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Class 525/181 - With ethylenically unsaturated reactant; or reactant contains a heterocyclic ring other than solely as a lactam or cyclic anhydride of a polycarboxylic acid


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein a reactant contains an ethylenic
No. of patents: 98
Last issue date: 07/29/2008


1      
NumberTitleIssue Date
7405265Method of preparing catalyst for polymerization of aliphatic polycarbonate and method of polymerizing aliphatic polycarbonate
Disclosed is a method of preparing a catalyst for polymerization of aliphatic polycarbonates and a method of polymerizing an aliphatic polycarbonate. This method includes reacting a zinc precursor and organic dicarboxylic acid in a non-ionic surfactant-included solu...
07/29/2008
7323515Sealing composition and seals made by using the same
The invention relates to a sealing composition which comprises a crosslinkable fluoroelastomer, a crosslinking agent for this elastomer and a reinforcing polyimide resin powder; and seals such as O-rings, made by molding the composition into a prescribed shape and c...
01/29/2008
7317053Compositions for imparting desired properties to materials
The present invention relates to aqueous compositions comprising component (A) which comprises at least one water-soluble component comprising at least one functional group that undergoes a crosslinking reaction, preferably upon drying and/or heating; component (B) ...
01/08/2008
7314909Method of reducing the styrene content of a poly(arylene ether)/polystyrene blend, and articles comprising the resulting thermoplastic resin
A poly(arylene ether)/polystyrene blend may be prepared by melt kneading a carboxylic acid compound, a poly(arylene ether), and a polystyrene to form an intimate blend, and steam stripping the intimate blend, where melt kneading is conducted with a specific energy c...
01/01/2008
7309738Approach for achieving flame retardancy while retaining physical properties in a compatible polymer matrix
The invention provides polymer blends containing polyhydroxyamide and one or more flammable polymers. The polymer blends are flame retardant and have improved durability and heat stability compared to the flammable polymer portion of the blends. Articles containing ...
12/18/2007
7259202Method for pre-treating stencils to ensure paint removal
A new and improved method for pre-treating stencils is herein disclosed. A release agent provides a protective barrier when applied to stencils prior to applying paint to the surface. The release agent allows the paint to removed by soaking and/or washing the pre-tr...
08/21/2007
7238451Conductive polyamine-based electrolyte
The present invention is directed to a polymer electrolyte comprising amine groups dispersed throughout the polymer backbone, including various poly(ethylenimine)-based polymers, which enable ionic movement for use in various applications, including for example batt...
07/03/2007
7217765Styrenic polymer composites
A composite composition is disclosed that comprises the reaction product of a mixture of a styrenic polymer, as defined herein, a polar component having nucleophilic functional groups, and from 0.5 to 10 wt % of a compatibilizer having the formula: Ry...
05/15/2007
7211642Thermosetting aromatic dielectric material
A polymer comprises at least two types of monomer units selected from: (1) diethynyl benzene units, (2) triethynyl benzene units, and (3) ester units. After curing, the polymer may form a condensed polyaromatic dielectric having a dielectric constant of at most 2.0 ...
05/01/2007
7135525Laser-sintering powder with PMMI, PMMA, and/or PMMI-PMMA copolymers, process for its preparation, and moldings produced from this laser-sintering powder
The present invention relates to a sinter powder composed of polyamide which also comprises PMMI, PMMA, or copolymers with PMMI, in particular PMMI-PMMA copolymers, to the use of this sinter powder for laser-sintering, and also to moldings produced from this sinter ...
11/14/2006
7094864Process of continuously producing polyester polymer
The present invention uses a reactor that combines devices having a special portion structure to solve the difficulty of uniform blending due to the reactants becoming highly viscous, the difficulty of heat removal, and the increase in pressure loss, thus leading to...
08/22/2006
7091306Process for preparing polyalkenylsuccinimides
The present invention relates to an improved process for preparing polyalkenylsuccinimides having a sediment level less than 0.1 vol % comprising the steps of: (a) preparing a polyalkenyl derivative of an unsaturated acidic reagent...
