Class 524/809 - Two or more nitrogen atoms in a single ring

Subclass of Class 524 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein there are two or more nitrogen atoms
No. of patents: 42
Last issue date: 03/25/2008

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Number	Title	Issue Date
7347263	Networked polymeric gels and use of such polymeric gels in hydrocarbon recovery A composition includes water having a salinity of at least 1 ppt, at least one hydrophilic polymer containing primary (—NH2) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of changing the per...	03/25/2008
7276254	Emulsion/aggregation polymeric microspheres for biomedical applications and methods of making same A method of forming polymeric microspheres for biomedical applications includes forming polymeric microspheres by an emulsion/aggregation process from a precursor monomer species, and treating the polymeric microspheres to attach a biomedical functional material to ...	10/02/2007
7201962	Hemocompatible coated polymer and related one-step methods A polymer with a hemocompatible film or coating is manufactured by a one-step method comprising polymerizing monomer droplets comprising at least one crosslinking agent to form a polymer and simultaneously coating the resulting polymer using at least one dispersing ...	04/10/2007
7053127	Quaternized amido cyclic amine surfactant A quaternary surfactant comprising a cyclic diamine group, compositions comprising the quaternized amido cyclic amine surfactant, a gelled aqueous composition comprising the quaternized amido cyclic amine surfactant, use of the gelled aqueous well treatment applicat...	05/30/2006
6566472	Binder formulations based on aqueous polymer dispersions Binder formulations based on aqueous polymer dispersions having a minimum film-forming temperature of below 10° C. and comprising at least one binder polymer P in the form of an aqueous dispersion comprising at least one anionic emulsifier and at least o...	05/20/2003
6300410	Monomers and polymers and latices therefrom There is provided a polymer useful in coating, ink and adhesive compositions. The polymer has monomeric units derived from a monomer having the formula: ##STR1## wherein: R1 is alkylene having about 2 or 3 carbon atoms; R2 is alkylen...	10/09/2001
6251986	Paint resin emulsion having weatherability To provide improved acrylic resin which has weatherability such as the gloss-retaining ability almost as good as that of the fluorine resin or silicone resin while maintaining the advantages of the conventional acrylic resin binder as paint resin such as ...	06/26/2001
5840813	Homopolymerization of acrylate or methacrylate endblocked polydiorganosiloxanes Method for homopolymerization of polyorganosiloxane macromonomers having acryloxy or methacryloxy groups. A miniemulsion of a methacryloxy functional polydimethylsiloxane macromonomer was prepared by mixing the macromonomer with a surfactant(s), and subje...	11/24/1998
5563214	Aqueous compositions containing polymerizable surfactant compounds Aqueous compositions comprised of a major amount of water and a minor amount of a polymerizable compound based on N-acryloyl-piperazine are provided. Such compounds have the formula: ##STR1## wherein: R1, R2, and R3 a...	10/08/1996
5270382	Compositions and applications thereof of water-soluble copolymers comprising an ampholytic imidazolium inner salt Polymer compositions and their applications in hostile environments for oil field operations are disclosed. The compositions contains a polymer which is copolymerized by (a) an ampholytic monomer having the formula of: ##STR1## where one and only one...	12/14/1993
5252321	Biocidal polymers and polymer dispersions, processes for their preparation and their use Preparation of biocidal polymers and copolymers based on free radical-polymerizable and copolymerizable ethylenically unsaturated monomers containing monomer units composed of BCM salts of ethylenically unsaturated carboxylic acids, sulfonic acids or phos...	10/12/1993
5227423	Paints and binders for use therein Wet adhesion, ICI viscosity, and scrub resistance of a paint are improved by incorporating into the paint a binder that comprises a film former and polymeric composition. The polymeric composition comprises either (a) about 15 to about 35 weight percent o...	07/13/1993
5212225	Binder synthesis process Wet adhesion, ICI viscosity, and scrub resistance of a paint are improved by incorporating into the paint a binder that comprises a film former and polymeric composition. The polymeric composition comprises either (a) about 15 to about 35 weight percent o...	05/18/1993
