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Class 252/182.34 - Reactant contains nitrogen


Subclass of Class 252 - Compositions
Definition: Subject matter wherein the inorganic reactant contains nitrogen,
No. of patents: 33
Last issue date: 10/28/2008


NumberTitleIssue Date
7442325Stabilized crosslinking composition
This invention relates to a crosslinking composition comprising an organic acid and a compound having the structure of Formula I: A′-NRA—RD wherein A′, RA, and RD are defi...
10/28/2008
7390430Curable liquid compositions containing bisoxazoline
Difunctional oxazoline resins, which may be produced in a convenient one-step reaction from an arylalkylene dinitrile by reaction with an amino alcohol, are used in compositions with an additional curable compound or resin containing one or more carbon to carbon dou...
06/24/2008
7381347Crosslinking composition
This invention relates to a crosslinking composition comprising a compound having the structure of Formula I: A′-NRA—RD where A′ is a moiety derived from the group consisting of linear or cyclic ureas, cyanuric acid, s...
06/03/2008
7316788Materials for storage and release of hydrogen and methods for preparing and using same
The invention relates to materials for storing and releasing hydrogen and methods for preparing and using same. The materials exhibit fast release rates at low release temperatures and are suitable as fuel and/or hydrogen sources for a variety of applications such a...
01/08/2008
7314579Hydrogen generation material
The dispersion of metal-element containing additives with hydrogen storage particles of the family of hydrogen-rich materials, M′xM″yNzHd as specified herein, markedly lowers the temperature at which hydrogen is remove...
01/01/2008
6994800Liquid precursors for formation of materials containing alkali metals
Volatile liquid precursors are provided for use in the formation of alkali metal-containing materials. The compound includes an alkali metal and an amide ligand and is a liquid at a temperature of less than about 70° C. ...
02/07/2006
6953535Initiator system for acid dental formulations
The invention relates to a redox initiator system which allows dental formulations to be cured in acidic medium by way of a free-radical polymerization and which ensures a high level of adhesion of the polymerizing composition to the hard substances of the teeth, na...
10/11/2005
6723797Crosslinking agent for water-absorbing resin and water-absorbing material obtained with the same
A crosslinking agent for water-absorbing resins which comprises (A) at least one halohydrin compound selected between (A1) a first halohydrin compound having per molecule at least two halohydrin groups (D) represented by the general formula (I), wherein R1
04/20/2004
6723255Compositions for shortstopping free radical emulsion polymerizations and stabilizing latices made therefrom
Disclosed are compositions for shortstopping free radical emulsion polymerizations and stabilizing polymers produced from the corresponding emulsion processes. Such compositions include at least one hydrophillic radical scavenger (i.e, shortstopper) and at least one...
04/20/2004
6695975Liquid formulation
The invention provides a suspo-emulsion formulation comprising defined first and second compatible components, the first component acting primarily as an oil emulsifier and secondarily as a particle dispersant, and the second component acting primarily as...
02/24/2004
6673266Fire-retardant petroleum composition
A cellulose-based fire retardant composition is made by (1) adding cellulose to water, thereby forming a solution; (2) adding liquid ammonia to the solution; and (3) subsequently adding solid diammonium phosphate to the solution, thereby forming a viscous...
01/06/2004
6599952Polyether polyols with increased functionality
This invention relates to a process for the preparation an epoxide-reactive compound having a functionality of at least 3, a molecular weight of from about 250 to about 1,900, and an OH number of from about 85 to about 1,400. This process comprises reacti...
07/29/2003
6593145Density gradient solutions of metal ion chelate complexes
Methods of forming a density gradient by applying a centrifugal field to a solution of one or more metal ion chelate complexes are disclosed. The density gradients are self-forming equilibrium gradients and are useful for separating biological particles b...
07/15/2003
6548564Polyether polyols with increased functionality
This invention relates to a process for the preparation of a polyether polyol having a functionality of at least about 3, a molecular weight of from about 560 to about 35,000 and an OH number of from about 10 to about 1,100. This process comprises reactin...
04/15/2003
6436311Sampling material for a carbonyl compound in a gas
A sampling material for a carbonyl compound in a gas comprising a reagent capable of converting a carbonyl compound to a derivative thereof supported on a cation exchanger; and a sampling cartridge for a carbonyl compound in a gas wherein a sampling mater...
08/20/2002
6303810Process for manufacturing bis-silyl ureas
The invention relates to a process for manufacturing bis-silyl ureas which consists in reacting urea and a disilazane in an aliphatic nitrile and most particularly in acetonitrile. The process of the present invention applies particularly to the manufactu...
10/16/2001
5910270Viscosity reduction of organomagnesium solutions
