Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7638597 | Removal of metal contaminants from polyethylene A process to remove metal contaminants from a hydrocarbon solution of polyethylene is disclosed. The process comprises adding a primary alcohol and a β-diketone to a solution of polyethylene at a temperature within the range of 120° C. to 300° C. and contacting t... | 12/29/2009 |
| 7550556 | Highly stable resin, hardenable resin composition, production method therefor, color filter and liquid crystal panel The present invention is to prevent the rapid viscosity rise generated at the time of dissolving or dispersing in a solvent a polymer obtained by reacting a material polymer having an acidic functional group and a hydroxyl group in the principal chain part with an i... | 06/23/2009 |
| 7446167 | Catalyst deactivation agents and methods for use of same A method of deactivating a polymerization catalyst system comprising contacting the catalyst system with a catalyst deactivation agent wherein the catalyst system comprises an alkyl aluminum cocatalyst and the reaction of the catalyst system and catalyst deactivatio... | 11/04/2008 |
| 7442759 | Water-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 |
| 7405266 | Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof The invention provides a sterically hindered polymer that comprises a water-soluble and non-peptidic polymer backbone having at least one terminus covalently bonded to an alkanoic acid or alkanoic acid derivative, wherein the carbon adjacent to the carbonyl group of... | 07/29/2008 |
| 7378453 | Surface crosslinking treatment method of water-absorbing resin powder A surface crosslinking treatment method of a water-absorbing resin powder is disclosed that can overcome various problems in production encountered in the production of surface crosslinked water-absorbing resin powders on an industrial scale and can produce a water-... | 05/27/2008 |
| 7348390 | Stable dispersion concentrates The invention provides stable dispersion concentrates comprising: I) 5 to 80% by weight, preferably 10 to 80% by weight, particularly preferably 20 to 60% by weight, especially preferably 30 to 40% by weight, of a polymer which, in... | 03/25/2008 |
| 7348395 | Synthesis 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 |
| 7342085 | Synthesis 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 |
| 7342088 | Method for precipitation of polyphenylene ether Method for precipitating polyphenylene ether which decreases fine particles therein and reduces periodic fluctuations in particle size. Method provides homogeneous polyphenylene ether particles. Polyphenylene ether particles are precipitated using mixed solution com... | 03/11/2008 |
| 7321020 | Polycondensation products and a process for their preparation The invention relates to the polycondensation products produced by reaction of bisphenol residues from bisphenol production with an aldehyde in an acidic medium useful for the production of refractory molded bodies, of unmolded substances used in the refractory indu... | 01/22/2008 |
| 7288218 | Deaggregated 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 |
| 7259231 | Extraction and fractionation of biopolymers and resins from plant materials A method for the extraction, separation, fractionation and purification of biopolymers from plant materials using supercritical and/or subcritical solvent extractions is disclosed. Specifically, the process can be used for the separation of resins and rubber from gu... | 08/21/2007 |
| 7253253 | Method of removing contaminants from plastic resins A method for removing contaminants from synthetic resin material containers using a first organic solvent system and a second carbon dioxide system. The organic solvent is utilized for removing the contaminants from the synthetic resin material and the carbon dioxid... | 08/07/2007 |
| 7250486 | Method and apparatus for crystallizing polymer particles The present invention is a process and apparatus for conserving loss of heat while forming and crystallizing polymer particles in a liquid. The cooling liquid quenches the polymer during particle molding to facilitate shaping. The cooling liquid cools the polymer pa... | 07/31/2007 |
| 7250534 | Performance of energy storage devices: potential areas for dendritic chemistry involvement A compound consists of a fractal-like, plain or organometallic array useful for energy storage devices. A dendrimer useful in the synthesis of the fractal-like compound includes a single ligating moiety bound to a surface of each quadrant of the dendrimer. A method ... | 07/31/2007 |
| 7247590 | Composite dielectric, composite dielectric sheet, composite dielectric paste, metal-layered composite dielectric, wiring board and multilayer wiring board The composite dielectric of the present invention contains an aromatic liquid crystal polyester and a dielectric ceramic powder arranged in the aromatic liquid crystal polyester, wherein the dielectric ceramic powder exhibits a Q value greater than 650 at a frequenc... | 07/24/2007 |
| 7223471 | Polytrimethylene terephthalate resins with improved properties A composition comprising Polytrimethylene terephthalate (PTT) with a reduced emission of acrolein is obtained by contacting Polytrimethylene terephthalate (PTT) resin with an effective amount of a melt stable, organic stabilizing compound. Such PTT resin has an acro... | 05/29/2007 |
| 7223807 | High dielectric resin composition An object of the present invention is to provide a resin composition which is capable of manufacturing a high dielectric resin film having high dielectric constant and small dielectric loss tangent. And the present invention provides high dielectric resin compositio... | 05/29/2007 |
| 7183372 | Preparation of ketone-formaldehyde resins A process for preparing ketone-formaldehyde resins, especially acetophenone- and cyclohexanone-formaldehyde resins, having a low water content and high thermal stability and yellowing resistance, and a process for their production and their use. ... | 02/27/2007 |
| 7173104 | Products, especially moulding materials of polymers containing triazine segments, method for the production thereof and uses of the same The invention relates to products, especially moulding materials of polymers containing triazine segments and consisting of mixtures of meltable 4–18 ring oligotriazine ethers which are soluble in highly polar solvents, and in which the triazine rings are predomin... | 02/06/2007 |
