U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Radio has no future."

Lord Kelvin, British mathematician and physicist ; 1897

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 423/302 - Nitrogen containing


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Products or processes wherein the product contains nitrogen.
No. of patents: 53
Last issue date: 11/02/2010


1    
NumberTitleIssue Date
7824641Periodic mesoporous phosphorus-nitrogen compounds
Provided herein is a new material, periodic mesoporous phosphorus-nitrogen compound, which may be used in a variety of emerging technologies. Its surface properties render it promising as a component in a variety of applications, including gas separation and purific...
11/02/2010
7537745Process for producing cyclohexanone oxime by mixing an acidic aqueous solution comprising hydroxylammonium and phosphate with nitric acid
The invention relates to a process for mixing a first acidic aqueous solution comprising hydroxylammonium and phosphate with a second acidic aqueous solution comprising nitric acid at a temperature between 20 and 80° C. resulting in a third acidic aqueous solution ...
05/26/2009
7378194Materials useful as electrolytic solutes
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FX
05/27/2008
7090817Process for the preparation of hydroxylammonium
The invention relates to a process for the preparation of hydroxylammonium, said process comprising the steps of: a) feeding gaseous hydrogen to a reaction mixture, said reaction mixture comprising an aqueous reaction medium and a gaseous phase; ...
08/15/2006
6914030Synthesis of silicoaluminophosphates
The invention is directed to a method of synthesizing silicoaluminophosphate molecular sieves using synthesis templates that contain at least one dimethylamino moiety, selected from one or more of N,N-dimethylethanolamine, N,N-dimethylpropanolamine, N,N-dimethylbuta...
07/05/2005
6831140Static measurement and detection in a gas phase polyethylene reactor
The invention relates to a method for evaluating the condition of a fluidized bed reactor by examining the condition of the reactor wall. Specifically, the invention relates to a method for measuring static in the reactor using a static probe that is located at the ...
12/14/2004
6680278Synthesis of silicoaluminophosphates
The invention is directed to a method of synthesising silicoaluminophosphate molecular sieves using synthesis templates that contain at least one dimethylamino moiety. The use of dimethylamino moiety containing templates results in good quality SAPO molec...
01/20/2004
6608046ଲ-lactamase and DD-peptidase inhibitors
The invention provides novel ଲ-lactamase inhibitors, which are structurally unrelated to the natural product and semi-synthetic ଲ-lactamase inhibitors presently available, and which do not possess ଲ-lactam pharmacophore. These new inhibi...
08/19/2003
6599889Acyl phosphonate inhibitors of ଲ-lactamases
The invention provides novel ଲ-lactamase inhibitors, which are structurally unrelated to the natural product and semi-synthetic ଲ-lactamase inhibitors presently available, and which do not possess a ଲ-lactam pharmacophore. These new inhi...
07/29/2003
6365301Materials useful as electrolytic solutes
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide su...
04/02/2002
6019955Active nickel hydroxide material having controlled water content
An nickel hydroxide positive electrode active material which can be made by an ultrasonic precipitation method. The nickel hydroxide active material is characterized by the composition: ##EQU1## where x, the number of water ligands surrounding each N...
02/01/2000
5945082Cyanophosphorus compounds and their preparation
Novel cyanophosphorus compounds are disclosed. The preparation, purification, and characterization of dicyanophosphinate, cyanopolyphosphates, tricyanocyclotriphosphonate and tetracyanocyclotetraphosphate are presented....
08/31/1999
5935542Cyanphosphonate derivatives and method for their preparation
The novel cyanophosphonate compounds of the present invention include cyanophosphonate salts, cyanophosphonate monoacid salts, cyanophosphonate monoacid esters, cyanophosphonate monoester salts and cyanophosphonate methylester salts....
08/10/1999
5905163Method for preparing aminomethylphosphonate derivatives via hydrogenation of cyanophosphonate derivatives
