Christopher P Moore, Jean C Robert, Robert G Blue, George Stewart: Optical chemical sensor. Eastman Kodak Company, John R Everett, June 30, 1998: US05774603 (11 worldwide citation)

An optical chemical sensor comprises an optical waveguide having a light transmitting substrate and a coating of an environmentally sensitive compound in a Zr/Si sol-gel glass binder on the substrate. The sensor is suitable for use in high pH environments. The environmentally sensitive compound may ...


Jean C Robert: Method for preparing particles of metal oxide (tin oxide). Eastman Kodak Company, Alfred P Lorenzo, February 27, 1996: US05494652 (5 worldwide citation)

A fine metal oxide powder is prepared by a method comprising the steps of (1) preparing a hydroxide precursor of a metal oxide, (2) mixing the precursor with an inorganic compound having a melting point lower than the crystallization temperature of the metal oxide, and (3) subjecting the resulting m ...