08/15/2006
6992141Blends of poly[α-methylenelact(one)(am)] homo-and copolymers
Polymers containing α-methylenelact(ones)(ams) such as α-methylenebutyrolactones are useful in blends with other polymers. For examples such polymers which have reactive groups are toughened by mixing with a rubbery material which has complimentary reactive groups...
01/31/2006
6919404Hybrid polymer materials for liquid crystal alignment layers
The present invention provides novel hybrid polymer optical alignment layers for inducing alignment of a liquid crystal medium. Hybrid polymers of this invention are prepared from at least one component selected from the group consisting of monomer, macromonomer and...
07/19/2005
6900271Hybrid polymer materials for liquid crystal alignment layers
The present invention provides novel hybrid polymer optical alignment layers for inducing alignment of a liquid crystal medium. Hybrid polymers of this invention comprise at least one component of a macromonomer or polymer within the class of polyimide, polyamic aci...
05/31/2005
6889735Pneumatic tire having a rubber component containing a dendrimer
There is disclosed a pneumatic tire having a rubberized component comprising: (a) 100 parts by weight of at least one rubber containing olefinic unsaturation; and (b) 1 to 50 phr of a dendrimer. ...
05/10/2005
6878776Thermosetting resin compositions comprising cross-linked reactive microparticles with improved mechanical strength
The invention relates to thermosetting compositions, in particular coating or molding compositions, comprising crosslinked polymer microparticles with a size ranging from 10 to 300 nm and carrying at least one reactive functional group which can react with at least ...
04/12/2005
6818706Polymer mixture
A polymer mixture of a thermoplastically processable fluoropolymer and a sulfur polymer, wherein the sulfur polymer component in the polymer mixture is 0.1 to 20% by weight. ...
11/16/2004
6525137Polyamide conveyor elements
The invention relates to an improvement to conveyors comprising moving elements which slide over fixed elements such that at least one moving element made of a polyamide-based blend (A) slides over a fixed element made of polyacetal and/or such that at le...
02/25/2003
6518334Preparation and use of dispersions of blended polycarboxypolyamide resins and alkali dispersible resins and compositions thereof
This invention relates to polymer blends comprising a polycarboxypolyamide resin with an alkali dispersible resin. This invention also relates to the use of the polymer blends to prepare aqueous dispersions. The aqueous dispersions were obtained by heatin...
02/11/2003
6479588Graft copolymer of polyamide and a glycidyl group-containing acrylate copolymer, process for preparation and coating composition containing the graft copolymer
A graft copolymer comprising a polyamide to which is grafted a glycidyl group-containing acrylate copolymer. The graft copolymer can be prepared by dispersing in an organic solvent a polyamide and a material which will react with the polyamide to form the...
11/12/2002
6348152Medical material containing fluorinated polysulfone having excellent antithrombotic activity
A medical material composed of a poly(alkyl aryl ether)sulfone copolymer (A) and a thermoplastic polymer (B), such as cellulose triacetate, and being used in contact with the blood, wherein the concentration of the copolymer (A) is at least 40% by weight ...
02/19/2002
6316538Water dispersible polymeric compositions
An aqueous polymeric dispersion is described containing at least one substantially non-gelled polymeric composition comprising the reaction product of an A polymer which is an addition polymer having 3.5 or more reactive functional groups per polymer chai...
11/13/2001
6255401Rubber composition and pneumatic tire using the rubber composition
A rubber composition comprises, as a softener, a polymer obtained by cationic polymerization using a Lewis acid catalyst as an initiator. The polymer may be substantially a homopolymer of isobutylene, or substantially a copolymer of isobutylene and an aro...
07/03/2001
6156850Process for making polyalkenyl derivative of an unsaturated acidic reagent
A polyalkenyl derivative of an unsaturated acidic reagent prepared by the process of reacting a polyalkene having a Mn of at least 300 with an unsaturated acidic reagent at elevated temperatures in the absence of a strong acid until at least 25% of the po...
12/05/2000
6111056Cyclic amine based polymers and process for their production
A cyclic amine containing polymer substantially free of primary and secondary amino groups which is prepared by reacting: a) an amine selected from the group consisting of: i) cyclic amines having at least one nitrogen atom in the ring and at least one primary...