A novel process for preparing aminomethylphosphonate derivatives involves the hydrogenation of cyanophosphonate derivatives in the presence of a catalyst to produce aminomethylphosphonate derivatives....
05/18/1999
5861525Method for preparing cyanophosphonate derivatives from phosphate esters and cyanide
A process for preparing cyanophosphonate derivatives involves contacting a phosphate ester and cyanide in a reaction mixture under conditions sufficient to produce a cyanophosphonate derivative. That cyanophosphonate derivative product can subsequently be...
01/19/1999
5858317Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide
A process for preparing cyanophosphonate derivatives involves contacting phosphoric anhydride (P4 O10) and a cyanide, preferably in the presence of a Lewis base, in a reaction mixture under sufficient conditions to produce a cyanopho...
01/12/1999
5859278Method for preparing cyanophosphonate derivatives from pyrophosphate or polyphosphate esters and cyanide
A process for preparing cyanophosphonate derivatives involves contacting a pyrophosphate ester or a polyphosphate ester and cyanide in a reaction mixture under conditions sufficient to produce the cyanophosphonate derivative. The cyanophosphonate derivati...
01/12/1999
5855809Electrochemically stable electrolytes
This invention relates generally to inorganic ionic liquids which function as electrolytes and do not crystallize at ambient temperature. More specifically, this invention is directed to quasi-salt inorganic ionic liquids which comprise the reaction produ...
01/05/1999
5824433High conductivity electrolyte solutions and rechargeable cells incorporating such solutions
This invention relates generally to electrolyte solvents for use in liquid or rubbery polymer electrolyte solutions as are used, for example, in electrochemical devices. More specifically, this invention relates to sulfonyl/phospho-compound electrolyte so...
10/20/1998
5763652Process for producing a carboxylic acid
A nitrile compound or an amide compound is hydrolyzed in the presence of an inorganic acid or other acidic catalyst or an alkali metal hydroxide or other basic catalyst, and the by-produced ammonium salt of the acidic catalyst or the produced salt of a ca...
06/09/1998
5456894Metal phosphorus nitrogen polymers, metal phosphorus compounds and methods of preparation thereof
The invention provides metal-phosphorus-nitrogen polymer compounds and methods for their preparation at low temperatures using readily available starting materials. One group of compounds, metal-phosphazene polymers, are comprised of repeating units of [P...
10/10/1995
5370853Inorganic microporous solids and a process for their preparation
This invention relates to inorganic microporous solids having a framework structure of AX4 -tetrahedrons linked by their corners, wherein A denotes at least one electropositive element selected from the group consisting of Be, B, Al, Ga, C, Si,...
12/06/1994
5296211Production of Si2-x Px N2+x (NH)1-x, where x=0.1 to 1.0
The present invention relates to a process for the production of low-needle silicon nitride of high ଱-content, wherein an amorphous nitrogen-containing silane compound is mixed with a crystalline or amorphous compound comprising the elements silicon...
03/22/1994
5286469Metal-phosphorus-nitrogen polymers, metal-phosphorus compounds and methods of preparation thereof
The invention provides metal-phosphorus-nitrogen polymer compounds and methods for their preparation at low temperatures using readily available starting materials. One group of compounds, metal-phosphazene polymers, are comprised of repeating units of [P...
02/15/1994
4956163Method of forming amidophosphates in aqueous solutions
A method of forming amidophosphates comprising reacting a pyrophosphate ion, such as generated from pyrophosphate salts, and sulfamides, in an aqueous solution or suspension. An example of such a reaction is the reaction of tetrasodium pyrophosphate and s...
09/11/1990
4902490Essentially pure/colorless P2 NOCl5
Essentially pure and colorless N-(dichlorophosphoryl)trichlorophosphazene [P2 NOCl5 ] is prepared/purified under relatively moderate conditions, by reacting phosphorous pentachloride with ammonium chloride, treating the resulting med...
02/20/1990
4822581Catenated phosphorus materials and their preparation
High phosphorus polyphosphides, namely MPx, where M is an alkali metal (Li, Na, K, Rb, and Cs) or metals mimicking the bonding behavior of an alkali metal, and x=7 to 15 or very much greater than 15 (new forms of phosphorus) are useful semicond...
