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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US395241130 Sep 197427 Abr 1976Litton Systems, Inc.Multi-wire wiper contact for potentiometers and other electromechanical devices and method for making same
US498155316 Sep 19881 Ene 1991Solvay & Cie (Societe Anonyme)Copper etching bath and method of using
US54548762 Ago 19943 Oct 199521st Century Companies, Inc.Process for reducing lead leachate in brass plumbing components
US653738129 Sep 199925 Mar 2003Lam Research CorporationMethod for cleaning and treating a semiconductor wafer after chemical mechanical polishing
US67805079 Feb 200124 Ago 2004Analytical Research Systems, Inc.Hydrocapsules and method of preparation thereof
US722956916 Jun 200012 Jun 2007LG. Philips LCD Co., Ltd.Etching reagent, and method for manufacturing electronic device substrate and electronic device
US764181022 May 20085 Ene 2010Refrigerant compositions
US771343411 Jul 200811 May 2010E.I. du Pont de Nemours and CompanyRefrigerant compositions
US777161011 Jul 200810 Ago 2010E.I. du Pont de Nemours and CompanyRefrigerant compositions