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Class 525/377 - Nitrogen-containing compound contains at least one nitrile or isonitrile group; or a nitrogen-to-oxygen bond which is other than as an amine or ammonium salt


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the chemical treating is performed
No. of patents: 244
Last issue date: 06/10/2008


1              
NumberTitleIssue Date
7385011Method for introducing carbonyl groups into polymers containing double carbon-carbon linkages
The invention discloses a method for selectively introducing carbonyl groups into polymers by oxygenation of double C═C bonds of polymers with the aid of nitrous oxide (N2O) at a temperature comprised between 50 and 350° C. and a pressure of N2
06/10/2008
7358311Crosslinking of unsaturated polymers by the use of hydroxylamine-esters
The instant invention relates to a process for crosslinking unsaturated polymer resins as e.g. unsaturated polyesters using hydroxyamine esters as radical source. Further aspects of the invention are a composition comprising unsaturated polymer resins as e.g. unsatu...
04/15/2008
7335707Barrier layer composition
A barrier layer composition for a pneumatic tire that contains a mixture of an 4-phenyl isocyanate and sulfur as a crosslinking material, with higher than normal levels of filler or reinforcing material loading. The barrier layer formulation exhibited improved green...
02/26/2008
7294678Thin walled polynitrile oxide crosslinked rubber film products and methods of manufacture thereof
Natural rubber and/or synthetic polyisoprene film products having enhanced tear strength and tensile strength crosslinked with a one polynitrile oxide, intended for direct or indirect contact with living tissue or fluids to be placed in living organisms. ...
11/13/2007
7285600Reagents for heat activated polymer crosslinking
The present invention is directed to nitrile-oxide precursor compounds, and their preparation and use as an irreversible cross-linking agent in polymers having appropriate functionality, i.e., alkenes, alkynes nitriles, and isocyanates. The present invention is also...
10/23/2007
7282542Modification method of polymer
A method for modifying a polymer comprising modifying a polymer capable of decomposing with a carbon radical in the molecule thereof by a reaction with a radical initiator and a compound having a nitroxide radical in the molecule thereof to thereby decrease a molecu...
10/16/2007
7232528Surface treatment agent for copper and copper alloy
The surface treatment agent for copper and copper alloys contains hydrogen peroxide, a mineral acid, an azole compound, silver ion and a halide ion. The surface treatment agent for copper and copper alloys is useful in the production of printed wiring boards in elec...
06/19/2007
7217426Coatings containing polycationic peptides for cardiovascular therapy
Coatings for implantable medical devices and methods for fabricating the same are disclosed. The coatings include a region containing a polycationic peptide, such as, for example, the polycationic peptide known as R7. ...
05/15/2007
7202309Process for crosslinking thermoplastic polymers with silanes employing peroxide blends and the resulting crosslinked thermoplastic polymers
A composition comprising at least one silane possessing an unsaturated organic function; at least two free radical initiators, and a process for producing silane-crosslinked thermoplastic polymers comprising providing a cross-linkable compound; at least one thermopl...
04/10/2007
7202306Method for producing modified conjugated diene polymer and rubber composition
Disclosed are a method for producing a modified conjugated diene polymer improved in quality stability, more enhanced in low heat buildup and reinforcing ability when used in a rubber composition, excellent in wear resistance, mechanical characteristics and processa...
04/10/2007
7196144Process for modification of polymer
A process for modification of a polymer comprising modifying a polymer (A) capable of decomposing by carbon radicals present in the molecule thereof using a compound (B) having a nitroxide radical in the molecule thereof and a radical initiator (C) in a ratio of (B)...
03/27/2007
7138463Carbamate functional addition polymers and a method for their preparation
A carbamate or terminal urea functional vinyl polymer is prepared by reacting a compound having an hydroxyl group and a carbamate group, terminal urea group, or a group that can be converted to a carbamate or terminal urea group, with a cyclic carboxylic acid anhydr...
11/21/2006
7125934Functionalization of living rubbery polymers with nitrones
This invention discloses a low cost process that can be used to functionalize living rubbery polymers with terminal nitroxide end-groups to promote interaction between the polymer end-groups and surface functionalities commonly found on carbon black and silica fille...
10/24/2006
7101932Method for the preparation of 1-benzotriazolyl carbonate esters of poly (ethylene glycol)
The invention provides a method for preparing a 1-benzotriazolylcarbonate ester of a water-soluble and non-peptidic polymer by reacting a terminal hydroxyl group of a water-soluble and non-peptidic polymer with di(1-benzotriazolyl)carbonate in the presence of an ami...
09/05/2006
7094256Coatings for implantable medical device containing polycationic peptides
Coatings for implantable medical devices and methods for fabricating the same are disclosed. The coatings include carboxylated acrylates and polycationic peptides, for example R7. ...
08/22/2006
7070798Coatings for implantable medical devices incorporating chemically-bound polymers and oligomers of L-arginine
A coating for an implantable medical device is disclosed. The coating comprises a polymer and an amino acid chemically bonded, attached or conjugated to the polymer. In one embodiment, the coating can include a therapeutic substance. In lieu of bonding the amino aci...
07/04/2006
7056523Implantable medical devices incorporating chemically conjugated polymers and oligomers of L-arginine
An implantable medical device, such as a stent, is disclosed comprising an amino acid or a polypeptide bonded to a plasma polymerized film layer formed on the device. A method of manufacturing the same is also disclosed. ...
06/06/2006
7034085Method for polymerizing ethylenically unsaturated monomers by degenerative iodine transfer
The invention pertains to a method for making a block or gradient final (co)polymer comprising a step of radically polymerizing a mixture of ethylenically unsaturated monomers in the presence of a) a radical precursor and b) an iodine atom-containing intermediate po...
04/25/2006
7033602Polycationic peptide coatings and methods of coating implantable medical devices
Coatings for medical devices which include polycationic peptides such as L-arginine and methods for fabricating the coatings are disclosed. ...
04/25/2006
7022737Manipulating nitrosative stress to kill pathologic microbes, pathologic helminths and pathologically proliferating cells or to upregulate nitrosative stress defenses
Mammals are treated for infections or for conditions associated with pathologically proliferating mammalian cell growth by administration of a manipulator of nitrosative stress to selectively kill or reduce the growth of the microbes or helminths causing the infecti...
04/04/2006
7019086Process for producing modified polymer
A process for producing a modified polymer having, in the molecule thereof, an organic group(s) introduced thereinto and derived from a compound(s) having a free radical comprising reacting a polymer such as an elastomer with a compound having the free radical stabl...
03/28/2006
7011842Polycationic peptide coatings and methods of making the same
Polycationic peptide coatings for implantable medical devices and methods of making the same are described. The methods include applying an emulsion on the device, the emulsion including a polymer and a polycationic peptide. Other methods include incorporation of th...
03/14/2006
6994867Biocompatible carrier containing L-arginine
L-arginine conjugated to a polymeric matrix is disclosed. The matrix can be used as, for example, a coating for an implantable medical device such as a stent. ...
02/07/2006
6992147Modified polymers prepared with lanthanide-based catalysts
A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with at least one functionalizing agent define...
01/31/2006
6977281Modified polymers prepared with lanthanide-based catalysts
A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, where said pseudo-living polymer is characterized by having greater than about 85 per...
12/20/2005
6911427No-modified hemoglobins and uses therefore
S-nitrosohemoglobin (SNO-Hb) can be formed by reaction of Hb with S-nitrosothiol and by other methods described herein which do not result in oxidation of the heme Fe. Other methods can be used which are not specific only for thiol groups, but which nitrosate Hb mor...
06/28/2005
6838530Method of preparing various multifunctional materials using limited starting reactants
The invention provides a method of making a number of different multifunctional acrylic materials from a limited number of starting materials. The method of the invention requires the product of a masterbatch of an acrylic oligomer or polymer having two or more cycl...
01/04/2005
6831136Amino-terminated polybutadienes
Improved amine-terminated polybutadienes (ATPBs) having one or two terminal amino groups, are prepared by cyanoalkylating a hydroxyl-terminated polybutadiene by Michael addition of acrylonitrile in the presence of a base, forming nitrile termination, followed by hyd...
12/14/2004
6825286Method for determining the water solubility or water dispersibility of waterborne beta-hydroxy primary carbamate functional graft materials
The invention relates to a method of making waterborne multifunctional materials, especially waterborne multifunctional materials comprising at least one primary carbamate group and a grafting moiety (cii). The method of the invention requires the successive or simu...
11/30/2004
6812300Method for making multifunctional materials
The invention relates to a method of making multifunctional materials, especially materials comprising at least one primary carbamate group and a grafting moiety (cii). The method of the invention requires the successive or simultaneous reactions of a material P wit...
11/02/2004
6765056Aqueous cross-linkable binder composition and its use in the production of lacquer coatings
The aqueous-based cross-linkable binder composition comprising (A) an aqueous dispersion of an aldehyde-functional polyurethane having a number average molecular weight of more than 1,000 and an average aldehyde functionality of ≧2, which polyurethane compr...
07/20/2004
6710125Method for the preparation of 1-benzotriazolyl carbonate esters of poly(ethylene glycol)
The invention provides a method for preparing a 1-benzotriazolylcarbonate ester of a water-soluble and non-peptidic polymer by reacting a terminal hydroxyl group of a water-soluble and non-peptidic polymer with di(1-benzotriazolyl)carbonate in the presence of an ami...
03/23/2004
6706824Process for increasing the molecular weight of polycondensates
By heating at above the melting point and/or glass transition point of the polycondensate and adding an aromatic dicyanate; or adding a mixture comprising an aromatic dicyanate and a polyfunctional compound selected from the class of sterically hindered hydroxypheny...
03/16/2004
6673454Thermosetting powder coating composition
To provide the thermosetting powder coating composition which comprises a fluorine-containing copolymer having crosslinkable functional group and a curing agent, in which the fluorine-containing copolymer has a fluoroolefin unit, has a fluorine content of...
01/06/2004
6653409Radical-modified polymer and polymer composition containing the same
A radical-modified polymer having a free radical compound stable in the presence of oxygen at an ordinary temperature at the end of the molecule thereof or in the molecular chain thereof and a polymer composition containing the same....
11/25/2003
6541543Poly (ethylene glycol) derivatives with proximal reactive groups
An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is bra...
04/01/2003
6465576Fluoroelastomer compositions and articles made therefrom
A fluoroelastomer composition having improved compression set. The fluoroelastomer composition comprises: (1) a fluoroelastomer containing interpolymerized units of at least one perfluoroolefin, at least one perfluorovinyl ether, and a cure site component...
10/15/2002
6437012Low-swelling, macroporous polymer-supported reagents for organic synthesis and purification
A low-swelling, highly crosslinked, macroporous polystyrene resin containing functional groups which are capable of selectively binding to reaction impurities, such as excess reactant or reaction by-products, which are contained in a reaction medium. The ...
08/20/2002
6433100Process for the preparation of polymers containing N-O terminal groups
The invention relates to a process for the preparation of polymers containing N.fwdarw.O terminal groups and to compositions comprising polymers obtained by this process. The process comprises polymerizing by atom transfer radical polymerization (ATRP) an...
08/13/2002
6372855Polymer containing isobutylene as repeating unit and rubber composition containing the same
A modified polybutene(polyisobutylene) containing isobutylene repeating units and having, in the main chain, at the ends, and/or at the side chains of the polymer chain thereof, free radicals stable at a room temperature and in the presence of oxygen, or ...
04/16/2002
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