Yicheng Long, Tadeusz Dabros, Hassan Hamza: NIR spectroscopy method for analyzing chemical process components. Her Majesty the Queen in right of Canada represented by the Minister of Natural Resources Canada, June 27, 2006: US07067811 (20 worldwide citation)

A method is described for providing rapid on-line analyses of chemical compositions such as chemical process streams, utilizing near-infrared (NIR) spectroscopy in combination with chemometrics. In the method, for each type of analysis to be conducted, a database is provided by analyzing a series of ...

Eckhard Melchior: Method and apparatus for manufacturing synthesis gas. M A N Maschinenfabrik Augsburg Nurnberg Aktiengesellschaft, Scully Scott Murphy and Presser, November 12, 1985: US04552741 (20 worldwide citation)

Method and apparatus for generating synthesis gas, such as hydrogen through the catalytic conversion of hydrocarbons under heat. In order to reduce the fuel energy losses associated with such chemical processes, the reactors filled with a catalyzer are at least partially heated by the direct or indi ...

Stephen M Lato: Removal of organic residue from fiber mist eliminator. Stauffer Chemical Company, Richard P Fennelly, October 8, 1985: US04545789 (20 worldwide citation)

The organic material fouling fiber mist eliminator elements used in the chemical process industry (e.g., to filter chlorine gas in the production of chlorine) is removed by treating the fouled element with a heated, dilute aqueous caustic solution.

Thomas Rathbone, John T Lavin: Air separation in combination with a chemical process. The BOC Group, Robert I Pearlman, Coleman R Reap, December 31, 1991: US05076837 (20 worldwide citation)

A method and apparatus for recovering work from a nitrogen stream, wherein the nitrogen is preheated via heat exchange with hot fluid from a chemical process, which process utilizes the oxygen product of the air separation. Preferably at least a part of the expanded nitrogen is utilized to preheat a ...


Throckmorton Morford C: Chemical process. The Goodyear Tire & Rubber Company, Brunner F W, Clowney J Y, October 7, 1975: US3910869 (20 worldwide citation)

There is disclosed a process for the polymerization of butadiene and butadiene in mixture with other diolefins to form polymers containing a high proportion of the butadiene units in the cis-1,4 configuration which comprises contacting said monomer under solution polymerization conditions at tempera ...

Paul A Aristoff: Methano carbacyclin analogs. The Upjohn Company, L Ruth Hattan, Robert A Armitage, September 14, 1982: US04349689 (20 worldwide citation)

The present specification provides novel analogs of carbacyclin (CBA.sub.2), 6a-carba-prostacyclin (6a-carba-PGI.sub.2), which have pronounced prostacyclin-like pharmacological activity, e.g., as platelet anti-aggregatory agents. Specifically the novel chemical analogs of CBA.sub.2 are those substit ...

Michael B Frish, Joseph Morency, Stephen A Johnson, Arthur A Boni: Apparatus for combustion, pollution and chemical process control. PSI Environmental Instruments, Testa Hurwitz & Thibeault, January 4, 1994: US05275553 (19 worldwide citation)

Disclosed is a system for regulating the efficiency of a combustion process by detecting radiant energy emitted from ash particles entrained in the gas stream exiting the combustion chamber of a boiler or incinerator. The intensity of selected wavelengths of light emitted from the particles is indic ...

Paul Joseph Andersen, Hai Ying Chen, Joseph Michael Fedeyko, Erich Weigert: Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides. Johnson Matthey Public Company, RatnerPrestia, August 16, 2011: US07998443 (19 worldwide citation)

A method of using a catalyst comprises exposing a catalyst to at least one reactant in a chemical process. The catalyst comprises copper and a small pore molecular sieve having a maximum ring size of eight tetrahedral atoms. The chemical process undergoes at least one period of exposure to a reducin ...

Luke F O Keefe, Warren Volles, Andrew S Zarchy: Chemical processing with an operational step sensitive to a feedstream component. UOP, Morris N Reinisch, May 16, 1989: US04831207 (19 worldwide citation)

The present invention relates to a chemical process involving a processing step which is sensitive to the presence of at least one component contained within the stream to be processed and to an economical and efficient method of temporarily removing such deleterious component from the stream so as ...