5157071	Paints and polymers for use therein Wet adhesion, ICI viscosity, and scrub resistance of a paint are improved by incorporating into the paint a binder that comprises a film former and polymeric composition. The polymeric composition comprises either (a) about 15 to about 35 weight percent o...	10/20/1992
5043380	Metal container coating compositions comprising an acrylic polymer latex, melamine formaldehyde resin and an phenol formaldehyde resin Water borne, water dilutable metal can coating compositions containing (A) an acrylic polymer latex including an alkyloxymethylacrylamide or -methacrylamide monomer, (B) a melamine/formaldehyde resin, (C) an alkanolamine treated phenol/formaldehyde resin,...	08/27/1991
5017646	Aqueous vinyl resin emulsion (A) 1 to 50% by weight of at least one end carboxyl bearing reactive vinyl monomer of the formula: ##STR1## in which R1 is hydrogen or methyl group; R2 is a substituted or unsubstituted aliphatic hydrocarbon having 2 to 10 carbo...	05/21/1991
4963617	Low temperature self-crosslinkable polymer compositions and processes The invention relates to a crosslinking process for self-crosslinking (meth)acrylic copolymers soluble in organic solvents and characterized in that: a dispersion or solution having a solids content of between 30 and 80% by weight and a viscosity of betwe...	10/16/1990
4950708	Stable polyacrylamide gels containing chaotropic agents Polyacrylamide gels containing chaotropic agents such as urea as solubilizing agents for protein or nucleic acid separations are rendered stable for prolonged periods of time by the use of certain diacrylyl compounds with tertiary amide groups as cross li...	08/21/1990
4889664	Method of forming shaped hydrogel articles including contact lenses Shaped hydrogel articles such as soft contact lenses are prepared by (1) molding or casting a polymerization mixture comprising: (a) a monomer mixture comprising a major proportion of a hydrophilic (meth)acrylate ester such as 2-hydroxyethyl methacrylate,...	12/26/1989
4845138	Freeze-thaw stable polyacrylamide emulsions Water-in-oil emulsions of water-soluble polymers, i.e. polyacrylamides, which are subject to freeze-thaw degradation are stabilized against repeated freeze-thaw cycles by incorporating specific substituted succinic anhydrides....	07/04/1989
4829139	Pressure sensitive adhesives comprising ethylene vinyl acetate dioctyl maleate terpolymers Permanently tacky pressure sensitive adhesives comprise terpolymers consisting essentially of 35-50% by weight of a vinyl ester of an alkanoic acid, 15-30% by weight ethylene and 35-50% by weight of di-2-ethylhexyl maleate or the corresponding fumarate....	05/09/1989
4826938	Substrates coated with pressure sensitive adhesives comprising ethylene vinyl acetate dioctyl maleate polymers Permanently tacky pressure sensitive adhesives comprise terpolymers consisting essentially of 35-50% by weight of a vinyl ester of an alkanoic acid, 15-30% by weight ethylene and 35-50% by weight of di-2-ethylhexyl maleate or the corresponding fumarate....	05/02/1989
4812547	Pressure sensitive adhesives comprising ethylene vinyl acetate dioctyl maleate terpolymers Permanently tacky pressure sensitive adhesives comprise terpolymers consisting essentially of 35-50% by weight of a vinyl ester of an alkanoic acid, 15-30% by weight ethylene and 35-50% by weight of di-2-ethylhexyl maleate or di-n-octyl maleate or a corre...	03/14/1989
4756714	Method of durably sizing textile yarns, durable sizing composition, and durably sized yarns and fabrics produced therefrom Textile yarns are treated with a sizing composition which, when dried and cured, remains durably bound to the yarn throughout wet finishing operations and subsequent use. The sizing composition comprises an aqueous self-crosslinking emulsion copolymer der...	07/12/1988
4535122	Wet adhesion promoters for emulsion polymers An acrylate or methacrylate functional copolymerizable monomer which serves as an adhesion for emulsion polymers is disclosed. This monomer is the adduct formed by reacting an aminoalkyl alkylene urea with about 0.9 up to about 1.5 molar proportions of a ...	08/13/1985
4526915	Wet adhesion promoters for emulsion polymers An acrylate or methacrylate functional copolymerizable monomer which serves as an adhesion for emulsion polymers is disclosed. This monomer is the adduct formed by reacting an aminoalkyl alkylene urea with about 0.9 up to about 1.5 molar proportions of a ...	07/02/1985
4490491	Vinylidene chloride-containing copolymer latices An aqueous latex is disclosed which possesses improved water resistance for use in exterior paints. This latex comprises an aqueous emulsion copolymer of monomers consisting essentially of from 15% to 40% of vinylidene chloride together with a mixture of ...	12/25/1984
