Patents by Inventor Eugene H. Uhing
Eugene H. Uhing 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: 4758684Abstract: Polycyclic olefins such as camphene, norbornene and bicycloheptadiene among others are reacted with P.sub.4 S.sub.10 and PSX.sub.3, wherein X is selected from the group consisting of chlorine and bromine, at a temperature from about 50.degree. C. to about 250.degree. C. The process can be run at atmospheric pressure. Further, the resulting halides can be further reacted with alcohols, mercaptans and amines to form other novel derivatives. The reaction products obtained can be used in lubricating oil compositions.Type: GrantFiled: February 13, 1986Date of Patent: July 19, 1988Assignee: Akzo America Inc.Inventor: Eugene H. Uhing
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Patent number: 4540526Abstract: Unsaturated hydrocarbons such as ethylene, propylene, butylene, pentene, cyclohexene and 1,3-butadiene among others are reacted with P.sub.4 S.sub.10 and PSX.sub.3, wherein X is selected from the group consisting of Cl and Br, under autogenous pressure at temperatures from about 90.degree. C. to about 250.degree. C. The reaction products obtained are useful as intermediates in preparation of agricultural chemicals; lubricant and polymer additives; mercaptoethyl- and mercaptobutylphosphonic acids; and mercaptobutylphosphinic acids.Type: GrantFiled: August 11, 1983Date of Patent: September 10, 1985Assignee: Stauffer Chemical CompanyInventor: Eugene H. Uhing
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Patent number: 4263230Abstract: Novel bisphosphonite compounds of the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently selected from the group consisting of hydrogen and alkyl of from 1 to 10 carbon atoms, and R is selected from the group consisting of cyclic, straight or branched chain alkyl of from 5 to 12 carbon atoms, straight or branched chain haloalkyl of from 1 to 12 carbon atoms, phenyl, and alkyl substituted phenyl wherein each alkyl is from 1 to 12 carbon atoms.The compounds are useful as intermediates for the production of polymers, insecticides, fungicides, pharmaceuticals, catalyst activators, flame retardants and particularly stabilizers, e.g., anti-oxidants.Type: GrantFiled: October 11, 1979Date of Patent: April 21, 1981Assignee: Stauffer Chemical CompanyInventor: Eugene H. Uhing
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Patent number: 4231970Abstract: Unsaturated hydrocarbons such as ethylene, propylene, butylene, pentene, cyclohexene and 1,3-butadiene among others are reacted with P.sub.4 S.sub.10 and PSX.sub.3, wherein X is selected from the group consisting of Cl and Br, under autogenous pressure at temperatures from about 90.degree. C. to about 250.degree. C. The reaction products obtained are useful as intermediates in preparation of agricultural chemicals; lubricant and polymer additives; mercaptoethyl- and mercaptobutylphosphonic acids; and mercaptobutylphosphinic acids.Type: GrantFiled: July 17, 1978Date of Patent: November 4, 1980Assignee: Stauffer Chemical CompanyInventor: Eugene H. Uhing
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Patent number: 4133830Abstract: Improved yields and a lower accumulation of by-product is obtained in the method for preparing compounds of the formula: ##STR1## wherein R is a C.sub.1 to C.sub.20 alkyl radical, cycloalkyl of 5-6 carbon atoms in the ring and the C.sub.1 -C.sub.4 alkyl substituted derivative thereof, an aralkyl radical of up to two fused rings, the alkyl portion having from 1 to 20 carbon atoms, an aryl radical of up to three fused rings and the C.sub.1 -C.sub.4 alkyl derivatives thereof, and biphenyl and the C.sub.1 -C.sub.4 alkyl derivatives thereof, X is a halogen of chlorine or bromine, and Z is either R or X, by the reaction of a phosphorus halide source, a hydrocarbon source selected from the group consisting of RH, RX and RSaR, wherein a is 1 or 2 and a sulfur source under autogenous pressure in an autoclave at a temperature ranging from about 175.degree. C. to about 450.degree. C.Type: GrantFiled: February 4, 1977Date of Patent: January 9, 1979Assignee: Stauffer Chemical CompanyInventors: Eugene H. Uhing, Francis A. Via
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Patent number: 4130583Abstract: Alkyl- or arylphosphonothioic dihalides are prepared by contacting a dialkyl or diaryl thioether with various phosphorus containing reactants including: PCl.sub.3, PBr.sub.3, P(S)Cl.sub.3, P(S)Br.sub.3, P.sub.4 S.sub.3, P.sub.4 S.sub.5, P.sub.4 S.sub.7, P.sub.4 S.sub.1 O and elemental phosphorus under at least autogenous pressure at a temperature of from about 200.degree. C. to about 400.degree. C. The compounds obtained are useful as constituents in insecticides, fungicides, pharmaceuticals, and as intermediates in preparation of other organophosphorus compounds.Type: GrantFiled: February 17, 1977Date of Patent: December 19, 1978Assignee: Stauffer Chemical CompanyInventors: Eugene H. Uhing, Arthur D. F. Toy
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Patent number: 4100230Abstract: Mono- and disubstituted mercaptophosphorothionochloridates are prepared by reacting a disubstituted sulfide having the formulaR.sub.2 Swherein each R is an independently selected alkyl, cycloalkyl or benzyl, with phosphorus pentasulfide and thiophosphorus trichloride at a temperature from about 150.degree. to about 300.degree. C. A molar ratio of R.sub.2 S to P.sub.4 S.sub.10 to P(S)Cl.sub.3 of 6:1:8 is preferred where the monosubstituted compound is desired, while a ratio of 6:1:2 is preferred where the disubstituted compound is desired. The compounds are useful as intermediates for compounds which exhibit biocidal properties, particularly insecticides and herbicides.Type: GrantFiled: August 4, 1976Date of Patent: July 11, 1978Assignee: Stauffer Chemical CompanyInventors: Eugene H. Uhing, Arthur D. F. Toy
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Patent number: 4076746Abstract: Dialkyl or diaryl phosphonothioic halides are prepared by contacting an alkyl or aryl halide, respectively, with phosphorus sesquisulfide, P.sub.4 S.sub.3, under at least autogenous pressure at a temperature of from about 200.degree. to about 400.degree. C. The compounds obtained are useful as pesticides and as intermediates in preparation of pesticides and other organo-phosphorus compounds.Type: GrantFiled: June 9, 1976Date of Patent: February 28, 1978Assignee: Stauffer Chemical CompanyInventors: Arthur D. F. Toy, Eugene H. Uhing
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Patent number: 4052463Abstract: Tertiary phosphine sulfides and oxides are prepared by contacting elemental phosphorus with dialkyl sulfides, diaryl sulfides or dialkyl ethers in the presence of a catalyst under at least autogenous pressure at a temperature of from about 200.degree. to about 400.degree. C. The compounds obtained are useful as constituents in catalysts, insecticides, fungicides and pharmaceuticals, and as intermediates in preparation of other organophosphorus compounds.Type: GrantFiled: October 6, 1975Date of Patent: October 4, 1977Assignee: Stauffer Chemical CompanyInventors: Eugene H. Uhing, Arthur D. F. Toy
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Patent number: 4034024Abstract: Trialkyl tetrathiophosphates are prepared by contacting a dialkyl sulfide with phosphorus pentasulfide according to the following theoretical reaction scheme:6R.sup.1 SR.sup.2 + P.sub.4 S.sub.10 .fwdarw. 4(R.sup.1 S).sub.x (R.sup.2 S).sub.y P(S)wherein x + y = 3; R.sup.1 and R.sup.2 are the same or different and are selected from the group consisting of aliphatic, having from 1 to about 18 carbon atoms, and alicyclic having 5 or 6 carbon atoms in the ring and the C.sub.1 -C.sub.4 alkyl substituted derivatives thereof. The contacting is effected under at least autogenous pressure at a temperature of from about 150.degree. C. to 300.degree. C. The compounds obtained are useful as additives in agricultural chemicals and as intermediates in preparation of other organophosphorus compounds.Type: GrantFiled: January 19, 1976Date of Patent: July 5, 1977Assignee: Stauffer Chemical CompanyInventors: Arthur D. F. Toy, Eugene H. Uhing
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Patent number: 4000190Abstract: Alkyl- and arylphosphonothioic dihalides are prepared by contacting a dialkyl or diaryl disulfide with phosphorus and phosphorus trihalide under at least autogenous pressure at a temperature of from about 200.degree. C. to about 400.degree. C. The compounds obtained are useful as constituents in insecticides, fungicides, pharmaceuticals and as intermediates in preparation of other organophosphorus compounds.Type: GrantFiled: February 10, 1975Date of Patent: December 28, 1976Assignee: Stauffer Chemical CompanyInventors: Eugene H. Uhing, Arthur D. F. Toy
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Patent number: 3976690Abstract: Alkane bis-dihalophosphines are prepared by reacting an olefin with a trivalent phosphorus compound having three halogens attached thereto, such as phosphorus trichloride, in the presence of elemental phosphorus under at least autogenous pressure at a temperature of from 150.degree.C. to 350.degree.C. The compounds obtained are useful as intermediates in preparing organophosphorus compounds which can be used as insecticides, fungicides, pharmaceuticals, flame retardant compounds, and in forming metal complexes which are catalyst activators.Type: GrantFiled: September 15, 1975Date of Patent: August 24, 1976Assignee: Stauffer Chemical CompanyInventors: Arthur D. F. Toy, Eugene H. Uhing
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Patent number: 3968156Abstract: Alkyl- or arylphosphonothioic dihalides are prepared by contacting an alkyl or aryl halide with a trivalent phosphorus compound having three halogens attached thereto or a pentavalent thiophosphorus halide having three halogens attached thereto or mixtures of the trivalent and pentavalent phosphorus halides, in the presence of phosphorus sulfides, for example, P.sub.4 S.sub.3, P.sub.4 S.sub.7 or P.sub.4 S.sub.10 under at least autogenous pressure at a temperature of from about 175.degree.C. to about 400.degree.C. The compounds obtained are useful as constituents in insecticides, fungicides, pharmaceuticals, and as intermediates in preparation of other organophosphorus compounds.Type: GrantFiled: December 20, 1974Date of Patent: July 6, 1976Assignee: Stauffer Chemical CompanyInventors: Eugene H. Uhing, Arthur D. F. Toy
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Patent number: 3962323Abstract: Alkyl- or arylphosphonothioic dihalides are prepared by contacting a reactant selected from the group consisting of mono-alkyl or aryl mercapto phosphorothionodihalidate, dialkyl or aryl mercapto phosphorothionohalidate or tri- alkyl or aryl tetrathiophosphate with phosphorus trihalide under at least autogenous pressure at a temperature of from about 200.degree.C. to about 400.degree.C. The compounds obtained are useful as constituents in insecticides, fungicides and pharmaceuticals, and as intermediates in preparation of other organophosphorus compounds.Type: GrantFiled: November 14, 1974Date of Patent: June 8, 1976Assignee: Stauffer Chemical CompanyInventors: Arthur D. F. Toy, Eugene H. Uhing
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Patent number: RE30279Abstract: Alkyl or aryl phosphonic or phosphonothioic dihalides and phosphinic or phosphinothioic monohalides are prepared by reacting an alkyl halide or aryl halide respectively with a tri-valent phosphorus compound having at least two halogens attached thereto, and preferably three two halogens such as phosphorus trihalide, in the presence of P.sub.4 O.sub.10 or P.sub.4 S.sub.10 under at least autogenous pressure at a temperature of from 200.degree. C. to 450.degree. C. The compounds obtained are useful as constituents in insecticides, fungicides, pharmaceuticals, and as intermediates in preparation of other organophosphorus compounds.Type: GrantFiled: January 4, 1979Date of Patent: May 20, 1980Assignee: Stauffer Chemical CompanyInventors: Arthur D. F. Toy, Eugene H. Uhing
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Patent number: RE31300Abstract: Alkyl- or arylphosphonothioic dihalides are prepared by contacting an alkyl or aryl halide with a trivalent phosphorus compound having three halogens attached thereto or a pentavalent thiophosphorus halide having three halogens attached thereto or mixtures of the trivalent and pentavalent phosphorus halides, in the presence of phosphorus sulfides, for example, P.sub.4 S.sub.3, P.sub.4 S.sub.7 or P.sub.4 S.sub.10 under at least autogenous pressure at a temperature of from about 175.degree. C. to about 400.degree. C. The compounds obtained are useful as constituents in insecticides, fungicides, pharmaceuticals, and as intermediates in preparation of other organophosphorus compounds.Type: GrantFiled: January 5, 1979Date of Patent: July 5, 1983Assignee: Stauffer Chemical CompanyInventors: Eugene H. Uhing, Arthur D. F. Toy