Compositions: ceramic inventions 10/09

20090247385 - Frit: P

20090247388 - Fluorophosphate glass, glass material for press molding, optical element blank, optical element and methods of manufacturing the same: The present invention provides a fluorophosphate glass containing phosphorus, oxygen and fluorine as glass ingredients, in which, provided that a refractive index nd of the glass is nd(1) and a refractive index nd after re-melting the glass at 900° C. for 1 hour in a nitrogen atmosphere, cooling the glass... Agent: Sughrue-265550

20090247386 - Fluorophosphate glass, precision press molding preform, optical element blank, optical element and method of manufacturing the same: The present invention provides a fluorophosphate glass containing more than 3 cationic % and 30 cationic % or less of a phosphorus ingredient in terms of P5+, the glass having a ratio I(1)/I(0) of equal to or less than 0.08 in which I(0) is a strength of a resonance peak... Agent: Sughrue-265550

20090247387 - Fluorophosphate glass, precision press molding preform, optical element blank, optical element and methods of manufacturing the same: The present invention provides a fluorophosphate glass containing 30 to 50 cationic % of a phosphorus ingredient in terms of P5+, the glass having, in a nuclear magnetic resonance spectrum, a resonance spectrum which is generated near a reference frequency of 31P and has a shape of Gaussian function. The... Agent: Sughrue-265550

20090247389 - Method for manufacturing cordierite ceramics: There is provided a method for manufacturing cordierite ceramics by forming and heating a cordierite-forming raw material containing α-alumina. A degree of orientation [expressed by (I006/(I300+I006) where Ihkl is height of X-ray diffraction intensity of a hkl face of an α-alumina crystal] by X-ray diffraction measurement of an α-alumina crystal... Agent: Burr & Brown

20090247390 - Zro2-al2o3 composite ceramic material and production method therefor: A ZrO2—Al2O3 composite ceramic material having excellent wear resistance, hardness, strength and toughness is provided. This ceramic material comprises a ZrO2 phase composed of 90 vol % or more of tetragonal ZrO2, and containing 10 to 12 mol % of CeO2 as a stabilizer, and an Al2O3 phase. An amount... Agent: Cheng Law Group, Pllc