Patents by Inventor Roy Y. Yih

Roy Y. Yih 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: 5028732
    Abstract: Compounds having the formula ##STR1## wherein Q is substituted phenyl or substituted pyridyl; Y is nitro, cyano, or halogen; R is a group of the formula --(CHR.sup.1).sub.m --A--(CH.sup.2)--.sub.n --R.sup.3 wherein R.sup.1 and R.sup.2, independently of each other and in each (CHR.sup.1) and (CHR.sup.2) group, are hydrogen, unsubstituted or substituted alkyl, alkoxy, or alkylthio; A is --N(R.sup.1)--, --N(O)--, --O--, --S--, --S(O)--, --S(O).sub.2 --, --C(O)--, --C(O)B--, or --N(H)S(O).sub.2 --; B is alkylene, --O--, --S--, or --N(R.sup.4)--; R.sup.3 is cyano, halogen, or C(O)Z; R.sup.4 is hydrogen or unsubstituted or substituted alkyl; Z is hydrogen, unsubstituted or substituted alkyl, --N(R.sup.4).sub.2, --OR.sup.5, --SR.sup.5, or --N(R.sup.4)SO.sub.2 R.sup.6 ; R.sup.5 is hydrogen, unsubstituted or substituted alkyl, or an agronomically-acceptable cation; R.sup.
    Type: Grant
    Filed: March 13, 1986
    Date of Patent: July 2, 1991
    Assignee: Rohm and Haas Company
    Inventors: Ann H. Beaulieu, Roy Y. Yih
  • Patent number: 4806682
    Abstract: Sulfonium and sulfoxonium salts of the formula ##STR1## wherein X and Y are independently a hydrogen atom, a halogen atom, a trihalomethyl group, a nitro group, an alkyl group or a cyano group; Z is a halogen atom, a trihalomethyl group, an alkyl group, cyano group or --S(O).sub.m R, wherein m is 0, 1 or 2 and R is an alkyl group; A is a halogen atom, a nitro group or a cyano group; B is a negatively charged organic substituent; n is 0 or 1, each R.sup.1 is independently an alkyl group, an aryl group or --N(R.sup.2).sub.2 wherein R.sup.2 is an alkyl group or an aryl group; S is sulfur; and N is nitrogen, and compositions containing these salts exhibit herbicidal activity.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: February 21, 1989
    Assignee: Rohm and Haas Company
    Inventor: Roy Y. Yih
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: 4335249
    Abstract: Diphenyl ethers of the formula ##STR1## wherein R.sup.1 is hydrogen or halogen,R.sup.2 is hydrogen, halogen, or cyano,R is ##STR2## wherein R.sup.3 is hydrogen, halogen, nitro, alkyl, or alkoxy,R.sup.4 is a divalent alkylene radical, andR.sup.5 is cyano or --COR.sup.6, wherein R.sup.6 is alkoxy, hydroxy or salt thereof, allyloxy, alkoxyalkoxy, amino, alkyl or dialkyl amino, aminoalkoxy, or alkyl or dialkylaminoalkoxy,and diphenyl sulfides, sulfoxides, and sulfones of the formula ##STR3## wherein R.sup.8 is hydrogen, halogen, cyano, nitro, alkyl, alkoxy, or trifluoromethyl,R.sup.2 is hydrogen, halogen or cyano,X is sulfur, sulfinyl, or sulfonyl, andR is as defined above,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: July 30, 1976
    Date of Patent: June 15, 1982
    Assignee: Rohm and Haas Company
    Inventors: Wayne O. Johnson, Roy Y. Yih
  • 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
  • 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
  • Patent number: 4219352
    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, andY is a hydrogen atom, a halogen atom, or a trihalomethyl group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: July 11, 1977
    Date of Patent: August 26, 1980
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: 4185995
    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: June 20, 1977
    Date of Patent: January 29, 1980
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: 4119667
    Abstract: This disclosure teaches that certain halo aniline derivatives, when applied post-emergence to plants, effect a modification of the growth pattern of said plant.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: October 10, 1978
    Assignee: Rohm and Haas Company
    Inventors: Wayne O. Johnson, Harlow L. Warner, Roy Y. Yih
  • Patent number: 4093446
    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: August 31, 1976
    Date of Patent: June 6, 1978
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • Patent number: RE30361
    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, andY is a hydrogen atom, a halogen atom, or a trihalomethyl group, and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: March 9, 1979
    Date of Patent: August 5, 1980
    Assignee: Rohm and Haas Company
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
  • 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
  • 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