Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8076447 | Poly (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 |
| 7834133 | Production 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 |
| 7767783 | Poly (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 |
| 7750111 | Polyarylene 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 |
| 7655748 | Poly(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 |
| 7504476 | Poly(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 |
| 7317072 | Process 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 |
| 7288583 | Method 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 |
| 7262265 | High 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 |
| 7208207 | Liner 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 |
| 7160980 | Polyketones 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 |
| 7134666 | Support 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 |
| 7115704 | Method 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 |
| 7094867 | Method 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 |
| 7091307 | Composition 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 |
| 7090702 | Continuous 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 |
| 7060785 | Process 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 |
| 7057011 | Continuous 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 |
| 7026439 | Process 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 |
| 7019494 | Methods 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 |
| 7018574 | Process 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 |
| 7006344 | Capacitor 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 |
| 6960474 | Method 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 |
| 6946540 | Method 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 |
| 6939942 | Method 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 |
| 6844415 | Polymerizable 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 |
| 6841638 | Ionic 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 |
| 6743890 | Process 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 |
| 6653437 | Process 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 |
| 6646105 | Process 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 |
| 6600009 | Process 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 |
| 6566488 | Polyarylensulfide, 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 |
| 6562900 | Production 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 |
| 6562238 | Method 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 |
| 6492448 | Polyarylenesulfide 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 |
| 6489437 | Polyarylene 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 |
| 6437024 | Menthanol 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 |
| 6437091 | Pulse 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 |
| 6369191 | Process 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 |
| 6365274 | Thermal 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 |