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Class 526/261 - Three or more nitrogen atoms in a single ring


Subclass of Class 526 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the ring system contains at least
No. of patents: 231
Last issue date: 01/29/2008


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NumberTitleIssue Date
7323532Low-viscosity radiation-curing and thermally curing polyisocyanates
The present invention concerns a process for producing low-viscosity polyisocyanates or secondary products thereof, which carry activated, radiation-curable double bonds and can optionally also cure thermally, and low-viscosity polyisocyanate mixtures or secondary p...
01/29/2008
7279527Method of converting anionic living end to protected free radical living end and applications thereof
Provided is a method of converting an anionic living end to a protected free radical “living” end in a well-controlled manner, which enables copolymerization by plural mechanisms. The method is particularly useful for copolymerization of anionically polymerizabl...
10/09/2007
7271228Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts
Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts. The compounds comprise at least one perfluorovinyl group and at least one group chosen from —O or one of the groups C≡N, ...
09/18/2007
7229835Amine detection method and materials
A compound linked to a solid support (R) through a divalent linker moiety (X) and which is represented by the following formula: is disclosed. In particular, the 1-hydroxybenzotriazole-6-carboxylic acid is direct...
06/12/2007
7214752Homopolymers which exhibit a high level of photo-inducable birefringence
Homopolymers suitable for storage of information provided optically are disclosed. The are formed from monomers which contain groupings which are at least trinuclear, which are capable of absorbing the electromagnetic radiation of ...
05/08/2007
7211368Stereolithography resins and methods
Photocurable resin compositions are provided that are most useful in stereolithography. A photocurable resin includes a urethane acrylate oligomer, an acrylate monomer, and a polymerization modifier. The resin after curing provides a solid product that has character...
05/01/2007
7176264Process for manufacture of a dendritic polyether
A process for manufacture of a dendritic polyether comprising a core, derived from a compound having two or more hydroxyl groups, and at least one branching generation being built up from at least one hydroxyoxetane having one oxetane group and at least one hydroxyl...
02/13/2007
7157146Primer composition, coating method, and coated article
A primer composition comprises (A) a vinyl copolymer obtained through copolymerization of (a-1) a UV-absorbing vinyl monomer, (a-2) an alkoxysilyl group-containing vinyl monomer, and (a-3) another copolymerizable monomer, (B) a curing agent, and (C) a thermoplastic ...
01/02/2007
7119210Dual function UV-absorbers for ophthalmic lens materials
Disclosed are UV absorbers that contain a labile functional group capable of initiating free radical polymerization. ...
10/10/2006
7078348Dual layer patterning scheme to make dual damascene
One aspect of the present invention relates to a method for making a dual damascene pattern in an insulative layer in a single etch process involving providing a wafer having at least one insulative layer formed thereon; depositing a first photoresist layer over the...
07/18/2006
7071240Carboxylic cationites and methods of manufacture
A method for preparing synthetic polymerized resins for ion exchange, namely, carboxylic cationites, which are suitable as sorbents for preparative separation and purification of biologically active compounds by low pressure liquid chromatography (LPLC). The directi...
07/04/2006
7022808Polymers
A polymer having a plurality of 5–6 membered unsaturated rings which may be the same or different, linked together by way of linker chains to form a backbone, at least some of said 5–6 membered unsaturated rings carrying a ligand. Polymers of this nature can act...
04/04/2006
7014781Methods and articles for maintaining hydantoinylated polymers in a biocidally active state
A composition and the method for sustaining the biocidal activity of chlorinated polystyrene hydantoin beads. The method comprises supplying a continuous low level halogen concentration to the chlorinated polystyrene hydantoin beads in the water to be treated that f...
03/21/2006
7004976Biopolymers modified with superoxide dismutase mimics
This invention provides modified biopolymers comprising biopolymers attached to at least one non-proteinaceous catalyst capable of dismutating superoxide in the biological system or precursor ligand thereof. The invention further provides pharmaceutical compositions...
02/28/2006
6995224Functionalized monomers for synthesis of rubbery polymers
This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consis...
02/07/2006
6994745Pigment dispersing resin
This invention provides both a pigment dispersing resin which is a copolymer of: (A) polymerizable unsaturated monomer containing at least one kind of ionic functional group selected from the group consisting of tertiary amino grou...
02/07/2006
6960636Thermosetting resin compositions containing maleimide and/or vinyl compounds
In accordance with the present invention, there are provided novel thermosetting resin compositions which do not require solvent to provide a system having suitable viscosity for convenient handling. Invention compositions have the benefit of undergoing rapid cure. ...
11/01/2005
6919364Microbiological control in animal processing
Fecal bacterial contamination in an animal is reduced by providing it with drinking water containing a microbiocidally-effective amount of halogen-based microbiocide resulting from mixing with water (A) a product formed in water from (i) bromine, chlorine, or bromin...
07/19/2005
6917475Optical element
The invention provides an optical element that has a low refractive-index chromatic dispersion, a high degree of freedom in molding or forming as is the case with synthetic resins, and moldability or formability that lends itself to mass production. The optical elem...
07/12/2005
6916856Thermosetting resin compositions containing maleimide and/or vinyl compounds
In accordance with the present invention, there are provided novel thermosetting resin compositions which do not require solvent to provide a system having suitable viscosity for convenient handling. Invention compositions have the benefit of undergoing rapid cure. ...
