Patents by Inventor John F. Olin

John F. Olin 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).

  • Herbicidal meta-bifunctional benzenes
    Patent number: 4242122
    Abstract: Novel compounds and their herbicidal use having the formula ##STR1## wherein A is selected from the group ##STR2##
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: December 30, 1980
    Assignee: Monsanto Company
    Inventors: Philip C. Hamm, John F. Olin
  • Herbicidal ureido containing carbanilates
    Patent number: 4013450
    Abstract: Novel compounds and their herbicidal use having the formula ##STR1## wherein A is selected from the group ##STR2##
    Type: Grant
    Filed: February 11, 1975
    Date of Patent: March 22, 1977
    Assignee: Monsanto Company
    Inventors: John F. Olin, Philip C. Hamm
  • Dithiocarbamate hydrochloride salts and their manufacture
    Patent number: 3996275
    Abstract: N,N-disubstituted-N'-arylamidino dialkyldithiocarbamate hydrochlorides are prepared by reaction of trisubstituted thioureas with disubstituted thiocarbamoyl chlorides. N,N-disubstituted-N'-arylamidino dialkyldithiocarbamate hydrochlorides are particularly useful as pre-emergent and contact herbicides.
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: December 7, 1976
    Assignee: Monsanto Company
    Inventor: John F. Olin
  • Meta-bifunctional benzenes and herbicidal compositions
    Patent number: 3979202
    Abstract: Meta-bifunctional of the general formula ##EQU1## wherein A is selected from the groups ##EQU2## These compounds possess herbicidal activity.
    Type: Grant
    Filed: February 6, 1975
    Date of Patent: September 7, 1976
    Assignee: Monsanto Company
    Inventors: John F. Olin, Philip C. Hamm
  • Dithiocarbamate hydrochloride salts and their manufacture
    Patent number: 3956384
    Abstract: N,N-disubstituted-N'-arylamidino dialkyldithiocarbamate hydrochlorides are prepared by reaction of trisubstituted thioureas with disubstituted thiocarbamoyl chlorides. N,N-disubstituted-N-'-arylamidino dialkyldithiocarbamate hydrochlorides are particularly useful as pre-emergent and contact herbicides.
    Type: Grant
    Filed: April 10, 1975
    Date of Patent: May 11, 1976
    Assignee: Monsanto Company
    Inventor: John F. Olin