Patents by Inventor Robert J. Theissen

Robert J. Theissen 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).

  • Substituted phenoxybenzoic acids and derivatives thereof as herbicides
    Patent number: 4681622
    Abstract: 2-Nitro-5-(substituted-phenoxy) benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: March 9, 1984
    Date of Patent: July 21, 1987
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • 2-nitro-5-(substituted phenoxy) benzoate esters of hydroxyalkanoic acids and derivatives thereof as herbicides
    Patent number: 4667052
    Abstract: There is provided a new class of derivatives of 2-nitro-5-(substituted-phenoxy) benzoate esters of hydroxyalkanoic acids that have pre- and post-emergence herbicidal activity.
    Type: Grant
    Filed: April 13, 1983
    Date of Patent: May 19, 1987
    Assignee: Rhone-Poulenc Inc.
    Inventor: Robert J. Theissen
  • 2-nitro-5-(substituted-phenoxy) phenylalkanone oxime and imine derivatives as herbicides
    Patent number: 4633000
    Abstract: There is provided a new class of derivatives of 2-nitro-5-(substituted-phenoxy) phenylalkanone oximes and imines that have pre- and post-emergence herbicidal activity.
    Type: Grant
    Filed: June 14, 1984
    Date of Patent: December 30, 1986
    Assignee: Rhone Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Substituted phenoxybenzoic acids and derivative thereof as herbicides
    Patent number: 4606758
    Abstract: 2-Nitro-5-(substituted-phenoxy)benzoic acids and ester salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: July 2, 1976
    Date of Patent: August 19, 1986
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • (Bisalkoxycarbonyl)alkyl 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoates
    Patent number: 4599442
    Abstract: There is provided herbicidal (bisalkoxycarbonyl)alkyl 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoates. These compounds are particularly useful when applied in a post-emergence application to soybean fields containing broadleaf weeds.
    Type: Grant
    Filed: July 10, 1981
    Date of Patent: July 8, 1986
    Assignee: Rhone-Poulenc, Inc.
    Inventor: Robert J. Theissen
  • 2-Nitro-5-(substituted-phenoxy) phenylalkanone oxime and imine derivatives as herbicides
    Patent number: 4551171
    Abstract: There is provided a new class of derivatives of 2-nitro-5-(substituted-phenoxy) phenylalkanone oximes and imines that have pre- and post-emergence herbicidal activity.
    Type: Grant
    Filed: February 1, 1980
    Date of Patent: November 5, 1985
    Assignee: Rhone-Poulenc, Inc.
    Inventor: Robert J. Theissen
  • 2-Nitro-5(substituted-phenoxy) benzoyl derivatives as herbicides
    Patent number: 4517010
    Abstract: There is provided a new class of derivatives of 2-nitro-5-(substituted-phenoxy) benzoyl compounds that have pre- and post-emergence herbicidal activity. The derivatives include certain substituted phenyl esters, phenyl thioesters; heterocyclic esters; substituted alkyl and alkylthio esters; carbonates and thiocarbonates; benzoyl phosphonates; substituted alkanones and substituted amides.
    Type: Grant
    Filed: April 15, 1983
    Date of Patent: May 14, 1985
    Assignee: Rhone-Poulenc Inc.
    Inventor: Robert J. Theissen
  • Herbicidal N-sulfonyl 5-[substituted phenoxy]-2-substituted benzamides
    Patent number: 4410353
    Abstract: There are provided herbicidal N-sulfonyl 5-[substituted phenoxy or pyridyloxy]-2-substituted benzamides.
    Type: Grant
    Filed: July 17, 1981
    Date of Patent: October 18, 1983
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Herbicidal N-(5,5-dimethyloxazolideneyl-2,4-dione) 5-(substituted phenoxy-2-substituted benzamides
    Patent number: 4367090
    Abstract: There are provided herbicidal N-(5,5-dimethyloxazolideneyl-2,4-dione) 5-(substituted phenoxy or pyridyloxy)-2-substituted benzamides.
    Type: Grant
    Filed: July 17, 1981
    Date of Patent: January 4, 1983
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Herbicidal 1-(5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoyl)-3-isopropyl-2 ,1,3-benzothiadiazin-4-one,2,2-dioxide
    Patent number: 4340417
    Abstract: There is provided herbicidal 1-(5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoyl)-3-isopropyl-2,1 ,3-benzothiadiazin-4-one-2,2-dioxide. This compound is particularly useful when applied in a post-emergence application to soybean fields containing broadleaf weeds.
    Type: Grant
    Filed: June 23, 1981
    Date of Patent: July 20, 1982
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Herbicidal nitroalkyl 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoates
    Patent number: 4339268
    Abstract: There is provided herbicidal nitroalkyl 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoates. These compounds are particularly useful when applied in a post-emergence application to soybean fields containing broadleaf weeds.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: July 13, 1982
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Substituted phenoxybenzoic acids, compositions of the same and herbicidal use thereof
    Patent number: 4164409
    Abstract: 2-Nitro-5-(substituted-phenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: May 5, 1978
    Date of Patent: August 14, 1979
    Assignee: Mobil Oil Corp.
    Inventor: Robert J. Theissen
  • Esters of substituted phenoxybenzoic acids, compositions of the same and herbicidal use thereof
    Patent number: 4164410
    Abstract: 2-Nitro-5-(substituted-phenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: May 5, 1978
    Date of Patent: August 14, 1979
    Assignee: Mobil Oil Corp.
    Inventor: Robert J. Theissen
  • Salts of substituted phenoxybenzoic acids, compositions of the same and herbicidal use thereof
    Patent number: 4164408
    Abstract: 2-Nitro-5-(substituted-phenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: August 14, 1979
    Assignee: Mobil Oil Corp.
    Inventor: Robert J. Theissen
  • Substituted phenoxybenzoic acids and esters thereof
    Patent number: RE31831
    Abstract: 2-nitro-5-(substituted-phenoxy)benzoic acids and esters salts, amides and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: June 25, 1981
    Date of Patent: February 12, 1985
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Substituted phenoxybenzoic acids compositions of the same and herbicidal use thereof
    Patent number: RE32215
    Abstract: 2-nitro-5-(substituted-phenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: February 23, 1983
    Date of Patent: July 22, 1986
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Salts of substituted phenoxybenzoic acids, compositions of the same and herbicidal use thereof
    Patent number: RE32216
    Abstract: 2-Nitro-5-(substituted-phenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: February 23, 1983
    Date of Patent: July 29, 1986
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Esters of substituted phenoxybenzoic acids, compositions of the same and herbicidal use thereof
    Patent number: RE32243
    Abstract: 2-Nitro-5-(substituted-phenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: February 23, 1983
    Date of Patent: September 9, 1986
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Substituted phenoxybenzoic acids and derivatives thereof
    Patent number: RE32316
    Abstract: Metal salts and amine salts of 2-nitro-5-(halophenoxy)benzoic acids comprise a class of compounds that are highly effective pre- and post-emergence herbicides.
    Type: Grant
    Filed: September 14, 1979
    Date of Patent: December 30, 1986
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Halophenoxy benzamide herbicides
    Patent number: RE32550
    Abstract: 2-Nitro-5-(halophenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective pre- and post-emergence herbicides.
    Type: Grant
    Filed: September 14, 1979
    Date of Patent: November 24, 1987
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen