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Lawrence A Smith Jr: Catalytic distillation process. Chemical Research & Licensing Company, Kenneth H Johnson, November 4, 1980: US04232177 (114 worldwide citation)

A method for conducting chemical reactions and fractionation of the reaction mixture comprising feeding reactants to a distillation column reactor into a feed zone and concurrently contracting the reactants with a fixed bed catalytic packing to concurrently carry out the reaction and fractionate the ...


2
Lawrence A Smith Jr: Catalytic distillation structure. Chemical Research & Licensing Company, Kenneth H Johnson, April 17, 1984: US04443559 (113 worldwide citation)

Catalytic distillation structure for use in reaction distillation columns, a providing reaction sites and distillation structure and consisting of a catalyst component and a resilient component intimately associated therewith. The resilient component has at least about 70 volume % open space and bei ...


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Lawrence A Smith Jr: Process for separating isobutene from C.sub.4 streams. Chemical Research & Licensing Company, Kenneth H Johnson, December 30, 1980: US04242530 (105 worldwide citation)

A method for the separation of isobutene from a mixture comprising n-butene and isobutene comprising feeding a C.sub.4 stream containing n-butene and isobutene to a distillation column reactor into a feed zone contacting the stream with fixed bed acidic cation exchange resin to form diisobutene whic ...


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Lawrence A Smith Jr: Catalytic distillation process. Chemical Research & Licensing Company, Kenneth H Johnson, December 22, 1981: US04307254 (98 worldwide citation)

A method for conducting chemical reactions and fractionation of the reaction mixture comprising feeding reactants to a distillation column reactor into a feed zone and concurrently contacting the reactants with a fixed bed catalytic packing to concurrently carry out the reaction and fractionate the ...


6
Lawrence A Smith Jr: Process for separating isobutene from C.sub.4 streams. Chemical Research & Licensing Co, Kenneth H Johnson, November 24, 1981: US04302356 (91 worldwide citation)

A catalyst system for use in a reaction-distillation column which is a cloth belt having a plurality of pockets therein containing acid cation exchange resin arranged and supported by wire mesh intimately associated with the cloth pockets, particularly by coiling the cloth belt with the wire mesh di ...


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Lawrence A Smith Jr: Alkylation of organic aromatic compounds. Chemical Research & Licensing Company, Kenneth H Johnson, July 18, 1989: US04849569 (81 worldwide citation)

Aromatic compounds are alkylated in a catalytic distillation, wherein the catalyst structure also serves as a distillation component by contacting the aromatic compound with a C.sub.2 to C.sub.10 olefin in the catalyst bed under 0.25 to 50 atmospheres of pressure and at temperatures in the range of ...


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William R Cares: Iso-C.sub.4 compound reactions with perfluorosulfonic acid resin catalysts. Petro Tex Chemical Corporation, Kenneth H Johnson, December 27, 1977: US04065512 (80 worldwide citation)

Perfluorosulfonic acid resin membranes are active catalysts for the hydration and polymerization of isobutene and dehydration of t-butanol. The membranes offer unique advantages for hydration and dehydration since they are semi-permeable to water and impermeable to hydrocarbons.


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Douglas W Stephan, Jeff C Stewart, Daryll G Harrison: Supported phosphinimine-Cp catalysts. Nova Chemicals, Kenneth H Johnson, October 12, 1999: US05965677 (79 worldwide citation)

A catalyst component which is especially useful in so-called "slurry" or "gas phase" olefin polymerizations and which comprises an organometallic complex of a group 4 metal (having a cyclopentadienyl-type ligand and a phosphinimine ligand) and a particulate support. The catalyst component forms an e ...


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Vaclav G Zboril, Stephen J Brown: Control of a solution process for polymerization of ethylene. Novacor Chemicals, Kenneth H Johnson, December 31, 1996: US05589555 (69 worldwide citation)

A solution process for the preparation of high molecular weight polymers of alpha-olefins selected from the group consisting of homopolymers of ethylene and copolymers of ethylene and C.sub.3 -C.sub.12 higher alpha-olefins is disclosed. Ethylene and/or mixtures of ethylene and C.sub.3 -C.sub.12 high ...