Patents by Inventor Wayne O. Johnson
Wayne O. Johnson 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: 5304531Abstract: Compounds of the formula: ##STR1## wherein X is hydrogen, halo, trihalomethyl, alkyl, nitro, or cyano; X.sup.1 is hydrogen, halo, or trihalomethyl; X.sup.2 is trihalomethyl or halo; Y is O, S, NH or NR.sup.1 ; R.sup.1 and R.sup.2 are the same or different radicals selected from hydrogen, alkyl, or mononuclear aralkyl; n is 1 to 5, and Z is carboxy, amino, mono- and dialkyl amino and when Z is carboxy; the agronomically acceptable salts, esters, thioesters and amides thereof, and compositions containing these compounds exhibit herbicidal activity.Type: GrantFiled: December 19, 1984Date of Patent: April 19, 1994Inventor: Wayne O. Johnson
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Patent number: 5214190Abstract: Compounds of the formula: ##STR1## wherein X is hydrogen, halo, trihalomethyl, alkyl, nitro, or cyano; X.sup.1 is hydrogen, halo, or trihalomethyl; X.sup.2 is trihalomethyl or halo; Y is O, S, NH or NR.sup.1 ; R.sup.1 and R.sup.2 are the same or different radicals selected from hydrogen, alkyl, or mononuclear aralkyl; n is 1 to 5, and Z is carboxy, amino, mono- and dialkyl amino and when Z is carboxy, the agronomically acceptable salts, esters, thioesters and amides thereof, and compositions containing these compounds exhibit herbicidal activity.Type: GrantFiled: October 21, 1992Date of Patent: May 25, 1993Inventor: Wayne O. Johnson
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Patent number: 5073188Abstract: 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 halogen atom,R.sup.1 is a hydrogen atom, a hydroxy group, an alkoxy group, or an optionally-substituted alkyl group, andR.sup.2 is a hydrogen atom or an optionally-substituted alkyl group, or R.sup.1 and R.sup.2 can be taken together to form a heterocyclic ring,and compositions containing these compounds exhibit herbicidal activity.Type: GrantFiled: September 8, 1987Date of Patent: December 17, 1991Assignee: Rohm and Haas CompanyInventor: Wayne O. Johnson
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Patent number: 4937381Abstract: 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 or a halogen atom,R.sup.1 is a hydrogen atom, a hydroxy group, an alkoxy group, or an optionally-substituted-alkyl group, andR.sup.2 is a hydrogen atom or an optionally substituted alkyl group, or R.sup.1 and R.sup.2 can be taken together to form a heterocyclic ring,and compositions containing these compounds exhibit herbicidal activity.Type: GrantFiled: April 21, 1986Date of Patent: June 26, 1990Assignee: Rohm and Haas CompanyInventor: Wayne O. Johnson
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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: 4262152Abstract: A process for preparing trifluoromethylphenyl nitro phenylethers which comprises treating a trifluoromethylhalobenzene with a base in a cosolvent system to afford a trifluoromethyl phenolate which may be isolated as its free phenol or reacted with an appropriately substituted halobenzene to afford a diphenylether herbicide or a precursor thereto.Type: GrantFiled: May 2, 1979Date of Patent: April 14, 1981Assignee: Rohm and Haas CompanyInventor: Wayne O. Johnson
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Patent number: 4259510Abstract: A process for preparing trifluoromethylphenyl nitro phenylethers which comprises treating a trifluoromethylhalobenzene with a base in a cosolvent system to afford a trifluoromethyl phenolate which may be isolated as its free phenol or reacted with an appropriately substituted halobenzene to afford a diphenylether herbicide or a precursor thereto.Type: GrantFiled: May 19, 1980Date of Patent: March 31, 1981Assignee: Rohm and Haas CompanyInventor: Wayne O. Johnson
