81
Bipin V Vora, Terry L Marker, Paul T Barger: Enhanced light olefin production. UOP, Thomas K McBride, John G Tolomei, Richard P Silverman, April 11, 2000: US06049017 (65 worldwide citation)

A process is disclosed for enhancing the production of light olefins with a catalytic reaction zone containing small pore zeolitic and non-zeolitic catalysts which can significantly improve the yield of ethylene and propylene in a process for the conversion of light olefins having four carbon atoms ...


82
Ichikawa Yataro, Tokashiki Michiyuki, Ono Tadashi: Apparatus for continuous gas-liquid contact. Teijin, November 2, 1971: US3617033 (65 worldwide citation)

A gas-liquid contacting apparatus including a vertical vessel divided in the vertical direction into at least two sections by at least one tapered partition wall; each of the sections is constructed such that the material contained in one section may be conducted successively to the bottom or lower ...


83
John E Filby: Azeotropic dehydration process for treating bituminous froth. Petro Canada Exploration, William R Hinds, George H Dunsmuir, April 30, 1985: US04514305 (65 worldwide citation)

Bituminous froths, typically obtained from the known Hot Water Method of extraction treatment of oil sands, are processed to remove water and part of the coarse mineral solids contained in the froth. In the process, the froth feed stock from the Hot Water Method treatment is mixed with a naphtha dil ...


84
Meishi Tanaka, Shuji Sugiyama: Method of refining crude oil. Idemitsu Kosan, Frishauf Holtz Goodman Langer & Chick P C, December 22, 1998: US05851381 (64 worldwide citation)

A method of refining crude oil by distillation and desulfurization for the preparation of petroleum products can reduce cost of apparatus and cost of operation and can be operated with better stability by simplified control of operation. In the method, a naphtha fraction is separated from crude oil ...


85
Robert R Rough Sr: Method for rapidly melting and refining glass. Owens Illinois, D T Innis, E J Holler, April 20, 1976: US03951635 (64 worldwide citation)

In accordance with the method and apparatus of this invention, glass-forming materials are subjected to heat and agitation sufficient to form a molten glass having mostly dissolved glass-forming materials, mostly completed chemical reactions between the glass-forming materials and containing a high ...


86
Ralph H J M Otten: Method for generating an optimized nested arrangement of constrained rectangles. International Business Machines Corporation, George E Clark, Thomas P Dowd, November 19, 1985: US04554625 (64 worldwide citation)

The overall arrangement of a number of non-overlapping rectangles with constraints on their size and shape, may be generated with relation to a number of objective functions such as, size and shape of the enveloping rectangle, size of an interconnecting network, and distance between pairs of individ ...


87
Joseph Kennedy, Colleen Esposito: Process and system for quality assurance for software. GE Financial Assurance Holdings, Hunton & Williams, July 29, 2003: US06601017 (64 worldwide citation)

A process and system for quality assurance. The process includes developing a high level quality assurance resource estimate and a high level quality assurance time estimate; producing a business analysis outline; and creating an acceptance test plan using an acceptance test plan template with the b ...


88
Gerald E Kunkle, Wright M Welton, Ronald L Schwenninger: Melting and vacuum refining of glass or the like and composition of sheet. PPG, Dennis G Millman, April 19, 1988: US04738938 (63 worldwide citation)

Method and apparatus are provided for refining glassy material or the like by vacuum. The material is first melted and then introduced into a vacuum chamber, preferably into space above liquid held in the chamber. Other aspects involve a two-step melting process preparatory to the vacuum refining, i ...


89
Bohdan M Zakiewicz: Process for the recovery of hydrocarbons for mineral oil deposits. Hall Myers & Rose, November 5, 1985: US04550779 (63 worldwide citation)

A process is provided for the recovery of hydrocarbons, and especially heavy hydrocarbons, from oil-bearing strata, wherein mining liquids are injected at a bottom level and removed at an upper collecting level together with displaced liquid hydrocarbons, and the mining liquids are separated from th ...


90
Thomas Dolby, Tom Dougherty, John Eichenseer, William Martens, Michael Mills, Joy S Mountford: Interactive music generation system making use of global feature control by non-musicians. Interval Research Corporation, Pennie & Edmonds, September 14, 1999: US05952599 (63 worldwide citation)

An improved music generation system that facilitates artistic expression by non-musician and musician performers in both individual and group performance contexts. Mappings are provided between 1) gestures of a performer as indicated by manipulation of a user input device, 2) displayed motion of a g ...