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: 3998808
    Abstract: This invention discloses new chemical compositions of matter having the formula: ##STR1## wherein A is a saturated or mono unsaturated aliphatic hydrocarbon chain having from 3 to 7 carbon atoms which optionally contains a maximum of three substituents selected from the group consisting of alkyl, alkoxy and halogen; and n is an integer from 1 to 3. This invention further discloses an insecticidal and fungicidal composition which comprises an inert carrier and, as an essential active ingredient, in a quantity toxic to insects and fungi, a compound of the above description; and a method for the control of insects and fungi which comprises applying to the locus of said insects or fungi an insecticidal and fungicidal composition heretofore described.
    Type: Grant
    Filed: May 18, 1971
    Date of Patent: December 21, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, Alfred A. Levin
  • Patent number: 3996352
    Abstract: This invention discloses new compounds of the formula ##STR1## WHEREIN R.sup.1 is selected from the group consisting of alkyl, alkenyl and ##STR2## WHEREIN A is selected from the group consisting of alkyl, alkenyl, alkoxy, alkylthio, halogen, nitro, dialkylamino, alkylsulfoxide and alkylsulfone, q is an integer from 0 to 5, and p is an integer from 0 to 3; X.sup.1, X.sup.2 and X.sup.3 are independently selected from the group consisting of oxygen and sulfur; m is an integer from 0 to 1; Y is selected from the group consisting of alkyl, alkenyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino and ##STR3## WHEREIN B is selected from the group consisting of alkyl, alkenyl, alkoxy, alkylthio, halogen, nitro, dialkylamino, alkylsulfoxide and alkylsulfone, r is an integer from 0 to 5, Q is selected from the group consisting of oxygen, sulfur, alkylene, alkyleneoxy and alkylenethio, and t is an integer from 0 to 1; R.sup.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: December 7, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, Leonard J. Stach
  • Patent number: 3982922
    Abstract: A compound of the formula: ##SPC1## WHEREIN N IS AN INTEGER OF FROM 1 TO 3; X is selected from the group consisting of halogen, an aliphatic radical, nitro, hydroxy, alkoxy, acyl, acyloxy and cyano; Y is selected from the group consisting of hydrogen, alkyl, acyl, alkoxycarbonyl, alkylthiocarbonyl, alkoxycarbonylalkylene, and a carbamoyl radical; Z is selected from the group consisting of halogen, alkyl, alkoxy and nitro; and p is an integer of from 0 to 3.
    Type: Grant
    Filed: February 12, 1971
    Date of Patent: September 28, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: John Krenzer, Sidney B. Richter
  • Patent number: 3983174
    Abstract: This invention discloses compounds of the structural formula ##EQU1## group WHEREIN R.sup.1, R.sup.2 and R.sup.3 are each lower alkyl; R.sup.4 is selected from the grouup consisting of hydrogen, lower alkyl and lower alkoxy; Y is selected from the group consisting of hydrogen, lower alkyl and halogen; X is selected from the group consisting of chlorine and bromine; and n is an integer from 0 to 1. The compounds of the foregoing description are useful as herbicides.
    Type: Grant
    Filed: May 28, 1974
    Date of Patent: September 28, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, John Krenzer
  • Patent number: 3982019
    Abstract: New chemical compositions of the formula: ##EQU1## wherein R.sub.1 is selected from the group consisting of alkyl, alkenyl, cycloalkyl and ##SPC1##Wherein X is selected from the group consisting of alkyl, alkenyl, halogen, alkoxy, alkylthio, dialkylamino, nitro, cyano and thiocyano, and n is an integer from 0 to 5; and R.sub.2 is selected from the group consisting of hydrogen and R.sub.1. An insecticidal and herbicidal composition comprising an inert carrier and, as an essential active ingredient, in a quantity toxic to insects and weeds a compound described above.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: September 21, 1976
    Assignee: Velsicol Chemical Corporation
    Inventor: Sidney B. Richter
  • Patent number: 3976471
    Abstract: This invention discloses new compounds of the general formula ##EQU1## wherein R.sup.1 and R.sup.2 are each alkyl; Y is selected from the group consisting of hydrogen, alkyl, alkoxy, halogen, cyano, alkylthio, haloalkyl, alkoxyalkyl and alkylthioalkyl; n is an interger from 0 to 2; R.sup.3 and R.sup.4 are each selected from the group consisting of hydrogen and alkyl, or R.sup.3 and R.sup.4 together can form a cycloalkyl group of from 3 to 7 carbon atoms; and X is chlorine or bromine. The compounds of the foregoing description are useful as herbicides.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: August 24, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, Chin Ching Wu
  • Patent number: 3966676
    Abstract: This invention discloses chemical compounds of the formula ##SPC1##Wherein X is chlorine or bromine, and n is an integer from 2 to 5; and fire retardant compositions prepared therefrom.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: June 29, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, Glendon D. Kyker
  • Patent number: 3959216
    Abstract: This invention discloses chemical compounds of the formula ##SPC1##Wherein X and Y are each chlorine or bromine and n is an integer from 2 to 5. Further disclosed are fire retardant compositions comprising a combustible polymer and a compound of the foregoing description.