| 7153928 | Method for producing polyhydroxyalkanoate crystal The present invention provides a method for easily obtaining a biodegradable polyhydroxyalkanoate by a solvent extraction method. A method for producing a polyhydroxyalkanoate crystal comprises mixing a solution of a polyhydroxyalkanoate in a good solvent with a poo... | 12/26/2006 |
| 7153902 | High solids emulsions of elastomeric polymers Water-continuous emulsion of elastomeric polymers are disclosed having a solids content of greater than 75%, an average particle size less than 5 μm, and having sufficient stability to produce a stable lower solids emulsion upon dilution with water comprising; an e... | 12/26/2006 |
| 7151158 | Method of preparing a poly(arylene ether), apparatus therefor, and poly(arylene ether) prepared thereby A method of precipitating a poly(arylene ether) includes combining a poly(arylene ether) solution with an antisolvent at a shear rate of greater than 50,000 sec−1. The high shear mixing conditions produce a poly(arylene ether) dispersion in which the po... | 12/19/2006 |
| 7148296 | Capped poly(arylene ether) composition and process A thermoset composition exhibiting reduced water absorption in the cured state includes an olefinically unsaturated monomer and a capped poly(arylene ether) prepared by the reaction of an uncapped poly(arylene ether) with an anhydride capping agent. The capped poly(... | 12/12/2006 |
| 7118897 | Process for the extraction of polyhydroxyalkanoates from biomass The invention relates to processes for extracting polyhydroxyalkanoate from a biomass, comprising admixing the biomass with an organic solvent for from 1 second to 15 minutes at a first temperature of from 5° C. below the melting point of the polyhydroxyalkanoate t... | 10/10/2006 |
| 7112652 | Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers This invention relates to solvents which may be used to extract polymers that are made of hydrophilic and hydrophobic monomers. ... | 09/26/2006 |
| 7098298 | Method for producing polyhydroxyalkanoate crystal The present invention provides a method for conveniently obtaining a biodegradable polyhydroxyalkanoate by a solvent extraction method. A method for producing a polyhydroxyalkanoate crystal comprises precipitating a polyhydroxyalkanoate crystal using a monohydric al... | 08/29/2006 |
| 7087707 | Synthesis 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 |
| 7064149 | Process for preparing polymer latex resin powder The present invention relates to a process for preparing polymer latex resin powder, and particularly to a process for preparing polymer latex resin powder including coagulating polymer latex and aging the polymer latex. The process further includes introducing an e... | 06/20/2006 |
| 7060788 | Process for stripping monomers and other volatile constituents from polymer melts A process for stripping volatile constituents from polymer melts is disclosed. The process entails introducing the polymer melt into a horizontally oriented cylindrical device that contains a plurality of perforated disks rotating about a common horizontally oriente... | 06/13/2006 |
| 7053174 | Polythiophenes Polythiophenes which are soluble or dispersible in anhydrous or low-water-content solvents can be prepared if they are prepared in anhydrous or low-water-content solvents and a phase-transfer catalyst is added during the reaction. ... | 05/30/2006 |
| 7049394 | Method for preparing free flow resin The present invention provides a method for producing a free flowing and/or non clumping resin that includes prior to drying, shrinking the resin under agitation. In one variant of the invention, the is a resin used in solid phase synthesis of peptides. In another a... | 05/23/2006 |
| 7041772 | Method for producing benzoxazine resin The present invention discloses a process for producing a benzoxazine resin which comprises the steps of reacting a phenol compound, an aldehyde compound and a primary amine in the presence of an organic solvent to synthesize a benzoxazine resin and removing generat... | 05/09/2006 |
| 7022813 | Process for purifying and reusing solvent used to remove extractables A process for treating biomedical devices, especially contact lenses, involves contacting polymeric devices containing extractables with a solvent that dissolves and thereby removes the extractables from the device, treating the solvent to remove extractables from t... | 04/04/2006 |
| 7022413 | Aromatic liquid crystalline polyester film The present invention provides an aromatic liquid crystalline polyester film excellent in the adhesion property to a substrate. Such film is obtained by an aromatic liquid crystalline polyester film obtained by casting an aromatic liquid crystalline polyester soluti... | 04/04/2006 |
| 7019106 | Lactic acid polymer and process for producing the same A process for producing a lactic acid polymer of 15,000 to 50,000 in weight-average molecular weight, the content of polymeric materials having not more than about 5,000 in weight-average molecular weight therein being not more than about 5% by weight, characterized... | 03/28/2006 |
| 6998465 | Process for producing boric ester compound, electrolyte for electrochemical device, and secondary battery A process for producing a boric acid ester compound which comprises esterifying a compound represented by the formula (1): X—[O(AO)n—H]a (1) wherein X represents a group independently selected from a residue of a co... | 02/14/2006 |
| 6987150 | Modified sulfonamide polymers The invention provides secondary sulfonamide polymers, wherein some, most, or all of the sulfonamido protons have been replaced with a substituent other than hydrogen. The invention also provides methods for preparing such polymers as well as devices (e.g. composite... | 01/17/2006 |
| 6984716 | Phosphorus-containing compound A phosphorus-containing compound represented by formula (I) and a preparation method thereof are provided. An addition reaction is performed for an organic cyclic phosphorus compound with an aryl aldehyde compound, and then a condensation reaction is performed with ... | 01/10/2006 |
