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Class 525/281 - Nitrogen heterocycle contains at least two nitrogen atoms in the same ring


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the nitrogen heterocycle contains
No. of patents: 198
Last issue date: 02/26/2008


1          
NumberTitleIssue Date
7335692Rubber composition for tire tread
The present invention relates to a cross-linkable or cross-linked rubber composition usable in a tread of a tire, and to a tire incorporating this tread. A rubber composition according to the invention is based on at least one diene elastomer, and a plasticizer comp...
02/26/2008
7326520Copolymer of alicyclic olefin having secondary hydroxyl group and acryl compound, and chemically amplified resist composition containing the same
The present invention provides a polymer represented by the following formula 1 and a chemically amplified resist composition including the polymer, which resist composition is excellent in adhesion, storage stability and dry etch resistance, with good resolution in...
02/05/2008
7285327White film for surface light source reflecting members
A white film for a reflecting structure for surface light sources, which contains voids inside it and has a light stabilizer-containing coating film formed on at least one surface of it, is aged little with time and its brightness lowers little even when used for a ...
10/23/2007
7214410Process for selecting solvents for forming films of ferroelectric polymers
Disclosed herein is a process of forming a ferroelectric polymer film from a solution, wherein the solvent composition is selected so as to adjust the properties of the film. Films formed by this method have improved properties, particularly with respect to roughnes...
05/08/2007
7067586Methods of making ABA-type block copolymers having a random block of hydrophobic and hydrophilic monomers
Block copolymers are prepared by living-type or semi-living type free radical polymerization, with said copolymers having at least one random block comprised of at least one hydrophobic monomer and at least one hydrophilic monomer. The selection of hydrophobic and h...
06/27/2006
7049380Thermoplastic copolymer of tetrafluoroethylene and perfluoromethyl vinyl ether and medical devices employing the copolymer
An improved elastomeric material is described comprising an essentially noncross-linkable amorphous copolymer of tetrafluoroethylene (TFE) and perfluoromethyl vinyl ether (PMVE) which is both a thermoplastic and exhibits exceptional mechanical properties. This mater...
05/23/2006
7008680Heat-activatable adhesive
Heat-activatable adhesives comprise a semi-crystalline polymer. The semi-crystalline polymer comprises alkyl (meth)acrylate monomer units having an alkyl group that contains at least about 20 carbon atoms, alkyl (meth)acrylate monomer units having an alkyl group tha...
03/07/2006
6998443Flame retardant insulation compositions having improved abrasion resistance
Moisture curable flame retardant insulation compositions for wire and cable having improved adhesion are provided. The compositions are comprised of an ethylene-silane copolymer, high density polyethylene resin, halogenated flame retardant, silanol condensation cata...
02/14/2006
6974845Polymer composition crosslinkable with ultraviolet
An ultraviolet-crosslinkable polymer composition comprising a polymer containing iodine and/or bromine in an amount of from 0.001 to 10% by weight, a photoinitiator as a crosslinking agent and a polyfunctional unsaturated compound as a crosslinking aid. By using iod...
12/13/2005
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
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
6828355Resin-reinforced UV, moisture and UV/moisture dual curable silicone compositions
This invention relates to resin-reinforced silicone compositions curable upon exposure to radiation in the electromagnetic spectrum, which compositions when cured demonstrate improved elastomeric properties, such as tensile strength, modulus and elongation. The inve...
12/07/2004
6803447Preparation of supramolecular polymers by copolymerization of monomers containing quadruple hydrogen bonding units with regular monomers
The invention relates to the synthesis of polymers containing self-complementary quadruple hydrogen groups by copolymerizing monomers containing a quadruple hydrogen bonding group with one or more monomers of choice. The resulting polymers show unique new characteri...
10/12/2004
6794455Coagents for fluoroelastomer free radical-curable compositions
Crosslinking coagents based on aromatic diimides having N-substituted allyl groups are employed in place of triallyl isocyanurate (TAIC) for the free radical curing of fluoroelastomers. The diimide coagents mix more easily with fluoroelastomers and are less likely t...
