Patents by Inventor Horst O. Bayer

Horst O. Bayer 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).

  • Nitrosamine-free 3-isothiazolones and process
    Patent number: 5420290
    Abstract: Nitrosamine-free 3-isothiazolone biocidal compositions suitable for applications where substantial human or animal contact is anticipated, their method of use and process of preparation are disclosed.
    Type: Grant
    Filed: November 18, 1993
    Date of Patent: May 30, 1995
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Barry C. Lange, Ramesh B. Petigara
  • Nitrosamine-free-3-isothiazolones and process
    Patent number: 5312827
    Abstract: Nitrosamine-free 3-isothiazolone biocidal compositions suitable for applications where substantial human or animal contact is anticipated, their method of use and process of preparation are disclosed.
    Type: Grant
    Filed: November 2, 1992
    Date of Patent: May 17, 1994
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Barry C. Lange, Ramesh B. Petigara
  • Process for nitrosamine-free sabilized isothiazolones
    Patent number: 5068338
    Abstract: Nitrosamine-free 3-isothiazolone biocidal compositions suitable for applications where substantial human or animal contact is anticipated, their method of use and process of preparation are disclosed.
    Type: Grant
    Filed: March 27, 1990
    Date of Patent: November 26, 1991
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Barry C. Lange, Ramesh B. Petigara
  • Nitrosamine-free 3-isothiazolone
    Patent number: 4939266
    Abstract: Nitrosamine-free 3-isothiazolone biocidal compositions suitable for applications where substantial human or animal contact is anticipated, their method of use and process of preparation are disclosed.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: July 3, 1990
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Barry C. Lange, Ramesh B. Petigara
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: 4863507
    Abstract: Compounds of the formula: ##STR1## wherein X is hydrogen, halo, trihalomethyl, alkyl, or cyano; Y is hydrogen or halo; and Z is a hydroxy substituted alkyl group and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: September 5, 1989
    Assignee: Rohm and Haas Company
    Inventors: Colin Swithenbank, Horst O. Bayer
  • Herbicidal 4-trifluoro-methyl-4 onitrodiphenyl ethers
    Patent number: 4795825
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: January 3, 1989
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: 4772744
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: September 20, 1988
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: 4662935
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: May 5, 1987
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: 4613360
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: September 23, 1986
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: 4594100
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a hydroxy group, an alkoxy group, an alkyl group, a halogen atom, an amino group, an alkylthio group, a cyano group, a carboxy group, a carbalkoxy group, a carboxyalkyl group, a carbalkoxyalkyl group, an alkanoyloxy group, or a carbamoyloxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: June 10, 1986
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Herbicidal 4-trifluoromethyl-4'-nitrodiphenyl ethers
    Patent number: 4515988
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a hydroxy group, an alkoxy group, an alkyl group, a halogen atom, an amino group, an alkylthio group, a cyano group, a carboxy group, a carbalkoxy group, a carboxyalkyl group, a carbalkoxyalkyl group, an alkanoyloxy group, or a carbamoyloxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: May 7, 1985
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: 4445930
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a hydroxy group, an alkoxy group, and alkyl group, a halogen atom, an amino group, an alkylthio group, a cyano group, a carboxy group, a carbalkoxy group, a carboxyalkyl group, an carbalkoxyalkyl group, an alkanoyloxy group, or a carbamoyloxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: May 1, 1984
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: 4422868
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group or an alkyl group.Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a cyano group or a (C.sub.1 -C.sub.4) alkylthio group and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: December 27, 1983
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: 4415354
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: November 15, 1983
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Herbicidal 4-trifluoromethyl-4'-nitrodiphenyl ethers
    Patent number: 4350522
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a hydroxy group, an alkoxy group, an alkyl group, a halogen atom, an amino group, an alkylthio group, a cyano group, a carboxy group, a carbalkoxy group, a carboxyalkyl group, a carbalkoxyalkyl group, an alkanoyloxy group, or a carbamoyloxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: September 21, 1982
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank
  • Herbicidal 4-trifluoromethyl 4-nitrodiphenyl ethers
    Patent number: 4330324
    Abstract: Compounds of the formula ##STR1## wherein X is a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: May 18, 1982
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Acaricidal, insecticidal, and nematocidal phosphoramidothioates
    Patent number: 4263288
    Abstract: This invention relates to novel phosphoramidothioates of the formula: ##STR1## wherein A is optionally substituted (C.sub.6 -C.sub.10) aryl;R is hydrogen or (C.sub.1 -C.sub.6) alkyl;R.sup.1 is(a) optionally substituted (C.sub.1 -C.sub.6) alkyl,(b) (C.sub.3 -C.sub.8) cycloalkyl,(c) optionally substituted (C.sub.3 -C.sub.6) alkenyl,(d) (C.sub.3 -C.sub.6) alkynyl, or(e) optionally substituted (C.sub.7 -C.sub.11) aralkyl;R.sup.2 is(a) (C.sub.1 -C.sub.6) alkylthio,(b) (C.sub.6 -C.sub.10) aryloxy, or(c) NZ'Z"; whereinZ' is hydrogen or (C.sub.1 -C.sub.6) alkyl; andZ" is hydrogen, (C.sub.1 -C.sub.6) alkyl, (C.sub.3 -C.sub.6) alkenyl, di(C.sub.1 -C.sub.3) alkylamino, 2-ethylthioethyl, 2-methoxyethyl or (C.sub.1 -C.sub.4) alkoxycarbonylalkyl (C.sub.1 -C.sub.4);R.sup.3 is unsubstituted (C.sub.1 -C.sub.6) alkyl; andX is oxygen or sulfur;to compositions containing them and to methods of using them to control certain harmful pests.
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: April 21, 1981
    Assignee: Rohm and Haas Company
    Inventors: Janet Ollinger, Horst O. Bayer
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: 4220468
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, or an alkyl group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: September 2, 1980
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: RE31455
    Abstract: Salts of compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group, andY is a hydrogen atom, a halogen atom, or a trihalomethyl group,and compositions containing these salts exhibit herbicidal activity.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: December 6, 1983
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Herbicidal 4-trifluoromethyl-4-nitrodiphenyl ethers
    Patent number: RE31731
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, or a trihalomethyl group, andZ is an alkoxy group, an alkoxyalkoxy group, a hydroxyalkoxy group, an alkyl group, a halogen atom, an alkylamino group, a dialkylamino group, an alkylthio group, a carboxy group, a carbalkoxy group, a carboxyalkoxy group, a carbalkoxyalkoxy group, a carboxyalkyl group, a carbalkoxyalkyl group, a dialkylureido group, an alkanoylamino group, or carbalkoxyamino group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: November 13, 1984
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih