Class 252/181.4 - Containing magnesium, alkali-metal and alkaline-earth metal, or compound thereof

Subclass of Class 252 - Compositions
Definition: Materials which contain magnesium, an alkali metal or an
No. of patents: 29
Last issue date: 11/30/2010

Number	Title	Issue Date
7842194	Dispensing system for alkali metals capable of releasing a high quantity of metals A dispensing system is provided for alkali metals, that allows increasing the quantity of alkali metal that can be dispensed, as well as the time during which the system can be used with properties of metal vapors release which are constant over time. The system inc...	11/30/2010
7081225	Methods and apparatus for disinfecting and sterilizing fluid using ultraviolet radiation An apparatus for sterilizing or disinfecting fluids, which comprises a fluid conduit, an ultraviolet light source, which is at least partially within the fluid conduit, and an air drive unit coupled to the fluid conduit. The ultraviolet light source generates an ult...	07/25/2006
7052628	Transition metal carboxylates as catalysts for oxygen scavenging Disclosed herein are oxygen scavenging compositions and packaging articles that comprise (a) a metal catalyzed oxidizable compound and (b) at least one of a transition metal carboxylate, wherein the transition metal carboxylate comprises at least one carboxylate gro...	05/30/2006
6583559	Getter device employing calcium evaporation A getter comprising a calcium-aluminum compound including about 39% to about 43% calcium by weight produces a calcium vapor when sufficiently heated. The calcium vapor can condense to form a calcium film on an inside surface of a sealed evacuated enclosur...	06/24/2003
6426314	Hydrogen scavengers There has been invented a codeposition process for fabricating hydrogen scavengers. First, a π-bonded allylic organometallic complex is prepared by reacting an allylic transition metal halide with an organic ligand complexed with an alkali metal; and the...	07/30/2002
6139768	Nitrogenated evaporable getter devices with high fritting resistance and process for their production Nitrogenated evaporable getter devices are disclosed which are resistant to the fritting conditions of the production processes of kinescopes for times of about five hours. A process is also disclosed for the production of these devices. The nitrogenated ...	10/31/2000
5649430	Insulating foam of low thermal conductivity and method of preparation Insulating foam for refrigerators and the like is prepared by blowing in the presence of carbon dioxide as the sole or principal blowing agent. The thermal conductivity of the foam is decreased by sealing said foam in a gas-impervious enclosure with at le...	07/22/1997
5434472	High-pressure sodium discharge lamp with getter The invention relates to a high-pressure sodium discharge lamp provided with a discharge vessel (3) with a ceramic wall (3a) of aluminum oxide in which at least Na as an ionizable filling component, a rare gas and Al (20) are present. According to the inv...	07/18/1995
5385689	Process and composition for purifying semiconductor process gases to remove Lewis acid and oxidant impurities therefrom Scavenger compositions useful for purifying process gas streams, such as process gas streams, such as hydrogen, nitrogen, noble gases, diborane, and hydride gases from Groups IVA-VIA of the Periodic Table, such as arsine, phosphine, silane, germane, hydro...	01/31/1995
5312606	Process for the sorption of residual gas by means of a non-evaporated barium getter alloy The process of the present invention provides for the sorption of unwanted gas in a vessel by means of a non-evaporated barium getter. It comprises the steps of reducing an alloy of Ba1-x Ax Li4-y By to a partic...	05/17/1994
5312607	Process for the sorption of residual gas by means by a non-evaporated barium getter alloy The process of the present invention provides for the sorption of residual gas in a vessel by means of a non-activated, non-evaporated barium getter. It comprises the steps of reducing an alloy of Baz +(Ba1-x Ax)n	05/17/1994
5180554	Method of detecting the presence of moisture in a gas A method of cleaning atmosphere gas used in manufacturing high-purity fine particles of reactive metals comprises the steps of: letting the moisture existing in the atmosphere gas condense into dew droplets using a cryogenic cooling medium; removing the m...	01/19/1993
4942048	Process for preserving food and deoxygenating composition A process for preserving food which comprises packing the food in a hermetically sealed container together with: (a) a deoxygenating material; and (b) at least one compound having amino group(s) selected from among a basic anion exchange resin optionally subst...	07/17/1990
