Hongxin Tang: Surfactant method for improved oil recovery from fractured reservoirs. ChemEOR, John S Reid, September 1, 2009: US07581594 (25 worldwide citation)

A method to enhance oil recovery from a fractured carbonate reservoir, the reservoir being accessible via a production well. The method includes injecting a surfactant solution including surfactants into the production well, and injecting a second well treatment process into the production well. The ...

Ulrich Heubner, Michael Kohler, Manfred Rockel, Ernst Wallis: Corrosion resistant hot and cold forming parts of Ni-Cr-Mo alloy and method of making same. VDM Nickel Technologie Aktiengesellschaft, Herbert Dubno, March 6, 1990: US04906437 (25 worldwide citation)

For use in making components which are required to have a very high resistance to uniform corrosion and against pitting and crevice corrosion under very highly corrosive conditions encountered in up to date chemical process technology and environmental protection technology, for instance, in flue ga ...

Ronald E Myers: Electrically conductive pyrrole polymers. The B F Goodrich Company, Alfred D Lobo, Nestor W Shust, April 18, 1995: US05407699 (24 worldwide citation)

A process is provided for forming an electrically conductive polymer of a pyrrole monomer, optionally substituted at the 3- and 4- positions. The process comprises dispersing a polymerization initiator selected from the group consisting of anhydrous halides of iron, cobalt or nickel (Group VIII meta ...

Jeffrey J Spiegelman, Peter K Shogren: Method for recovery and reuse of gas. Aeronex, Brown Martin Haller & McClain, July 18, 2000: US06089282 (24 worldwide citation)

A gas recovery and reuse/recycle method is disclosed which can readily and economically recover valuable and/or environmentally hazardous gases from a manufacturing or chemical process and then return the gas to the process for reuse, and repeat this many times without significant contamination or d ...

Niels T Baden, Ernst J Jensen, Jorgen G Larsen: Method of carrying out heterogeneous catalytic chemical processes. Haldor Topsoe, Ostrolenk Faber Gerb & Soffen, January 15, 1991: US04985230 (24 worldwide citation)

A catalytic chemical process is carried out non-adiabatically using as a catalyst a body with two sets of channels throughout the body. One set of channels leads the process fluid towards one of two parallel walls of the catalyst chamber, the other set towards the outer wall, In slits between walls ...

Ruth D Kreichauf: Method of providing safe haven within buildings during chemical or biological attack. Honeywell International, John G Shudy Jr, August 6, 2002: US06428680 (24 worldwide citation)

A room in a building serving as a safe haven for human inhabitants against harmful agent attack such as chemical or biological weapon attack. The room provides an environment sealed from air-carried harmful agents wherein the sealing can be accomplished by blocking air ducts and air leakage around d ...

Wayne L Breidford, Christy A Lancaster, Jon W Hayenga, Ronald L Bardell, Jeffrey F Tonn, Bernhard H Weigl: System and method for heating, cooling and heat cycling on microfluidic device. Micronics, Seed IP Law Group PLLC, January 19, 2010: US07648835 (23 worldwide citation)

An integrated heat exchange system on a microfluidic card. According to one aspect of the invention, the portable microfluidic card has a heating, cooling and heat cycling system on-board such that the card can be used portably. The microfluidic card includes one or more reservoirs containing exothe ...

Jonathan P Earhart, John A Kostecki, Adrian C McNutt: Process for removing alkali metal aluminum silicate scale deposits from surfaces of chemical process equipment. Stauffer Chemical Company, Joel G Ackerman, December 15, 1987: US04713119 (23 worldwide citation)

Alkali metal aluminum silicate scale deposits are removed from surfaces of chemical processing equipment by alternating treatments with acidic and basic solutions, with optional rinsing of the equipment between treatments.

Frank E Lamb: Process for recovery of metal values from lead-zinc ores, even those having a high carbonate content. Duval Corporation, Millen & White, June 9, 1981: US04272341 (23 worldwide citation)

A chemical, electro-chemical process for recovering meta values from a zinc- or lead-containing material comprises:

Richard P Hauser, Bruce C Taylor, John Harris, Joe Schirra, Frank Rukovens: Mass transfer device. Norton Chemical Process Products Corporation, David Bennett, June 15, 1999: US05911922 (23 worldwide citation)

A mass transfer device is provided in the form of a tray having moveable valves which includes perforations spanned by bridge members shaped to divert liquid flowing in the design flow direction around the perforation such that gas rising through the perforation causes the valve to open and then enc ...