04/18/1989
4790995Process for sterilizng spices
A process for sterilizing spices, in particular whole spices, by heat treatment in a sealed container at a temperature above 100° C. and coating with an edible material. This provides profound sterilization without loss of aroma and taste....
12/13/1988
4588838Diurea and diguanidine phosphinates and phosphonates
The invention is directed to the electrodeposition of a coating of a phosphorylated amide on a metal such as aluminum and the formation of a chemical bond between the metal and the coating, such amide being in the form of (a) an organic polymer consisting...
05/13/1986
4582932Poly phosphinohydrazides and phosphinohydrazide copolymers
Highly fire resistant composites or laminates particularly applicable as structural components in aircraft, e.g. in the engine nacelle, as part of the acoustic panel-fire wall structure, and capable of withstanding a 2,000° F. flame temperature, comprisi...
04/15/1986
4524052Borate chloride polymerization catalysts
New compositions of matter which are halogenated derivatives of borates are disclosed which are catalytically active in the polymerization of halogenated phosphazene trimers and other oligomers are disclosed....
06/18/1985
4522689Process for purifying phosphonitrile chlorides
A process for completely separating tri(phosphonitrile chloride) from tetra(phosphonitrile chloride) and/or phosphonitrile chloride oligomer which includes vacuum distillation of the phosphonitrile chloride mixture together with an inert mixture of hydroc...
06/11/1985
4490192Stable suspensions of boron, phosphorus, antimony and arsenic dopants
Semiconductor doping compositions comprising a suspension of (a) a dopant material, in the form of finely divided spherical particles of narrow size distribution from about 0.1 D to D, where D is the diameter of the largest particle and is no more than ab...
12/25/1984
4386020Process for the production of thermodynamically stable solid ion conductor materials
The present invention provides a process for the production of solid ion ductor materials (electrolytes) based on lithium or sodium compounds which stand in thermodynamic equilibrium with their alkali metal and have a high decomposition voltage, wherein ...
05/31/1983
4289539Phosphorus-nitrogen-oxygen composition and method for making such composition and applications of the same
A composition is described which comprises amorphous phosphorus-nitrogen-oxygen material having excellent thermal stability and low reactivity to a wide variety of chemicals. The material is manufactured using a chemical vapor deposition process. The reac...
09/15/1981
4279723Polymerization of inorganic element-containing monomers using plasma
An ionized gas plasma is established in an electrical field in contact with a non-vapor volume monomer (liquid and/or solid). The plasma causes polymerization of the monomers which are of the phosphazene or carborane type....
07/21/1981
4276343Active phosphorus nitrides containing hydroxyl and halogen, and process for making them
The invention provides active polymeric phosphorus nitrides containing hydroxyl and halogen. The halogen atoms and hydroxyl groups are linked to phosphorus, and the nitrides contain about 35 to 54 weight % of phosphorus, about 35 to 47 weight % of nitroge...
06/30/1981
4272382Process for separating cyclic phosphazene oligomers
A process for separating cyclic phosphazene oligomers from a mixture containing cyclic phosphazene oligomers and linear phosphazenes by bringing the mixture into contact with a mineral adsorbent composed of mainly silicon and/or aluminum and removing the ...
06/09/1981
4248840Cis-diammineplatinum(II) orthophosphate complexes
Cis-diammineplatinum(II) orthophosphate complexes are prepared by reaction of diaquo-cis-diammineplatinum(II) salts with alkali metal orthophosphates. The resulting complexes possess pronounced anti-tumor activity in mice and low toxicity; consequently, t...
02/03/1981
4208375Mixing system
A mixing device and method of mixing a liquid, vapor, or gas into a slurry of material in a vat in which the liquid, vapor, or gas is introduced into a stream of the slurry passing from the vat through a venturi at the diverging portion of the venturi, an...
06/17/1980
1    
 
Sign InRegister
Username  
Password   
forgot password?