09/21/2004
6767968ABA-type block copolymers having a random block of hydrophobic and hydrophilic monomers and methods of making same
Block copolymers are prepared by living-type or semi-living type free radical polymerization, with said copolymers having at least one random block comprised of at least one hydrophobic monomer and at least one hydrophilic monomer. The selection of hydrophobic and h...
07/27/2004
6765058Scorch extending curing/crosslinking compositions
A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the presence of a free radical initiator, is protected against such scorching by...
07/20/2004
6723796Processes for preparing grafted copolymers
Methods are disclosed for making graft copolymers. The methods comprise the steps of: (a) providing (i) an ethylene/propylene (EP) copolymer or other graftable polymer, (ii) an ethylenically unsaturated sulfur-, nitrogen- and/or oxygen-containing monomer, and (iii) ...
04/20/2004
6703450Curable base-resistant fluoroelastomers
Compositions of specialty fluoroelastomers containing copolymerized units of tetrafluoroethylene, propylene, optionally vinylidene fluoride, and a cure site monomer selected from the group consisting of i) trifluoroethylene, ii) 3,3,3-trifluoropropene-1, ...
03/09/2004
6686321Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them
A grafted polyolefin containing one or more of N-vinylimidazole, 4-vinylpyridine, or other ethylenically-unsaturated nitrogen-containing or oxygen-containing graftable monomers grafted to a polyolefin copolymer is disclosed. The grafted polyolefin prefera...
02/03/2004
6652440Electroactive polymers of high sulfur content for use in electrochemical cells
Provided is an electroactive organic polymer, which polymer comprises conductive polymer segments and non-conductive polymer segments, having one or more of these polymer segments bonded to polysulfide chains, and wherein the polysulfide chains comprise o...
11/25/2003
6613846Curable fluoroelastomer compositions comprising hydro siloxanes or hydro silazanes
The present invention provides a curable fluoroelastomer composition comprising: (a) a fluoroelastomer comprising a cure site component having a halogen capable of participation in a peroxide cure reaction; (b) an organic peroxide; and (c) a siloxa...
09/02/2003
6586533Method of manufacture of polybutadiene and polyisoprene based thermosetting compositions
Articles are formed from a thermosetting composition based on polybutadiene or polyisoprene resins which are subjected to a high temperature cure step of greater than 250° C. The thermosetting compositions may include fillers such as particulate ceramic ...
07/01/2003
6583250Polyolefine materials with improved adhesivity
The bondability of a polyolefin, particularly to cyanoacrylate adhesives, is improved by incorporating in the polyolefin a polymerization initiator capable of initiating the polymerization of the monomers constituting the cyanoacrylate adhesive. The polym...
06/24/2003
6515077Electrostrictive graft elastomers
An electrostrictive graft elastomer has a backbone molecule which is a non-crystallizable, flexible macromolecular chain and a grafted polymer forming polar graft moieties with backbone molecules. The polar graft moieties have been rotated by an applied e...
02/04/2003
6492306Nitrogen containing dispersant-viscosity improvers
A composition comprising a hydrocarbon polymer having attached thereto pendant groups Aa and Bb wherein each A is independently selected from members of the group consisting of: groups of the formula ##STR1## and each B is independen...
12/10/2002
6476150Crosslinkable modified fluorinated polymers
The present invention is related to melt-processable thermally crosslinkable compositions consisting of I) thermoprocessable copolymers of ethylene (E) with tetrafluoroethylene (TFE) and/or chlorotrifluoroethylene (CTFE), and acrylic monomers of formula ...
11/05/2002
6472353Dispersant-viscosity improvers for lubricating oil compositions
Graft copolymers useful as a dispersant-viscosity improver for lubricating oil compositions comprise a hydrocarbon polymer having graft polymerized thereon at least two nitrogen containing units, at least one of the nitrogen containing units being derived...
