Frederick F. Guzik, Steven E. Pamer, Sidney B. Richter
  • Patent number: 4388473
    Abstract: This invention relates to substituted benzoic acid or phenylacetic acid ester compounds exhibiting meristematic activity and to the use of such compounds in regulating plant growth.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: June 14, 1983
    Assignee: PPG Industries, Inc.
    Inventors: Sidney B. Richter, Barry Van Gemert
  • Patent number: 4326882
    Abstract: This invention provides as new compositions of matter 2,4,5-trichlorophenoxy acetic acid (2,4,5-T) and (2-2,4,5-trichlorophenoxy) propionic acid (Silvex) including the hydrolyzable salts, aliphatic esters and amides of these acids, which compositions are free of chlorinated dibenzo-p-dioxins.
    Type: Grant
    Filed: April 26, 1979
    Date of Patent: April 27, 1982
    Assignee: PPG Industries, Inc.
    Inventors: Sidney B. Richter, William S. Grove
  • Patent number: 4293707
    Abstract: Trichlorophenoxy alkanoic acid including hydrolyzable salts, aliphatic esters and amides thereof said compounds being free of chlorinated dibenzo-p-dioxins are prepared by liquid phase alkaline condensation of 3-chlorophenol or 3,4-dichlorophenol with an alpha halo alkanoic acid, ester or amide followed by liquid phase chlorination of the condensation product.
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: October 6, 1981
    Assignee: PPG Industries, Inc.
    Inventors: Sidney B. Richter, William S. Grove
  • Patent number: 4285721
    Abstract: This invention discloses a method of increasing the recoverable sugar in sugar cane which comprises contacting the sugar cane with an effective amount of furfuryl 2-methoxy-3,6-dichlorobenzoate during a late stage of development of the cane.
    Type: Grant
    Filed: October 5, 1979
    Date of Patent: August 25, 1981
    Assignee: Velsicol Chemical Corporation
    Inventor: Sidney B. Richter
  • Patent number: 4118216
    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: April 25, 1977
    Date of Patent: October 3, 1978
    Assignee: Velsicol Chemical Company
    Inventors: Roger D. Hotz, Leonard J. Stach, Sidney B. Richter
  • Patent number: 4116670
    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; Z is alkyl; and m is an integer from 0 to 4. Further disclosed are herbicidal compositions utilizing the aforedescribed compounds.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: September 26, 1978
    Assignee: Velsicol Chemical Company
    Inventors: Leonard J. Stach, Roger D. Hotz, Sidney B. Richter
  • 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: 4110101
    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; Z is alkyl; and m is an integer from 0 to 4. Further disclosed are herbicidal compositions utilizing the aforedescribed compounds.
    Type: Grant
    Filed: April 6, 1977
    Date of Patent: August 29, 1978
    Assignee: Velsicol Chemical Corporation
    Inventors: Leonard J. Stach, Roger D. Hotz, Sidney B. Richter
  • 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: 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: 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: 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: 4012222
    Abstract: This invention discloses new compounds 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 and R.sup.4 are independently selected from the group consisting of hydrogen and lower alkyl; X is halogen; and n is the integer 1 or 2. The compounds of the above description are useful as herbicides.
    Type: Grant
    Filed: January 5, 1976
    Date of Patent: March 15, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, John Krenzer
  • Patent number: 4001179
    Abstract: This invention discloses chemical compounds of the formula ##STR1## wherein X is chlorine or bromine and each of Y.sup.1, Y.sup.2, Y.sup.3 and Y.sup.4 are hydrogen, chlorine or bromine. Further disclosed are combustible polymers which have incorporated therein a fire retardant amount of a compound of the foregoing description.
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: January 4, 1977
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, Glendon D. Kyker