08/29/2000
5998506One-piece golf ball
The invention provides novel compositions and golf balls formed from those compositions. The compositions generally include a cured blend of an elastomer, a peroxide polymerization agent, a co-agent, and an unsaturated polycarboxylic acid. More particular...
12/07/1999
5994469Curable coating composition containing a resin with latent functionality
A composition comprising a resin having latent primary amine functionality is described. The latent amine functionality is obtained by reacting a cyclic anhydride with an amine compound having two primary amine groups and one secondary amine group. The la...
11/30/1999
5948503Fine fiber reinforced thermoplastic elastomer composition and process for producing same
A fine fiber-reinforced elastomer composition (A) having a high elastic modulus, mechanical strength and creep resistance includes (a) 100 parts by weight of elastic component having a glass-transition temperature of 0° C. or less, (b) 30 to 500 parts by...
09/07/1999
5942577Temperature-stable low solvent-swelling thermoplastic elastomer compositions
A thermoplastic elastomer is formed from a thermoplastic polymer such as a polyester, polycarbonate, or combinations thereof or a polyamide, which polymer is melt blended with an acrylic rubber. The acrylic rubber desirably has from about 0.5 to about 5 m...
08/24/1999
5917006Optical resin composition
Describes a polymerizable organic composition comprising an aromatic monomer having at least two vinyl groups, e.g., divinyl benzene, a polythiol monomer having at least two thiol groups, e.g., pentaerythritol tetrakis(2-mercaptoacetate), and an anhydride...
06/29/1999
5886100Thermosetting coating composition
The thermosetting coating composition in a powdery form, includes (a) a binder resin prepared by the steps comprising preparing a starting material monomer mixture of two different polymerization reactions, each of the polymerization reaction being carrie...
03/23/1999
5883186Polyamide/polyolefin blends
Thermoplastic molding materials contain A) from 4 to 95% by weight of a semicrystalline, partly aromatic copolyamide composed of a1) from 30 to 44 mol % of units which are derived from terephthalic acid, a2) from 6 to 20 mol % of units wh...
03/16/1999
5866673Polymerizable derivatives of polyamides
The invention relates to polymerisable double-bond derived polyamides obtainable by reacting the polyamide in an aqueous solution with a compound which contains both a polymerisable double bond and an oxirane ring. These derived polyamides may be processe...
02/02/1999
5858492Thermoplastic multilayer composites
A composite material having improved thermal and mechanical properties is provided by a thermoplastic multilayer composite consisting at least of (I) a layer of a polyvinylidene fluoride moulding composition, (II) a layer directly adjacent to the layer I, comprisin...
01/12/1999
5807929Cyclic imido-1,3,5-triazine crosslinking agents
At least bis-imido 1,3,5-triazines and processes of preparing the same are disclosed. Also disclosed are prepolymers having at least bis-imido functionality and curable compositions comprising at least bis-imido 1,3,5-triazines or prepolymers thereof in c...
09/15/1998
5654367Organic polymer and preparation and use thereof
An alternating copolymer comprising a repeating unit of the formula: --Z--(X--Y)n -- (I) wherein n is at least 2, X is O, S, Se or Te, and Y and Z are independently an aromatic or substituted aromatic group, and at l...
08/05/1997
5641834Modified polyalkadiene-containing compositions
A composition that includes an olefinic-terminated polyalkadiene that includes carboxy ester linking groups and at least one nascent secondary hydroxyl group that is capped with a monoisocyanate. The composition also includes a free radical-polymerizable ...
06/24/1997
5475040Low viscosity, thermoplastic modified, low CTE thermosetting polyester encapsulants for microelectronics
Filled, thermoplastic-modified thermosetting polyester resin formulations are provided as encapsulants for microelectronics devices. The polyester encapsulant formulations include either a low profile thermoplastic resin additive or a combination of polye...
12/12/1995
5420206Flexible thermoplastic compositions comprising nylon
The invention provides novel blends and processes for producing such blends which include a polyamide, an olefinic acid copolymer or salt thereof, and a maleated ethylene/propylene rubber, wherein such novel blends may be processed by conventional extrusi...
05/30/1995
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