http://www.freshpatents.com/Compositions--ceramic-dtnewntc501.php USPTO Class 501 - Compositions: ceramic en-us Wed, 30 Apr 2008 12:36:43 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/Optical-glass-dt20080424ptan20080096752.php Wed, 30 Apr 2008 12:36:43 -0700 Optical glass containing bismuth oxide having good defoamability. The Optical glass contains, as % by mass, from 10 to less than 90% of a Bi2O3 component and at least 0.1% of a TeO2 and/or SeO2 component. The optical glass is on Grade 4 to Grade 1 in “JOGIS12-1994, Method for... http://www.freshpatents.com/Optical-glass-for-precision-molding-having-high-refractive-index-dt20080424ptan20080096753.php Wed, 30 Apr 2008 12:36:43 -0700 An optical glass for precision molding having a high refractive index (nd) and a low yield temperature (At). The optical glass comprises, as glass components in wt %, 64 to 83% of Bi2O3; 4 to 17% of B2O3; 0 to 12% of GeO2 (wherein the total of B2O3 and GeO2... http://www.freshpatents.com/Uv-transmissive-soda-lime-silica-glass-dt20080424ptan20080096754.php Wed, 30 Apr 2008 12:36:43 -0700 In certain example embodiments of this invention, an ultraviolet (UV) transmissive soda-lime-silica glass is provided. In certain example embodiments of this invention, the UV transmissive soda-lime-silica glass may be made via the float process.... http://www.freshpatents.com/Method-of-manufacturing-ceramic-porous-membrane-and-method-of-manufacturing-ceramic-filter-dt20080424ptan20080096751.php Wed, 30 Apr 2008 12:36:43 -0700 There are disclosed a method of manufacturing a thin and uniform ceramic porous membrane formed with less membrane formation times and having less defects, and a method of manufacturing a ceramic filter including the ceramic porous membrane. A UF membrane having an average pore diameter smaller than that of a... http://www.freshpatents.com/Titanium-aluminum-mixed-oxide-powder-dt20080424ptan20080096755.php Wed, 30 Apr 2008 12:36:43 -0700 Titanium-aluminium mixed oxide powder with a proportion of aluminium oxide of less than 1 wt. % or a proportion of titanium dioxide of less than 5 wt. %, wherein the sum of the proportions of titanium dioxide and aluminium oxide is at least 99.7 wt. %. It is produced by... http://www.freshpatents.com/Titania-silica-glass-dt20080424ptan20080096756.php Wed, 30 Apr 2008 12:36:43 -0700 Titania-silica glass is used which has 8 to 10% by weight of titania and 90 to 92% by weight of silica, where a Ti3+ concentration is 10 to 60 ppm by weight. To provide titania-silica glass which is transparent glass of low thermal expansion, in particular, is of a low... http://www.freshpatents.com/Low-thermal-expansion-ceramics-bonding-body-and-manufacturing-method-of-the-same-dt20080424ptan20080096758.php Wed, 30 Apr 2008 12:36:43 -0700 A bonded body obtained by unifying a plurality of structural members exhibiting 0.6*10−6/K or less of absolute value of thermal expansion coefficient in room temperature, 100 GPa or more of modulus of elasticity and 40 GPa·cm3/g or more of specific rigidity, the plurality of structural members having bonding surfaces that...