Class 252/181.3 - Reactive compositions

Subclass of Class 252 - Compositions
Definition: Materials which contain a plurality of substances not in
No. of patents: 26
Last issue date: 09/09/2008

Number	Title	Issue Date
7422701	Oxidation resistant organic hydrogen getters A composition for removing hydrogen from an atmosphere, comprising a mixture of a polyphenyl ether and a hydrogenation catalyst, preferably a precious metal catalyst, and most preferably Pt. This composition is stable in the presence of oxygen, will not polymerize o...	09/09/2008
7350819	Pretensioner A gas generating system (24) is provided including a gas generant container (34) and an initiator (28). The initiator (28) is positioned exterior of the gas generant container (34) so as to enable fluid communication with the conta...	04/01/2008
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
6682791	Packages and methods for differential oxygen scavenging Packages and methods for protecting oxygen-sensitive products from damage or degradation due to oxygen contamination are provided. The packages contain at least two oxygen scavenging materials having different oxygen scavenging properties, arranged so tha...	01/27/2004
6540936	Aldehyde gas absorbent and process for absorbing aldehyde gas An aldehyde gas absorbent comprising: a porous silicon dioxide having a specific surface area of from 400 to 900 m2 /g and an average pore size of from 0.1 to 10 nm; and a polyamine compound carried on the porous silicon dioxide in an amount of...	04/01/2003
6464896	Low migratory photoinitiators for oxygen-scavenging compositions An improved composition and a method of scavenging oxygen using said composition which comprise oxidizable organic compounds, transition metal catalysts in combination with certain photoinitiators is disclosed. The method comprises initiating scavenging b...	10/15/2002
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
6254802	Low migratory photoinitiators for oxygen-scavenging compositions An improved composition and a method of scavenging oxygen using the composition which comprise oxidizable organic compounds, transition metal catalysts in combination with certain photoinitiators is disclosed. The method comprises initiating scavenging by...	07/03/2001
6254946	Oxygen-absorbing component, oxygen absorbent package and oxygen-absorbing multilayered body containing same An oxygen-absorbing composition comprising (a) a powdery or particulate crosslinked polymer containing carbon-carbon unsaturated bonds and having a high heat resistance and being easy to grind due to crosslinked structure, and (b) a catalyst. The oxygen-a...	07/03/2001
5916479	Mercury dispensing device A mercury-dispensing device is disclosed that includes a mercury dispenser having the formula Tix Zry Hgz in which x and y are between 0 and 13, inclusive, the quantity x+y is between 3 and 13, inclusive, and z is 1 or 2; ...	06/29/1999
5876205	Combination of materials for integrated getter and mercury-dispensing devices and the devices so obtained A mercury-dispensing device is disclosed that includes a mercury dispenser comprising an intermetallic compound including mercury and a second metal selected from the group consisting of titanium, zirconium, and mixtures thereof; and a promoter that compr...	03/02/1999
5831385	Mercury dispensing composition containing Cu-Si alloy promoter A mercury dispensing device is disclosed that includes a mercury dispenser having the formula Tix Zry Hgz in which x and y are between 0 and 13, inclusive, the quantity x+y is between 3 and 13, inclusive, and z is 1 or 2; ...	11/03/1998
5804236	Oxygen scavenging container A container composed of a polymer material integrated with an oxygen scavenging agent is disclosed that is suitable for oxygen sensitive contents. The novel container is capable of scavenging excess oxygen from the enclosed atmosphere of the container wit...	09/08/1998
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
5648020	Oxygen scavenging composition for low temperature use Improved compositions for scavenging oxygen are disclosed. These materials, characterized by low degree crystallinity and a glass transition temperature of lower than -15° C., have high oxygen scavenging rates at low temperatures. The composition compris...	07/15/1997
5520560	Combination of materials for mercury-dispensing devices, method of preparation and devices thus obtained A mercury-dispensing combination suitable to release an amount of mercury higher than 60% during the activation step, even after partial oxidation, includes a mercury-dispensing intermetallic compound A with Hg and a second metal selected among Ti, Zr and...	05/28/1996
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
5352424	Aluminum nitride powder having a reduced ammonia odor and a method for preparing the same An aluminum nitride powder that has substantially no ammonia odor after exposure to atmospheric moisture is obtained by admixing the powder with a gettering compound that sublimes or decomposes at a temperature below 500° C. The gettering compound is a C...	10/04/1994
5310497	Oxygen scavenging compositions for low temperature use Improved compositions for scavenging oxygen are disclosed. These materials, characterized by low degree crystallinity and a glass transition temperature of	05/10/1994
4977035	Getter strip A strip getter structure comprising getter powder pressed into and onto an open reticulated network carrier strip. The getter powder particles form an agglomeration with strength derived both from interlocking of said getter particles and from support of ...	12/11/1990
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
4668424	Low temperature reusable hydrogen getter Hydrogen gettering alloys which contain nickel, mischmetal, and zirconium, and may optionally contain one or more of cobalt, copper, iron, aluminum, tin, titanium and silicon, overcome many of the deficiencies of the existing getter technology. These allo...	05/26/1987
4464133	Method of charging a vessel with mercury A mercury-releasing assembly for dosing lamps, tubes, and the like with a charge of mercury, contains a mixture of an intermetallic compound of mercury and a metal. When the mixture is heated to a particular temperature the mixture reacts yielding a molte...	08/07/1984
4100020	Internal fuel pin oxidizer A nuclear fuel pin has positioned within it material which will decompose to release an oxidizing agent which will react with the cladding of the pin and form a protective oxide film on the internal surface of the cladding....	07/11/1978
4065694	Regenerative-cycle incandescent lamp containing SnI₄ additive The quality and useful life of regenerative-cycle type incandescent lamps that employ iodine as the halogen are enhanced by dosing the lamps with a carefully controlled amount of SnI4 which decomposes when the lamp filament is energized and pro...	12/27/1977
4065352	Nuclear fuel element A nuclear fuel element containing a hydrogen getter to prevent a cladding tube from being broken by hydrogen gas, wherein the hydrogen getter is formed of metal material capable of absorbing hydrogen and a metal member permeable to hydrogen and enclosing ...	12/27/1977

PatentStorm

Bizarre Patents

PatentStorm News

Class 252/181.3 - Reactive compositions