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Class 528/488 - Contacting with alkali (Li, Na, K, Rb, Cs, Fr) or alkaline earth (Be, Mg, Ca, Sr, Ba) metal or compound thereof


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Processes wherein the polymer or polymer-containing material
No. of patents: 341
Last issue date: 11/08/2011


1                  
NumberTitleIssue Date
8053550Process for the purification from heavy metals of vinyl chloride polymers
Process for the purification of a vinyl chloride polymer (PVC) comprising at least one compound of a heavy metal, according to which: (a) the PVC is dissolved in a water-miscible polar organic solvent; (b) an aqueous solution comprising a reagent, which is either a ...
11/08/2011
7816052Portion conductive electrolyte, method of preparing the same, electrode for fuel cell, method of manufacturing the electrode, and fuel cell including the same
A proton conductive electrolyte including a polymerized polyurethane, polyethylene(metha)acrylic acid (PEAA), and a cross-linking agent mixture; a method of preparing the same; an electrode including a support and a catalyst layer, the catalyst layer including a sup...
10/19/2010
7442759Water-soluble polythiophene polymers
The invention provides a water-soluble polymer having formula I: where R1 and R2 are independently —H, -alkylCO2A, —(CH2)n-aryl-(CH2)nCO2...
10/28/2008
7439317Amorphous polyester chip and method for production thereof, and method for storage of amorphous polyester chip
An amorphous polyester chip having superior processing ability is characterized by a moisture content of not more than 300 ppm and a fine particle content of not more than 500 ppm. A preferred embodiment is a copolymerized polyester chip comprising a main repeating ...
10/21/2008
7365146Substituted polyphenylenes via supported transition metal catalysis
Substituted polyphenylenes and methods for producing such substituted polyphenylenes using supported transition metal catalysis are provided. ...
04/29/2008
7348395Synthesis of oligomeric cyanate esters
A cyanate ester system is disclosed. An aryl ether oligomer may be made from a dihydroxyaromatic compound and a dihaloaromatic compound in the presence of a base. The oligomer is then reacted with a cyanide compound in the presence of a base to form the cyanate este...
03/25/2008
7342085Synthesis of oligomeric cyanate esters
A cyanate ester system is disclosed. An aryl ether oligomer may be made from a dihydroxyaromatic compound and a dihaloaromatic compound in the presence of a base. The oligomer is then reacted with a cyanide compound in the presence of a base to form the cyanate este...
03/11/2008
7341142Elastomer composite materials in low density forms and methods
A bale of elastomer composite is formed of elastomer and filler, the bale having a void volume of at least 3%. In another aspect, a container is provided, at least a portion of the container being occupied by elastomer composite pieces of elastomer and filler, where...
03/11/2008
7309758Polybenzimidazole compounds, polymeric media, and methods of post-polymerization modifications
A PBI compound includes imidazole nitrogens at least a portion of which are substituted with a moiety containing a carbonyl group, the substituted imidazole nitrogens being bonded to carbon of the carbonyl group. At least 85% of the nitrogens may be substituted. The...
12/18/2007
7309743Fluorine-containing elastomer and composition thereof for crosslinking
To provide a novel crosslinking system of fluorine-containing elastomer giving a crosslinked product particularly having improved mechanical strength and compression set at high temperature. A fluorine-containing rubber composition comprising a fluorine-containing e...
12/18/2007
7301003Method of preparing polymers having terminal amine groups
The present invention is directed to methods of preparing linear polymers such as polyalkylene oxides containing a terminal amine in high purity. One preferred method includes reacting a polyalkylene oxide such as polyethylene glycol containing a terminal azide with...
11/27/2007
7288218Deaggregated electrically conductive polymers and precursors thereof
Deaggregated substituted and unsubstitued polyparaphenylenes, polyparaphenylevevinyles, polyanilines, polyazines, polythiophenes, poly-p-phenylene sulfides, polyfuranes, polypyrroles, polyselenophene, polyacetylenes formed from soluble precursors and combinations th...
10/30/2007
7276574Process for producing vinyl polymer
The present invention provides a method for producing a vinyl polymer including the steps of polymerizing a vinyl monomer by atom transfer radical polymerization with a transition metal complex as a polymerization catalyst, and bringing the resultant vinyl polymer i...
10/02/2007
7265196Controlled crosslinked polyaryletherketone material with improved properties and a process by producing the same
The present invention relates to a controllable crosslinking polyaryletherketone with improved properties such as stiffness, heat resistance, and stability as shown by any one of the following structures: ...
09/04/2007
7259230Polybenzimidazole compounds, polymeric media, and methods of post-polymerization modifications
A PBI compound includes imidazole nitrogens at least a portion of which are substituted with an organic-inorganic hybrid moiety. At least 85% of the imidazole nitrogens may be substituted. The organic-inorganic hybrid moiety may be an organosilane moiety, for exampl...
08/21/2007
7256316Fluorine-containing vinyl ethers, their polymers, and resist compositions using such polymers
A fluorine-containing vinyl ether represented by formula 1, wherein R represents an organic group containing at least one fluorine atom and a cyclic structure is provided. A fluorine-containing copolymer containi...
08/14/2007
7241855Method for the manufacture of polyesters
A method is described for the manufacture of polyesters of aromatic dicarboxylic acids with aliphatic and/or cycloaliphatic dials, in which an aromatic dicarboxylic acid in the presence of a monocarboxylic acid or a mixture of a monocarboxylic acid present in a satu...
07/10/2007
7238771Dibenzodiazocine polymers
Dibenzodiazocine polymers, methods for producing dibenzodiazocine polymers, products formed from dibenzodiazocine polymers, and uses for such dibenzodiazocine polymers are provided. ...
07/03/2007
7226987Aromatic polymer phosphonic acid derivative and process for production the same
Provided is an aromatic polymer phosphonic acid derivative in which a phosphonic acid derivative group is directly bound to aromatic ring. Said aromatic polymer phosphonic acid derivative can be produced by brominating a specific aromatic polymer compound with a bro...
06/05/2007
7223829Polyketone solution
A solution of a polyketone as a copolymer of carbon monoxide and one or more olefins, wherein 90 wt % or more of said copolymer comprises carbon monoxide units and olefin units, and a solvent is an aqueous solution of at least one member selected from the group cons...
05/29/2007
7217824Process for preparing a 4,7-bis(5-halothien-2-yl)-2,1,3-benzothiadiazole and a precursor therefor
The present invention is directed to a method for preparing a 4,7-bis(5-halothien-2-yl)-2,1,3-benzothiadiazole, more particularly, 4,7-bis(5-bromothien-2-yl)-2,1,3-benzothiadiazole, and a precursor therefor, namely, a 4,7-bis(thien-2-yl)-2,1,3-benzothiadiazole. The ...
05/15/2007
7217781Polyphosphazenes including ionic or ionizable moieties and fluorine-containing moieties
A polyphosphate polymer which includes both (i) ionic or ionizable moieties; and (ii) fluorine-containing moieties. Such polymers may be used as matrices for pharmaceuticals, as multilayer coatings for fuel cell membranes, as dopant for electrically conductive polym...
05/15/2007
7217780Polyether ketone and method of producing the same
There are disclosed, a polyether ketone having a primary particle size of 50 μm or less; and a method of producing a polyether ketone by a desalting polycondensation, which contains a step of conducting a polymerization reaction under a condition of deposition of t...
05/15/2007
7189795Poly(arylene ether)s bearing grafted hydroxyalkyls for use in electrically conductive adhesives
A poly(arylene ether) polymer includes polymer repeat units of the following structure: —(O—Ar1—O—Ar2)m—(O—Ar3—O—Ar4)n— where Ar1, Ar2, Ar
03/13/2007
7179878Poly(arylene ether) polymer with low temperature or UV crosslinking grafts and dielectric comprising the same
Poly(arylene ether) polymers are provided having polymer repeat units of the following structure: wherein Ar1, Ar2, Ar3, and Ar4 are identical or different aryl radical...
02/20/2007
7179854Phosphite additives in polyolefins
A polyolfin composition having high resistance to degradation is formed of at least one polyolefin component, bis(2,4dicumylphenyl)pentaerythritol diphosphite, triisopropanolamine, a hydrotalcite component, and at least one phenol component. ...
02/20/2007
7138484Method for producing polymerized hydrocarbon
A method for producing a polymerized hydrocarbon includes a step of a dehalogenation of a halogenated hydrocarbon with a magnesium-diene complex. Low-molecular-weight compounds, such as dimers or trimers of hydrocarbon units, oligomers of hydrocarbon units, or polym...
11/21/2006
7135537Sulfonimide-containing poly(arylene ether)s and poly(arylene ether sulfone)s, methods for producing the same, and uses thereof
The present invention is directed to sulfonimide-containing polymers, specifically sulfonimide-containing poly(arylene ether)s and sulfonimide-containing poly(arylene ether sulfone)s, and processes for making the sulfonimide-containing poly(arylene ether)s and sulfo...
11/14/2006
7135503Method for reclaiming polyester or polyester mixtures
The invention relates to a method for reclaiming polyesters or polyester mixtures from polyester or waste containing polyester. The aim of the invention is to reclaim polyesters or polyester mixtures of good quality in a cost-effective manner. To achieve this aim, t...
11/14/2006
7129323Bimolecular nucleation methods for thermoplastics
Specific methods of inducing high nucleation rates in thermoplastics, such as polyolefins, and particularly, though not necessarily, polypropylenes, through the introduction of two different compounds that are substantially soluble within the target molten thermopla...
10/31/2006
7115706Polyether polymers and compositions derived therefrom
Polyether polymers providing a backbone substituted at intervals with electron stabilizing groups containing electron withdrawing groups are described. The polymers capture electrons and are electronegative. The polymers act to solvate alkali metals so that electron...
10/03/2006
7098299Separation of contaminants from polyester materials
The present invention is generally directed to a process for separating and recovering post-consumer polyester from various contaminant materials. The invention can be utilized to separate post-consumer polyester from various contaminants including glass, dirt, pape...
08/29/2006
7087707Synthesis of oligomeric cyanate esters
A cyanate ester system is disclosed. An aryl ether oligomer may be made from a dihydroxyaromatic compound and a dihaloaromatic compound in the presence of a base. The oligomer is then reacted with a cyanide compound in the presence of a base to form the cyanate este...
08/08/2006
7074727Process for improving dielectric properties in low-k organosilicate dielectric material
Low-k organosilicate dielectric material can be exposed to a series of reagents, including a halogenation reagent, an alkylation reagent, and a termination reagent, in order to reverse degradation of dielectric properties caused by previous processing steps. ...
07/11/2006
7074877Resin for use in manufacturing wet friction materials, manufacturing method thereof and wet friction material
A resin for use in manufacturing wet friction materials which contributes to enhancing durability of manufactured wet friction materials, a manufacturing method thereof, and a wet friction material having excellent durability are provided. The resin for use in manuf...
07/11/2006
7072439X-ray tube and method and apparatus for analyzing fluid streams using x-rays
A technique for analyzing fluids by means of x-ray fluorescence applicable to any fluid, including liquids and gases, which emit x-ray fluorescence when exposed to x-rays. The apparatus includes an x-ray source (82) including an x-ray tube (64) having ...
07/04/2006
7067608Process for preparing branched polyarylene ethers
Disclosed is a process for preparing branched polyarylene ether polymers by (A) providing a reaction mixture comprising (i) a polyfunctional phenol compound of the formula Ar(OH)x wherein x≧3 and wherein Ar is an aryl moiety or an alkylaryl moiety, prov...
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
7049393Techniques for the preparation of highly fluorinated polyethers
A process for preparing a fluorinated poly(arylene ether) comprising the repeating unit: wherein n provides a molecular weight up to about 30,000 to 100,000, X represents one of following groups: none, ketone, su...
05/23/2006
7037991TFE copolymers
Copolymers formed by TFE and FMVE containing FMVE in percent by moles from 2.5% to 8%; the % TFE moles being the complement to 100% of the FMVE moles. ...
05/02/2006
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