4924146	Unsaturated high-pressure sodium lamp The invention relates to an unsaturated high-pressure sodium lamp provided with a discharge vessel enclosing a discharge space, having a ceramic wall and closed at both ends by a leadthrough element to which an electrode is secured, and at least one elect...	05/08/1990
4768081	Process for encapsulating microelectronic circuits with organic components Special absorbers or getters are incorporated in hermetically sealed electronic circuits with organic components, for example, with parylene passivations, silver conductive adhesives, and sealing materials. The getter material, preferably BaAl4...	08/30/1988
4717500	Getter device for frit sealed picture tubes Getter device containing a barium-aluminum alloy powder and a boron-containing, and chromium-containing nickel base alloy powder....	01/05/1988
4512960	Method of gas purification and system therefor A method and device for conducting gettering. The gettering is conducted with one of an LiB, LiSi or LiAl system. Preferably the LiB system is of the formula Lix B1-x wherein 0	04/23/1985
4406972	Gettering device for color television display tube A method of manufacturing a color television display tube, the envelope of which comprises a conical portion (11) and a window portion (12) which are sealed together in a vacuum-tight manner by means of a sealing glass (18). Before these portions are seal...	09/27/1983
4380501	Gas scavenger agents for containers of solid chloroisocyanurates Chlorine-containing gases which may be formed in containers of solid chloroisocyanurates such as trichloroisocyanuric are adsorbed and decomposed by a gas scavenging agent consisting essentially of an alkaline earth metal sulfate, an alkali metal bicarbon...	04/19/1983
4342662	Getter device A getter device is disclosed in which at least on the exposed surface of a getter material filled in a metal getter container and containing a barium-aluminum alloy powder and a nickel powder is formed a gas-impermeable film of a boron compound or a mixtu...	08/03/1982
4203787	Pelletizable, rapid and cool burning solid nitrogen gas generant Mixtures of alkali metal azides, metal and metalloid oxides, molybdenum disulfide and optionally sulfur are easily pressed into pellets, are rapid, stable and cool burners and give high purity cool nitrogen gas. The compositions are useful in applications...	05/20/1980
4146497	Supported getter This invention relates to a supported getter device comprising a metallic support structure consisting of a three-dimensional network defining a multiplicity of inter-connecting free cells and a particulate getter material substantially filling at least s...	03/27/1979
4127361	Air-bakeable water-proof getter device and method of manufacturing same A getter device with an organosilane coating....	11/28/1978
4092263	Metal vapor generator A metal vapor generator comprises a slug prepared from: a mixture of titanium powders, boron powders, and certain other metal powders selected from a group consisting of: alkali metals (Na, K, Cs), alkali earths (Ba, Ca), groups (IVA (Sn, Ge, Si), aluminu...	05/30/1978
4077899	Gettering device of manufacturing a color television display tube while using said gettering device, and color television display tube thus manufactured The chemical resistance of a gettering device comprising a mixture of barium-aluminium powder and nickel powder compressed in a metal holder is considerably increased by using nickel powder having a specific surface smaller than 0.15 m2 per gra...	03/07/1978
4073665	Microwatt thermoelectric generator A microwatt thermoelectric generator suitable for implanting in the body. The disclosed generator utilizes a nuclear energy source. Provision is made for temporary electrical connection to the generator for testing purposes, and for ensuring that the heat...	02/14/1978
4045367	Getter for use in the manufacture of an electric discharge tube A getter for use in manufacturing an electric discharge tube contains a mixture of barium aluminum (BaAl4) and a titanium-containing material which contains for at least 50% by weight of FeTi or NiTi2 or of a mixture thereof....	08/30/1977
3977813	Novel getter and process Process for activating a getter composed of a porous barium pellet comprising maintaining a barium pellet in an inert atmosphere, placing the pellet in an enclosed chamber, evacuating the chamber and heating the evacuated chamber containing the pellet to ...	08/31/1976
3973816	Method of gettering a television display tube A method of absorbing residual gases in a television display tube wherein a holder containing a barium-aluminum alloy, germanium nitride (Ge3 N4) and a nickel containing material is placed in the tube and heated to release the nitrog...	08/10/1976

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Class 252/181.4 - Containing magnesium, alkali-metal and alkaline-earth metal, or compound thereof