    Type: Grant
    Filed: March 20, 1975
    Date of Patent: May 25, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, Glendon D. Kyker
  • Patent number: 3959478
    Abstract: This invention discloses chemical compounds having the following structural formula ##SPC1##Wherein X is chlorine or fluorine; n is an integer from 1 to 3; and Y is chlorine, bromine or fluorine. The compounds of the above description are useful as insecticides.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: May 25, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, Leonard J. Stach, Robert N. Wilke
  • Patent number: 3959217
    Abstract: This invention discloses chemical compounds of the formula ##SPC1##Wherein Y is chlorine or bromine and n is an integer from 2 to 5. Further disclosed are fire retardant compositions comprising a combustible polymer and a compound of the foregoing description.
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: May 25, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, Glendon D. Kyker
  • Patent number: 3953397
    Abstract: This invention discloses chemical compounds of the formula ##SPC1##Wherein Y is chlorine or bromine and n is an integer from 2 to 5. Further disclosed are fire retardant compositions comprising a combustible polymer and a compound of the foregoing description.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: April 27, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, Glendon D. Kyker
  • Patent number: 3950307
    Abstract: This invention discloses fire retardant chemical compounds of the formula ##SPC1##Wherein X and Y are each chlorine or bromine and n is an integer from 2 to 5 which are useful in polymeric compositions.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: April 13, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, Glendon D. Kyker
  • Patent number: 3948950
    Abstract: This invention discloses new compounds of the formula ##EQU1## 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, 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; X is halogen; m is an integer from 0 to 2; Z.sup.1 and Z.sup.2 are independently selected from the group consisting of oxygen and sulfur; and n is an integer from 1 to 2. The compounds of the above description are useful as herbicides.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: April 6, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, John Krenzer
  • Patent number: 3948967
    Abstract: New compounds of the formula ##SPC1##Wherein each X is independently selected from the group consisting of halogen, alkyl, alkenyl, haloalkyl, nitro, alkoxy, alkylthio, alkylsulfoxide, alkylsulfone and dialkylamino; n is an integer from 0 to 4; R.sub.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl, and ##SPC2##Wherein X and n are as heretofore described; and R.sub.2 and R.sub.3 are each independently selected from the group consisting of hydrogen, alkyl, alkenyl and haloalkyl. A herbicidal and fungicidal composition comprising an inert carrier and as an essential active ingredient, in a quantity toxic to weeds or fungi, a compound of the above description. A method for the control of weeds and fungi which comprises applying to said weeds or fungi a herbicidal or fungicidal composition comprising an inert carrier and, as an essential active ingredient, in a quantity toxic to weeds or fungi, a compound heretofore described.
    Type: Grant
    Filed: August 26, 1974
    Date of Patent: April 6, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: John Krenzer, Sidney B. Richter
  • Patent number: 3946043
    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: July 26, 1974
    Date of Patent: March 23, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, John Krenzer
  • Patent number: 3946044
    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: August 1, 1974
    Date of Patent: March 23, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, John Krenzer
  • Patent number: 3946045
    Abstract: This invention discloses new compounds of the formula ##SPC1##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: November 13, 1974
    Date of Patent: March 23, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, John Krenzer
  • Patent number: 3942972
    Abstract: This invention discloses new compounds of the formula ##EQU1## 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, 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; X is halogen; m is an integer from 0 to 2; Z.sup.1 and Z.sup.2 are independently selected from the group consisting of oxygen and sulfur; and n is an integer from 1 to 2. The compounds of the above description are useful as herbicides.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: March 9, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, John Krenzer
  • Patent number: 3940259
    Abstract: This invention discloses new compounds of the formula ##EQU1## 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, 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; X is halogen; m is an integer from 0 to 2; Z.sup.1 and Z.sup.2 are independently selected from the group consisting of oxygen and sulfur; and n is an integer from 1 to 2. The compounds of the above description are useful as herbicides.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: February 24, 1976
    Assignee: Velsicol Chemical Corporation
    Inventors: Sidney B. Richter, John Krenzer