4429095	Polymerizable compositions comprising derivatives of mono-(alkylene ureido alkyl) ureas and bis-(alkylene ureido alkyl) ureas The invention provides new compounds which are cyclic alkylene ureas produced by the reaction of an alkylene urea selected from the group consisting of a mono-(alkylene ureido alkyl) urea, a bis-(alkylene ureido alkyl) urea, and mixtures thereof, with an ...	01/31/1984
4340664	Copolymer latex and photographic silver halide materials containing such latex Latexes suited for homogeneously incorporating compounds with a photographically useful group into photographic silver halide emulsion materials. The latex incorporates a copolymer comprising recurring units of a monomer with photographically useful group...	07/20/1982
4305859	Two-step copolymerization process by controlling the temperature to prepare copolymer latex containing hard and soft monomer components Improved process for the preparation of aqueous emulsions of addition copolymers having functional groups to provide thermosetting capability via condensation. The process improvement resides in reducing the amount of unwanted premature condensation of th...	12/15/1981
4225445	Polymers for acid thickening Acids, thickened with branched emulsion or suspension polymers of diallyldimethylammonium chloride are useful as oil well drilling and fracturing fluids for stimulating well production and in other applications, such as thickeners for cosmetics, paints, a...	09/30/1980
4193902	Finely particulate plastics dispersions prepared by metering a mixture containing four monomers into an aqueous liquor containing an anionic emulsifier A process is described by which plastics dispersions of high water and saponification resistance are obtained which, due to their small average particle size diameter of 0.01 to 0.06 microns are especially useful as primers for porous substrates. In their...	03/18/1980
4154713	Polymer dispersions as a casein replacement Polymer dispersions useful as a replacement for casein in paper coatings, and paper coating compositions containing such dispersions, are described. The dispersions comprise from about 85 to 95 percent by weight of an ethylenically unsaturated monomer fre...	05/15/1979
4138383	Preparation of small bio-compatible microspheres Small, round, bio-compatible microspheres capable of covalently bonding proteins and having a uniform diameter below about 3500 A are prepared by substantially instantaneously initiating polymerization of an aqueous emulsion containing no more than 35% to...	02/06/1979
4111877	Allyl esters of N-alkyl-omega-(alkyleneureido) amic acids and their synthesis and use in aqueous emulsion polymer systems Novel compounds of the general formula ##STR1## (m = 0 or 1; n = 2 or 3 and R = H or CH3) are produced by reacting a 2-aminoalkyl alkylene urea with an allyl ester of a carbonylic acid. Among the particular allyl esters disclosed as reacta...	09/05/1978
4104227	Film forming aqueous synthetic resin dispersions and paints prepared therefrom Aqueous film-forming dispersions of a synthetic resin, said resin containing from 0.5 to 5 percent by weight of a heterocyclic comonomer of the formula ##STR1## wherein A--B is --C.dbd.C-- or --CH--CH--; R1 is hydrogen or lower alkyl;...	08/01/1978
4104220	Alkenyl 1-(2-Aminoethyl) alkyleneureido succinamates, their synthesis, and use in aqueous emulsion polymer systems Novel compounds of the general formula ##STR1## wherein Y is ##STR2## and R is H or CH3 ; are produced by reacting 2-aminoethyl ethylene urea with succinic anhydride, and further reacting the potassium salt of the obtained compou...	08/01/1978
4101491	Ethylenically unsaturated blocked aromatic diisocyanates and polymers thereof Ethylenically unsaturated blocked aromatic diisocyanates are prepared which readily polymerize to form homopolymers and interpolymers with copolymerizable vinylidene monomers. Polymers can be prepared via emulsion polymerization, and exhibit excellent sta...	07/18/1978
4051093	Manufacture of shear-resistant aqueous copolymer emulsions Shear-resistant aqueous copolymer emulsions which can be used for sizing paper are manufactured by first copolymerizing, in the aqueous phase of an aqueous emulsion, using conventional polymerization initiators which form free radicals, (A) from 0.5 to 15...	09/27/1977
4017440	Polymers stabilized with polymerizable vinylbenzyltrialkyl ammonium salt surfactant An effective amount of a vinylbenzyltrialkylammonium salt, prepared from a vinylbenzyl halide and a tertiary amine, is polymerized with various other monomers to afford stable latex polymers which have the latex stabilizing surfactant incorporated into th...	04/12/1977

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Class 524/809 - Two or more nitrogen atoms in a single ring