07/12/2005
6908636Microbiological control in poultry processing
In the processing of poultry, equipment, instruments, apparatus and/or water used in such processing, and/or carcasses and/or parts of poultry resulting from the processing of poultry, are disinfected with aqueous solutions of certain halogen-based microbiocides, es...
06/21/2005
6903175Polymer synthesis and films therefrom
Disclosed are methods of preparing solution polymers and compositions derived therefrom. ...
06/07/2005
6875833Monomers and homopolymers, having high photoinduceable double refraction, prepared therefrom
Disclosed are monomers which contain groups that are at least trinuclear, which are capable of absorbing the electromagnetic radiation of visible light, and which are structured such that in their thermodynamically stable state they are distended and strongly anisom...
04/05/2005
6858691Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts
Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts. The compounds comprise at least one perfluorovinyl group and at least one group chosen from —O or one of the groups C≡N, ...
02/22/2005
6824891Light-emitting device and material therefor
A light-emitting device comprising a pair of electrodes formed on a substrate, and organic compound layers comprising a light-emitting layer provided in between the electrodes, wherein at least one of the organic compound layers comprises a heterocyclic compound hav...
11/30/2004
6812307Functionalized monomers for synthesis of rubbery polymers
This invention is based upon the unexpected finding that random copolymers of 1,3-butadiene monomer and 3-(2-pyrrolidinoethyl) styrene and/or 4-(2-pyrrolidinoethyl) styrene having a low vinyl content can be synthesized by anionic polymerization at normal polymerizat...
11/02/2004
6806321Process for producing modified polymer rubber
There is provided a process for producing a modified polymer rubber, which comprises the steps of: (1) polymerizing a conjugated diene monomer, or the conjugated diene monomer and an aromatic vinyl monomer in the presence of an alk...
10/19/2004
6803438Uniform molecular weight polymers
A polymer comprising the unit (I) wherein R is selected form the group consisting of hydrogen, C1-C18 alkyl, C1-C18 aralkyl, C1-C18 alkaryl, carboxylic acid, carboxy-C1-6alkyl, or any one o...
10/12/2004
6794474Polymerisable compositions for making transparent polymer substrates, resulting transparent polymer substrates and uses thereof in optics
The invention is a composition comprising: 40 to 95 parts by weight of one or several monomers (I) of formula (a) wherein: R1 and R2 represent H or CH; A represents a divalent radical of formula (b) or (c) wherein m1 and m2
09/21/2004
6784266Dual stimuli-responsive hydrogels and their synthetic methods
The present invention relates to a process for preparing copolymer hydrogels with controlled molecular weights and having both thermo- and pH-responsive properties, wherein the process comprises the steps of (a) providing sulfonamide type styrenic or (meth)acrylamid...
08/31/2004
6780950Pyrrole compounds, polymers thereof and EL element using the same
A pyrrole compound, polymers thereof and EL element using the same are disclosed. The pyrrole compound and polymers thereof can be used as a material for an organic and polymeric electroluminescence element and/or other optical devices such as an optical switch, sen...
08/24/2004
6775059Near infrared absorption material
The present invention provides a near infrared absorption material comprising: a transparent substrate, and at least a transparent resin layer formed thereon, containing a near infrared absorption dye and a dye selectively absorbing a light of 550 to 6...
08/10/2004
6730417Organic electroluminescent (EL) devices
A new class of conjugated organic polymers or copolymers comprising a triazine group. This class of polymers or copolymers may be used in organic electroluminescent (EL) devices. ...
05/04/2004
6703139Weather-resistant composition, coating materials and molded articles
The present invention relates to a weather-resistant composition comprising a bisbenzotriazolylphenol compound represented by the general formula (1): ##STR1## [wherein A represents an alkylene group, and R1 and R2 represent a group ...
03/09/2004
6677420Polymerisable compositions for making transparent polymer substrates, resulting transparent polymer substrates, and uses thereof in optics
The invention is a composition comprising: 40 to 95 parts by weight of one or several monomers (I) of formula (a) wherein: R1 and R2 represent H or CH; A represents a divalent radical of formula (b) or (c) wherein m1 and m...
01/13/2004
6630552Functionalized elastomers
This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) at least one functionalized monomer having of the structural formula: ##STR1## wherein R represe...
10/07/2003
6627721Functionalized elastomers
This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) at least one functionalized monomer having of the structural formula: ##STR1## wherein R represe...
09/30/2003
6585873Polymer gels and methods for their preparation
A crosslinked hydrophilic gel in which the crosslinker used in a compound of Formula I or Formula II ##STR1## or combination thereof. These crosslinked hydrophilic gels provide enhanced separation in electrophoresis. The use of the crosslinkers of Formula...
07/01/2003
6534611Cycloaddition functional polymers from (vinyl) polystyrene
A functional polymer having active and stable functional groups useful for separation or reactive processes in chemical manufacture or analysis is disclosed. The polymer comprises repeat units having structures corresponding to cycloaddition products of p...
03/18/2003
6531564Water-soluble polymeric adhesion promoter and production method
A water-soluble polymeric adhesion promoter is represented by the following formula (I): ##STR1## wherein R is a hydrogen atom, a hydroxyl group or a lower alkyl group having 1 to 4 carbon atoms, and m and k are numbers selected such that m/k is in the ra...
03/11/2003
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