Hydrocarbon solutions of a dialkylmagnesium compound having reduced viscosity contain: (a) a hydrocarbon solvent; (b) a dialkylmagnesium compound normally soluble in hydrocarbon solvents; and (c) an effective viscosity reducing amount of a compound select...
06/08/1999
5731399Di- and polyamino compounds for use in the preparation of polyurethanes
Compounds are disclosed which correspond to general formula (I) ##STR1## wherein: R and R' each independently represent an alkyl chain of 1 to 10 carbon atoms, which may be branched, and which may be partially or fully fluorinated; n and n' each inde...
03/24/1998
5679765Polyether having heterofunctional groups at both ends, process for the preparation thereof and polymerization initiator therefor
The present invention relates to a bifunctional polyether having groups different from each other at both ends, with a polymerization degree of 5 to 10000 and consisting of repeating units each represented by the following formula (I): ##STR1## ...
10/21/1997
5578656Methods of preparing polymeric foams using cyclic urea blowing promoters
A method for the preparation of cellular polymeric products which comprises reacting an organic polyisocyanate with an isocyanate-reactive composition, characterised in that the isocyanate-reactive composition comprises a blowing promoter which is a cycli...
11/26/1996
5446179Process for the preparation of micronutrient blends
Metal complexes having high bulk density and a process for the production of the same without the generation of heavy metal-contaminated effluents are disclosed. Solid complexes of EDTANaFe and EDTAKFe having high bulk densities are formed by reaction wit...
08/29/1995
5428090Polycarbonate polymer derived from dihydroxy compound having triphenylamine structure and process for producing the same
A polycarbonate derived from a novel dihydroxy compound having a triphenylamine structure, and a process for producing the polycarbonate are disclosed. The polycarbonate is obtained by reacting a dihydroxy compound having a triphenylamine structure descri...
06/27/1995
5415803Concentrated bromine solutions
A novel composition of matter comprises a stable solution of elemental bromine and urea in water....
05/16/1995
5405886System for the production of toluene diisocyanate based flexible foams and the flexible foams produced therefrom
The present invention is directed to an isocyanate reactive mixture and the flexible polyurethane foam produced therefrom. The reactive mixture contains specific filled polyols, water, a catalyst for the reaction between an isocyanate group and a hydroxyl...
04/11/1995
5274151Process for the preparation of solid iron (III) complexes
Fe(III) complexes having high bulk density and a process for the production of the same without the generation of heavy metal-contaminated effluents are disclosed. Solid complexes of EDTANaFe and EDTAKFe having high bulk densities are formed by reaction w...
12/28/1993
5246975Blowing agents
Blowing agent compositions for use in the production of peroxide cross-linked polyethylene foams. The improved properties and a process for the production of such foams are described....
09/21/1993
5230875Poly(dichlorophosphazenes)/poly(organophosphazenes) having regulated molecular weights
The molecular weights of the poly(dichlorophosphazenes), and of the poly(organophosphazenes) produced therefrom, are controlledly regulated by heating such poly(dichlorophosphazenes) in the presence of an effective molecular weight-regulating amount of ph...
07/27/1993
5198146Homogeneous accelerator system for epoxy resins
The present invention provides a homogeneous accelerator system, having improved efficacy for curing epoxy resins, which comprises (A) an inorganic salt which contains a nitrate ion, (B) an aliphatic hydroxy compound selected from monohydric alcohols cont...
03/30/1993
5160445Borate cross-linking solutions
A cross-linking system using boron alpha-hydroxy carboxylic acid salts is shown for use in a water based well treating fluid. The cross-linker will gel the water based fluid usually after a delay at a relatively neutral pH. The cross-linker is provided as...
11/03/1992
5098597Continuous process for the production of azide salts
The present invention relates to a continuous process for making an alkali metal azide or an alkaline earth metal azide which comprises the steps of: (a) reacting a first reaction mixture comprising an alkali metal nitrite or alkaline earth metal nitrite,...
03/24/1992
4800222Accelerator for curing epoxy resins comprising piperazine, triethanolamine and tris(dimethylaminomethyl)phenol
A composition for accelerating the amine cure of epoxy resins is disclosed. The accelerating composition comprises: piperazine, tris(dimethylaminomethyl)phenol and triethanolamine. The accelerator combination is synergistic for accelerating the curing of ...
01/24/1989
4795586Method and composition for utilizing lime-urea hydrates to simultaneously reduce NOx and SOx in combustion effluents
Methods and compositions are provided for simultaneous reduction of NOx and SOx in combustion effluents and process gas streams, exmploying a sorbent material of calcium or dolomitic lime hydrated with aqueous carboxamides, optionall...
01/03/1989
4392978Selective aromatic nitration
A method and reagent for the selective nitration of aromatic hydrocarbons which comprises contacting a complex of at least a catalytic amount of a polyether with a nitronium containing substance, e.g., NO2 BF4 with an aromatic hydroc...
07/12/1983
 
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