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).
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Patent number: 5028732Abstract: 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: GrantFiled: March 13, 1986Date of Patent: July 2, 1991Assignee: Rohm and Haas CompanyInventors: Ann H. Beaulieu, Roy Y. Yih
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Patent number: 4806682Abstract: 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: GrantFiled: December 22, 1986Date of Patent: February 21, 1989Assignee: Rohm and Haas CompanyInventor: Roy Y. Yih
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Patent number: 4772744Abstract: 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: GrantFiled: April 27, 1987Date of Patent: September 20, 1988Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4662935Abstract: 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: GrantFiled: September 16, 1981Date of Patent: May 5, 1987Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4613360Abstract: 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: GrantFiled: September 16, 1981Date of Patent: September 23, 1986Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4594100Abstract: 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: GrantFiled: September 16, 1981Date of Patent: June 10, 1986Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4515988Abstract: 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: GrantFiled: September 16, 1981Date of Patent: May 7, 1985Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4445930Abstract: 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: GrantFiled: September 16, 1981Date of Patent: May 1, 1984Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4422868Abstract: 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: GrantFiled: September 16, 1981Date of Patent: December 27, 1983Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4415354Abstract: 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: GrantFiled: September 16, 1981Date of Patent: November 15, 1983Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4335249Abstract: 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: GrantFiled: July 30, 1976Date of Patent: June 15, 1982Assignee: Rohm and Haas CompanyInventors: Wayne O. Johnson, Roy Y. Yih
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Patent number: 4330324Abstract: 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: GrantFiled: January 14, 1980Date of Patent: May 18, 1982Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4220468Abstract: 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: GrantFiled: February 27, 1978Date of Patent: September 2, 1980Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4219352Abstract: 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: GrantFiled: July 11, 1977Date of Patent: August 26, 1980Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4185995Abstract: 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: GrantFiled: June 20, 1977Date of Patent: January 29, 1980Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: 4119667Abstract: 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: GrantFiled: November 25, 1974Date of Patent: October 10, 1978Assignee: Rohm and Haas CompanyInventors: Wayne O. Johnson, Harlow L. Warner, Roy Y. Yih
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Patent number: 4093446Abstract: 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: GrantFiled: August 31, 1976Date of Patent: June 6, 1978Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: RE30361Abstract: 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: GrantFiled: March 9, 1979Date of Patent: August 5, 1980Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: RE31455Abstract: 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: GrantFiled: September 1, 1978Date of Patent: December 6, 1983Assignee: Rohm and Haas CompanyInventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih
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Patent number: RE31731Abstract: 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: GrantFiled: September 1, 1978Date of Patent: November 13, 1984Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih