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Class 528/388 - Inorganic sulfur reactant contains at least one metal atom or contains an ammonium ion


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the inorganic sulfur reactant contains
No. of patents: 479
Last issue date: 12/13/2011


1                      
NumberTitleIssue Date
8076447Poly (arylene sulfide) and production process thereof
A poly(arylene sulfide) having properties that a melt viscosity is 1 to 3,000 Pa·s as measured under conditions of a temperature of 310° C. and a shear rate of 1,216 sec−1, a pH is 7.0 to 12.0 as measured in a mixed solvent of water/acetone (volume ra...
12/13/2011
7834133Production process of poly(arylene sulfide)
A process for producing a poly(arylene sulfide) including a charging step 1 of preparing a charging mixture containing an organic amide solvent, a sulfur source, an alkali metal hydroxide, water and a dihalo-aromatic compound and having a pH of at least 12.5; a firs...
11/16/2010
7767783Poly (arylene sulfide) and production process thereof
A dehydration step is conducted by heating a mixture containing an organic amide solvent and a sulfur source including an alkali metal hydrosulfide, and a part of an overall charged amount of an alkali metal hydroxide as needed. The mixture remaining within the syst...
08/03/2010
7750111Polyarylene sulfide and its production method
A polyarylene sulfide has a narrow molecular weight distribution and a high molecular weight and high purity which is industrially useful, wherein the polyarylene sulfide has a weight average molecular weight of 10,000 or more, and weight loss when heated, ΔWr=(W1â...
07/06/2010
7655748Poly(arylene sulfide) and production process thereof
A poly(arylene sulfide) having properties that a melt viscosity is 1 to 3,000 Pa·s as measured under conditions of a temperature of 310° C. and a shear rate of 1,216 sec−1, a pH is 7.0 to 12.0 as measured in a mixed solvent of water/acetone (volume ra...
02/02/2010
7504476Poly(arylene sulfide) and production process thereof
A dehydration step is conducted by heating a mixture containing an organic amide solvent and a sulfur source including an alkali metal hydrosulfide, and a part of an overall charged amount of an alkali metal hydroxide as needed. The mixture remaining within the syst...
03/17/2009
7317072Process for the production of polyarylene sulfide resins
The present invention is a process for the production of polyarylene sulfide based resin, wherein in washing a polyarylene sulfide based resin with a mixed solvent of an aprotic organic solvent and water in a softened or molten state, the polyarylene sulfide based r...
01/08/2008
7288583Method of content protection with durable UV absorbers
The contents of clear or lightly colored plastic containers or films are protected from ultraviolet radiation by the incorporation of certain UV absorbers of the class of durable benzotriazoles and tris-aryl-s-triazines in the container or film. Contents to be prote...
10/30/2007
7262265High temperature thermoset compositions
A new family of high temperature thermoset resins having high glass transition temperatures and enhanced hygrothermal stability that are synthesized using inexpensive starting materials in essentially a single step process. A trifunctional aromatic, wherein at least...
08/28/2007
7208207Liner for high pressure gas container and high pressure gas container
A liner for a high pressure gas container includes a resin composition containing a polyphenylene sulfide resin and an olefin based resin. The resin composition has a methane gas permeability coefficient of 1.7×10−16 mol·m/m2·s·Pa or smal...
04/24/2007
7160980Polyketones
Method of purifying a polymeric material of a type which includes (A) phenyl moieties; (B) carbonyl and/or sulphone moieties; and; (C) ether and/or thioether moieties. The method includes contacting the polymeric material with a solvent formulation which is at a tem...
01/09/2007
7134666Support for storing, transporting and using devices applying a sealing compound and uses thereof
The invention concerns a support (30) for storing, transporting and using devices (10) for applying a sealing compound onto an element projecting on a surface. The invention is characterised in that it comprises a plurality of said devices borne by a s...
11/14/2006
7115704Method for producing a polyarylene sulfide
This invention provides a method for producing a polyarylene sulfide, comprising the step of bringing a low-hydrated alkali metal sulfide containing respectively 0.05 to less than 0.8 mole of water and an organic amide solvent per mole of the sulfur contained in the...
10/03/2006
7094867Method of continuously cleansing polyarylene sulfide
A polymerizate slurry obtained through a reaction of an alkali sulfide source and an aromatic dihalide compound in an organic polar solvent and comprising polyarylene sulfide particles, a by-produced alkali metal salt and the polar organic solvent, is continuously c...
08/22/2006
7091307Composition for optical material
The present invention relates to a composition for optical materials, comprising (a) a compound having in one molecule at least one structure represented by the following Formula 1: wherein R1 is a sin...
08/15/2006
7090702Continuous treatment system of yarns with process fluids, particularly for their mercerization under tension
A continuous treatment system of yarns with process fluids, particularly for mercerization, wherein a bundle of threads to be treated is put into the reaction with a Venturi nozzle activated with process fluid, which entrains the bundle of yarn with it, and with a s...
08/15/2006
7060785Process for continuous production of branched polyarylene sulfides
A process for continuous production of a branched polyarylene sulfide, which includes pre-polymerizing a sulfur source with a dihalogenated aromatic compound in such a manner that the reaction rate of the dihalogenated aromatic compound is less than 95% so as to pro...
06/13/2006
7057011Continuous resin recovery apparatus and recovery method
The present invention provides a continuous resin recovery method for recovering resin from which foreign matters and volatile components are sufficiently removed and which is highly purified and suitable for optical use. The continuous resin recovery method compris...
06/06/2006
7026439Process for continuous production of polyarylene sulfide
There is disclosed a process for continuously producing a polyarylene sulfide which comprises reacting a sulfur source with a dihalogenated aromatic compound in an aprotic organic solvent, characterized by maintaining the content of the dihalogenated aromatic compou...
04/11/2006
7019494Methods of charging lithium sulfur cells
Disclosed is a method of charging a lithium-sulfur electrochemical cell wherein the lithium-sulfur cell comprises a cathode comprising an electroactive sulfur-containing material, an anode comprising lithium, and a nonaqueous electrolyte. ...
03/28/2006
7018574Process for removing volatile components in polyarylene sulfide
There is disclosed a process for removing volatile components in a polyarylene sulfide resin which is produced by subjecting a sulfur source and a dihalogenated aromatic compound to polymerization reaction in an aprotic organic solvent, comprising using an extruder ...
03/28/2006
7006344Capacitor comprising bis(4-mercaptophenyl) sulfide derivative
The present invention provides a bis(4-mercaptophenyl) sulfide derivative represented by general formula 1. This derivative is a monomer that can form a dielectric film suitable for an electronic component. The present invention further provides a method for produci...
02/28/2006
6960474Method for the treatment of a condition remediable by administration of a selective androgen receptor modulator
Selective androgen receptor modulators (SARMs) having antagonist activity in hormone-dependent tumors while exhibiting no activity or agonist activity against other nontumor tissues containing the androgen receptor as well as methods for identifying, designing and u...
11/01/2005
6946540Method of measuring extent of curing of compacted poly(arylene sulfide)
Disclosed herein is a process for preparing cured arylene sulfide polymers. A first curing vessel comprising a first agitator is used to cure a poly(arylene sulfide) compacted powder. The curing proceeds until the compacted powder reaches a melt flow rate within a t...
09/20/2005
6939942Method of treating by-product salt yielded with polyarylene sulfide
There is disclosed a process for treating a by-product salt of a polyarylene sulfide which comprises subjecting solid matter containing an aprotic organic solvent and the by-product salt that is formed in the case of producing a polyarylene sulfide by polymerization...
09/06/2005
6844415Polymerizable compositions for making thio containing resins including a salt catalyst and process for making thio containing
The polymerizable compositions comprise: A) at least one polyiso(thio)cyanate monomer, and at least one polythiol monomer; or at least one episulfide compound and optionally one or more compounds having two or more functional group...
01/18/2005
6841638Ionic compounds with delocalized anionic charge, and their use as ion conducting components or as catalysts
The invention relates to an ionic compound corresponding to the formula [R1X1(Z1)—Q−—X2(Z2)—R2]m Mm+ in which Mm+ is a cation of valency m, each of ...
01/11/2005
6743890Process for the purification of polyarylene sulfide
Provided is a method of purifying a polyarylene sulfide by washing it with a mixture of an aprotic organic solvent and an alkyl halide, or with a mixture prepared by adding a halogenoaromatic compound having an electron-withdrawing group to an aprotic organic solven...
06/01/2004
6653437Process for producing oxidative cross-linked polyarylene sulfide
A process for producing oxidative cross-linked polyarylene sulfide using a reaction apparatus including a reaction vessel provided with a resin inlet, a gas inlet, a resin outlet, and a gas outlet, and a transverse type heating member having a helical str...
11/25/2003
6646105Process for treating by-product of polyarylene sulfide
There is disclosed a process for treating a by-product salt from a polyarylene sulfide which comprises treating a solid mixture containing an aprotic organic solvent and the by-product salt that is formed in the case of producing the polyarylene sulfide b...
11/11/2003
6600009Process for the preparation of polyarylene sulfide
In the preparation of polyarylene sulfide (PAS) by reacting an alkali metal sulfide with a dihaloaromatic compound in an organic amide solvent to obtain a polyarylene sulfide slurry and subjecting the slurry to acid treatment, an acid or hydrogen salt is ...
07/29/2003
6566488Polyarylensulfide, polyarylensulfide resin composition, method for producing polyarylensulfide
Provided are a polyarylene sulfide having a chloroform soluble content of at most 0.5% by weight and having an inherent viscosity ηinh of from 0.05 to 0.4; a polyarylene sulfide resin composition comprising a polyarylene sulfide and an inorganic filler, ...
05/20/2003
6562900Production process for polyarylene sulfide
Provided is a production process for polyarylene sulfide having a high molecular weight and an excellent heat stability. It is a production process for polyarylene sulfide by reacting a dihalogenoaromatic compound with metal sulfide in a polar solvent, wh...
05/13/2003
6562238Method and apparatus for controlling counter current
In a multistage counter current wash operation wherein an original solvent contained in a cake of polymeric material is displaced with a wash solvent which enters the final stage and progresses forwardly a mathematical model of the counter current wash op...
05/13/2003
6492448Polyarylenesulfide resin composition
A resin composition is provided which composition comprises 100 parts by weight of (A) polyarylene sulfide, and 0.01 to 5.0 parts by weight of (B) a product compound of an element selected from the group consisting of group IIA and group IIB of the period...
12/10/2002
6489437Polyarylene sulfide resin composition
Provided is a polyarylene sulfide resin composition having well-balanced fluidity and mechanical strength. The composition is such that its spiral flow length, x (mm), to give a molding having a thickness of 1 mm and the flexural strength, y (MPa), of the...
12/03/2002
6437024Menthanol extraction of polar organic compounds and modifier compounds from poly(arylene sulfide) polymer and oligomer streams
A process is provided to recover at least one modifier compound and at least one polar organic compound from a poly(arylene sulfide) reaction mixture comprising high molecular weight poly(arylene sulfide), low molecular weight poly(arylene sulfide), cycli...
08/20/2002
6437091Pulse continuous curing of poly(arylene sulfide) polymers
A process is provided for curing poly(arylene sulfide) polymers by achieving and maintaining curing conditions in a cure vessel, then intermittently adding uncured polymer to said cure vessel and intermittently removing polymer from the cure vessel wherei...
08/20/2002
6369191Process for controlling a particle size of polyarylene sulfide and polyarylene sulfide thus produced
A particle size of polyarylene sulfide obtained in polymerization is controlled by a process characterized in that a gaseous phase part of a reactor is cooled or heated after starting decreasing a temperature of a reaction system o an end of precipitation...
04/09/2002
6365274Thermal spray powder incorporating a particular high temperature polymer
Powders of oxidized polyarylene sulfide and powders comprising from 1 to 99% by weight of oxidized polyarylene sulfide and from 1 to 99% by weight of a metal, carbide, ceramic or high temperature polyimide, polyamide imide, polyester imide and aromatic po...
04/02/2002
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