10/29/2002
6410652Processes for preparing grafted copolymers
Methods for making graft copolymers include (a) providing (i) an ethylene/propylene 9EP) copolymer or other graftable polymer, (ii) an ethylenically unsaturated sulfur-, nitrogen- and/or oxygen-containing monomer, and (iii) an amount of an initiator suffi...
06/25/2002
6372828High temperature flame retardant insulation compositions stabilized with zinc salt/secondary amine combinations
Flame retardant compositions useful as insulation for 150° C.-rated wire and cable applications are provided. The compositions of the invention utilize an ethylene-alkyl acrylate copolymer base resin with a two-component stabilizer package consisting of ...
04/16/2002
6300289Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them
A grafted polyolefin containing one or more of N-vinylimidazole, 4-vinylpyridine, or other ethylenically-unsaturated nitrogen-containing or oxygen-containing graftable monomers grafted to a polyolefin copolymer is disclosed. The grafted polyolefin prefera...
10/09/2001
6291586Amide functional ultraviolet light absorbers for polyurethanes and polyureas
An ultraviolet light absorbing material that resists blooming and migration is made up of a polyurethane or polyurea polymer and an amide functional ultraviolet light absorbing compound, wherein the polymer and the amide functional ultraviolet light absor...
09/18/2001
6288013Nitrogen containing dispersant-viscosity improvers
A composition comprising a hydrocarbon polymer having Mn ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached the...
09/11/2001
6224981Water-redispersible powders of film-forming polymers having a core/shell structure
The present invention relates to a water-redispersible powder based on film-forming polymers which are substantially water-insoluble and which are prepared by aqueous emulsion polymerization of monomers containing ethylenic unsaturation and with a "core/s...
05/01/2001
6191230Polyethylene crosslinkable composition
A masterbatch composition comprising: (a) a copolymer of ethylene and 1-octene prepared with a metallocene catalyst; (b) as a scorch inhibitor, a substituted hydroquinone; 4,4'-thiobis(2-methyl-6-t-butylphenol); 4,4'-thiobis(2-t-butyl-5-methylphenol); or ...
02/20/2001
6187721Lubricant for use in diesel engines
Soot in a lubricated diesel engine is effectively dispersed without adversely affecting the viscosity of the lubricant by using a particular lubricant. The lubricant utilized comprises a lubricant base stock (e.g. more than 75% by weight), a dispersant (e...
02/13/2001
6159331Method of using bridging agent for laminates
A bridging agent for improving the bond between incompatible component layers of laminates comprising one or more N-substituted melamine compounds. The bridging agent is comprised of an N-substituted melamine, an N-substituted melamine formaldehyde resin,...
12/12/2000
6150460Curable compositions containing novel polyfunctional crosslinking agents
Novel polyfunctional glyoxylated compounds and compositions containing the same are disclosed which are particularly suitable for use as crosslinking components in curable compositions and also find use in imparting wet adhesion properties to water-based ...
11/21/2000
6147170UV stabilized ethylene copolymers
A novel plasticizer composition is disclosed which comprises an ethylene copolymer combined with a reactive ultraviolet (UV) absorbing agent by reaction. Useful UV absorbing agents include homopolymers and copolymers of vinyl-functionalized monomer of ben...
11/14/2000
6114473Resin composition for powder coating
A resin composition for powder coating, which comprises the following components (A), (B) and (C): (A) a carboxyl group-containing resin having a number average molecular weight of from 1,000 to 20,000, an acid value of from 5 to 200 and a glass transitio...
09/05/2000
6114459Vulcanizable acrylic elastomer composition including an acrylic elastomer, an organic peroxide, and a polyfunctional unsaturated compound
An acrylic elastomer obtained by copolymerization of about 60 to about 99.9% by weight of at least one of alkyl acrylate and alkoxyalkyl acrylate; about 10 to about 0.1% by weight of a halogen-containing vinyl compound having a secondary or tertiary halog...
09/05/2000
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