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Patent number: 4209318Abstract: 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 group of the formula --OZ' or --NRZ', wherein Z' is an alkenyl group, an alkynyl group, an aralkenyl group, a cycloalkenyl group, or an epoxyalkyl group and R is a hydrogen atom or an alkyl group,and compositions containing these compounds exhibit herbicidal activity.Type: GrantFiled: July 20, 1978Date of Patent: June 24, 1980Assignee: Rohm and Haas CompanyInventor: Wayne O. Johnson
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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: 4108630Abstract: Novel compounds belonging to the class of 3-carboxy (or the physiologically acceptable salts thereof), 3-carbalkoxy, and 3-carbamoyl-1-alkyl-4,6-disubstituted pyrid-2-ones. These compounds possess biological activity and in particular are gametocides and plant growth regulators. Novel 3-cyano-1-alkyl-4,6-disubstituted pyrid-2-ones are also disclosed as intermediates.Type: GrantFiled: March 25, 1977Date of Patent: August 22, 1978Assignee: Rohm and Haas CompanyInventors: Wayne O. Johnson, Michael C. Seidel, Harlow L. Warner
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Patent number: 4083713Abstract: This invention relates to the selective herbicidal activity of fluoroaminopyridazines. In particular, these compounds exhibit preemergence and postemergence herbicidal activity on many of the major weeds including perennial weeds such as nutsedge and quackgrass. These compounds are particularly effective in selectively controlling weeds in agronomic crops.Type: GrantFiled: March 14, 1975Date of Patent: April 11, 1978Assignee: Rohm and Haas CompanyInventors: Roy Y. Yih, Wayne O. Johnson, Gerald E. Kollman
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Patent number: 4070178Abstract: Diphenyl ethers of the formula ##STR1## whereinR.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: January 24, 1978Assignee: Rohm and Haas CompanyInventors: Wayne O. Johnson, Roy Y. Yih
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Patent number: 4059435Abstract: 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 divalent alkylene group,And compositions containing these compounds exhibit herbicidal activity.Type: GrantFiled: August 31, 1976Date of Patent: November 22, 1977Assignee: Rohm and Haas CompanyInventor: Wayne O. Johnson
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Patent number: 4038065Abstract: Novel compounds belonging to the class of 3-carboxy (or the physiologically acceptable salts thereof), 3-carbalkoxy, and 3-carbamoyl-1-alkyl-4,6-disubstituted pyrid-2-ones. These compounds possess biological activity and in particular are gametocides and plant growth regulators. Novel 3-cyano-1-alkyl-4,6-disubstituted pyrid-2-ones are also disclosed as intermediates.Type: GrantFiled: October 11, 1974Date of Patent: July 26, 1977Assignee: Rohm and Haas CompanyInventors: Wayne O. Johnson, Michael C. Seidel, Harlow L. Warner
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Patent number: 4031131Abstract: Phenoxybenzoic acids and esters of the formula ##STR1## wherein R is hydrogen or alkyl and X is hydrogen or chlorine can be prepared by reacting the disalt of 3-hydroxybenzoic acid with a 3-chloro-4-halobenzotrifluoride. These phenoxybenzoic acids and esters can then be selectively nitrated to give the corresponding 2-nitro-5-(substituted)phenoxybenzoic acids and esters. The nitrated esters can also be prepared by first nitrating the corresponding acid and then esterifying with an appropriate alcohol.Type: GrantFiled: September 29, 1975Date of Patent: June 21, 1977Assignee: Rohm and Haas CompanyInventor: Wayne O. Johnson
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Patent number: 3954875Abstract: Compounds of the formula ##SPC1##WhereinR is an alkyl or an allyl group,R' is an alkyl group,R" is an alkyl group, an alkoxy group, or a trihaloalkyl group, andn is 1 or 2And compositions containing these compounds exhibit herbicidal activity.Type: GrantFiled: December 26, 1973Date of Patent: May 4, 1976Assignee: Rohm and Haas CompanyInventors: Colin Swithenbank, Wayne O. Johnson