Porob
Digamber Porob, Moira IN
Patent application number | Description | Published |
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20100086846 | SEALING GLASS COMPOSITION AND ARTICLE - A sealing glass composition includes from about 10 molar percent to about 30 molar percent barium oxide, from about 15 molar percent to about 30 molar percent aluminum oxide, from about 40 molar percent to about 60 molar percent boron oxide and from about 1 molar percent to about 20 molar percent yttrium oxide. Methods for preparing the sealing glass and a sodium battery cell are also provided. | 04-08-2010 |
20100120602 | SEALING GLASS COMPOSITION, METHOD AND ARTICLE - A sealing glass for an energy storage device is provided. The sealing glass includes silicon dioxide, boron oxide, aluminum oxide, sodium oxide and zirconium oxide. Methods for preparing the sealing glass and the energy storage device incorporating the sealing glass are also provided. | 05-13-2010 |
Digamber G. Porob, Goa IN
Patent application number | Description | Published |
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20080296596 | NOVEL GREEN EMITTING PHOSPHORS AND BLENDS THEREOF - Phosphor compositions, blends thereof and light emitting devices including white light emitting LED based devices, and backlights, based on such phosphor compositions. The devices include a light source and a phosphor material as described. Also disclosed are phosphor blends including such a phosphor and devices made therefrom. | 12-04-2008 |
Digamber Gurudas Porob, Bangalore IN
Patent application number | Description | Published |
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20110206580 | RARE EARTH RECOVERY FROM FLUORESCENT MATERIAL AND ASSOCIATED METHOD - A method of recovering a rare earth constituent from a phosphor is presented. The method can include a number of steps (a) to (d). In step (a), the phosphor is fired with an alkali material under conditions sufficient to decompose the phosphor into a mixture of oxides. A residue containing rare earth oxides is extracted from the mixture in step (b). In step (c), the residue is treated to obtain a solution, which comprises rare earth constituents in salt form. Rare earth constituents are separated from the solution in step (d). | 08-25-2011 |
20110223475 | SEAL STRUCTURE AND ASSOCIATED METHOD - A seal structure is provided for an energy storage device. The seal structure includes a sealing glass joining an ion-conducting first ceramic to an electrically insulating second ceramic, wherein the ion-conducting first ceramic has an anode surface defining an anode compartment and a cathode surface defining a cathode compartment, wherein the sealing glass has an exposed portion, wherein the exposed portion is open to one or more of the anode compartment and the cathode compartment, wherein the exposed portion of the sealing glass is coated with a coating composition comprising one or more of boria, alumina, titania, zirconia, yttria, and ceria. Methods for forming the seal structure and article made therefrom are also provided. | 09-15-2011 |
20110255265 | PHOSPHOR MATERIALS AND RELATED DEVICES - A phosphor material is presented that includes a blend of a first phosphor, a second phosphor and a third phosphor. The first phosphor includes a composition having a general formula of ((Sr | 10-20-2011 |
20110311823 | CORE SHELL PHOSPHOR AND METHOD OF MAKING THE SAME - A method of making a core-shell phosphor is provided. The method comprises mixing a lanthanum phosphate (LaPO | 12-22-2011 |
20120019126 | OXYNITRIDE PHOSPHORS, METHOD OF PREPARATION, AND LIGHT EMITTING INSTRUMENT - An oxynitride phosphor is presented. The oxynitride phosphor has a formula: ApBqOrNs: R such that A is barium or a combination of barium with at least one of Li, Na, K, Y, Sc, Be, Mg, Ca, Sr, Ba, Zn, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, and Lu; B is silicon or a combination of silicon with at least one of Al, B, Ga, and Ge; R is europium or a combination of europium with at least one of Ce, Pr, Sm, Nd, Tb, Dy, Yb, Tm, Er, Ho, and Mn. p, q, r, s are numbers such that p is greater than about 2 and less than about 6, q is greater than about 8 and less than about 10, r is greater than about 0.1 and less than about 6, and s is greater than about 10 and less than about 15. The method of preparing the oxynitride phosphors and light emitting apparatus including the oxynitride phosphors are included. | 01-26-2012 |
20140178569 | METHOD FOR MAKING RARE EARTH OXIDE COATED PHOSPHOR - A method for making coated zinc silicate phosphor, the method includes the steps of combining a zinc silicate with a rare earth compound under aqueous conditions and removing the water from a product of the combination to form a powder. The powder is fired to form a coated zinc silicate phosphor. | 06-26-2014 |
20140231857 | PHOSPHOR MATERIALS AND RELATED DEVICES - A phosphor material is presented that includes a blend of a first phosphor, a second phosphor and a third phosphor. The first phosphor includes a composition having a general formula of RE | 08-21-2014 |