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Jayendra G Shukla, Ki G Sohn, Carl Twickler, Otto S de Pierne: Fixed ophthalmic lens polishing pad. Ferro Corporation, Shlesinger Fitzsimmons & Shlesinger, March 18, 1986: US04576612 (60 worldwide citation)

A rosette shaped polishing pad includes a tough, flexible substrate, which is coated on one side with a layer of pressure sensitive adhesive for securing the pad to a polishing lap or the like, and on its opposite side with a flexible, water soluble matrix containing polishing particles such as ceri ...


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Terrence R Sliwinski, Richard A Pipoly, Robert P Blonski: Infrared reflective color pigment. Ferro Corporation, Rankin Hill Porter & Clark, January 16, 2001: US06174360 (51 worldwide citation)

The present invention provides new solid solutions having a corundum-hematite crystalline structure which are useful as inorganic color pigments. Solid solutions according to the present invention include a host component having a corundum-hematite crystalline structure which contains as guest compo ...


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Arsalan D Azari: Process for using an extruder die assembly for the production of fiber reinforced thermoplastic pellets, tapes and similar products. Ferro Corporation, Renner Otto Boisselle & Sklar, December 7, 1993: US05268050 (51 worldwide citation)

The invention provides an extruder die assembly for use in the production of fiber reinforced thermoplastic product which overcomes the problem of poor wetting of the fiber filaments. The die assembly also facilitates the production of fiber-reinforced products having high fiber concentration in the ...


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Terrence R Sliwinski, Richard A Pipoly, Robert P Blonski: Infrared reflective color pigment. Ferro Corporation, September 24, 2002: US06454848 (46 worldwide citation)

The present invention provides new solid solutions having a corundum-hematite crystalline structure which are useful as inorganic color pigments. Solid solutions according to the present invention include a host component having a corundum-hematite crystalline structure which contains as guest compo ...


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Qizhuo Zhuo, Ronald M Harris, Dennis C Skovran, Leo F Lightner, Michael S Randall, Vernon E Stygar: Thermally conductive thermoplastic. Ferro Corporation, Rankin Hill Porter & Clark, December 19, 2000: US06162849 (45 worldwide citation)

This invention relates to a thermally conductive moldable polymer blend comprising a thermoplastic polymer having a tensile at yield of at least 10,000 psi; at least 60% by weight of a mixture of boron nitride powders having an average particle size of at least 50 microns; and a coupling agent. The ...


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Pratibhash Chattopadhyay, Boris Y Shekunov, Jeffrey S Seitzinger, Robert W Huff: Particles from supercritical fluid extraction of emulsion. Ferro Corporation, Rankin Hill Porter & Clark, February 14, 2006: US06998051 (43 worldwide citation)

A method of producing microparticles and nanoparticles of a solute via the extraction of solvent, having the solute dissolved therein, from an emulsion using a supercritical fluid. The solute to be precipitated is dissolved in the solvent to form a solution, and the solution is dispersed in an immis ...


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Henry J Barda, Sandra L Gray: Process for the bromination of polystyrenes. Ferro Corporation, Milton L Simmons, October 5, 1982: US04352909 (42 worldwide citation)

There is disclosed a process for producing a tri-halogenated polystyrene flame retardant for synthetic resins, whereby high molecular weight polystyrene is reacted with bromine chloride in a chlorinated hydrocarbon solvent, under substantially anhydrous conditions, in the presence of a catalytic amo ...


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Srinivasan Sridharan, Tack J Whang, Gordon J Roberts: High temperature sealing glass. Ferro Corporation, Rankin Hill Porter & Clark, September 26, 2000: US06124224 (41 worldwide citation)

The present invention provides high temperature sealing glass compositions for use in producing mechanically and chemically durable electrically insulating hermetic glass seals between materials such as zirconia, alumina, fosterite, steatite, carbon steels, stainless steels, and superalloys. High te ...