Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8124663 | Foamed isocyanate-based polymer having improved hardness properties and process for production thereof The invention relates to the surprising and unexpected discovery that a sub-group of phenolic resins (i.e., those which are substantially completely free of ether moieties) is particularly advantageous to confer load building properties to an isocyanate-based foam (... | 02/28/2012 |
| 7619014 | Rigid polyurethane foams for insulation and process for producing same A rigid polyurethane foam having lose density without an increased k-factor can be produced by adding small amounts of butyl alcohol to a polyurethane composition containing an isocyanate, at least one polyol, a catalyst and a gaseous blowing agent. ... | 11/17/2009 |
| 7431794 | Process for producing leather-like sheet A process for producing a leather-like sheet, wherein a skin-like layer composed of a resin composition (C) is formed on top of a fibrous substrate (E), comprising; heating and melting a moisture-curable polyurethane hot-melt resin composition (C) which contains a h... | 10/07/2008 |
| 7393879 | High resilient silicone foam and process for preparing same A method for producing a novel silicone foam by reaction of a polyisocyanate with a silicone oligomer having a plurality of functional end groups with active hydrogens, optionally in the presence of fire-retardants, under foam forming conditions which creates a new ... | 07/01/2008 |
| 7312253 | Insulating thermoplastic foams made with methyl formate-based blowing agents A blowing agent blend for making thermoplastic polymer foams comprises methyl formate. The blowing agent blend can further comprise at least one co-blowing agent. The co-blowing agent is either a physical co-blowing agent (e.g. an inorganic agent, a hydrocarbon, a h... | 12/25/2007 |
| 7288211 | Hydrofluorocarbon blown foam and method for preparation thereof The invention relates to the addition of α-methyl styrene, isobutanol and/or isopropanol to reduce vapor pressure, improve k-factor, enhance the solubility of the blowing agent in the premix and/or improve the processing characteristics of polyurethane and polyisoc... | 10/30/2007 |
| 7262227 | Process for producing synthetic resin foam, blowing agent and premix The present invention relates to a process for producing a synthetic resin foam which comprises reacting at least one polyol with at least one polyisocyanate compound in the presence of an organic blowing agent, wherein the organic blowing agent is a blowing agent f... | 08/28/2007 |
| 7240384 | Method of repositioning immobile patient in bed using patient positioning aid The patient positioning aid assists a caregiver in rotating and positioning immobile patients. Such patients require periodic movement to prevent the development of ulcers. Conventional methods use rolled blankets or pillows to support such patients. Such improvizat... | 07/10/2007 |
| 7230037 | Method for mixing a polyol component and an isocyanate component The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction mixture in a stirrer mixer with an axially conveying stirrer. ... | 06/12/2007 |
| 7214294 | Azeotrope-like compositions of pentafluoropropane and water This invention provides azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and water that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous di... | 05/08/2007 |
| 7183331 | Method for producing a rigid polyurethane foam A method for producing a rigid polyurethane foam, which comprises reacting a polyol with a polyisocyanate in the presence of an amine catalyst and a blowing agent, wherein as the amine catalyst, at least one amine compound having at least one type of substituent sel... | 02/27/2007 |
| 7169339 | Method for producing polymethacrylimide foams The invention relates to an improved method for producing foamed material, especially poly(meth)acrylimide foams, which are foamed from polymer plates produced according to the casting method. The two-step method consists of a pre-heating step and at least one foami... | 01/30/2007 |
| 7138044 | Aqueous dispersions of polymerizable reactants and a water incompatible catalyst sorbed on an inorganic particulate carrier and polymers produced thereby Aqueous compositions containing polymerizable components and a water incompatible catalyst for the polymerization reaction sorbed onto an inorganic particulate carrier, polymers produced thereby and articles coated with said polymers are provided. The invention also... | 11/21/2006 |
| 7132459 | Moulded bodies made from a polyurethane material, production and use thereof The invention relates to a method for the production of polyurethane-based technical formed parts, commodity goods and objects, preferably consisting of (meth)acrylate containing isocyanate and hydroxy groups and at least 0.5 mMol/g reactive double bonds that can be... | 11/07/2006 |
| 7122135 | Blend of organophosphorus flame retardant, lactone stabilizer, and phosphate compatibilizer A flame retardant blend, suitable for incorporation into a polyurethane foam, comprises: an oligomeric organophosphourus flame retardant, preferably an organophosphate, having a phosphorus content of no less than about 10%; a benzofuran-2-one stabilizer; and a monom... | 10/17/2006 |
| 7087657 | Stable polyol dispersions, polyurethane moldings produced therefrom, and their use The present invention relates to polyol dispersions with long-term stability, to cellular polyurethane moldings produced therewith, to processes for their preparation and to their use. ... | 08/08/2006 |
| 7074880 | Polyimide aerogels, carbon aerogels, and metal carbide aerogels and methods of making same A preparation process of polyimide aerogels that composed of aromatic dianhydrides and aromatic diamines or a combined aromatic and aliphatic diamines is described. Also descried is a process to produce carbon aerogels derived from polyimide aerogel composed of a ri... | 07/11/2006 |
| 6933333 | Conductive adhesive sealant for bipolar fuel cell separator plate assemblies A conductive adhesive sealant comprising vinyl ester resin or polyester resin, graphite powder, peroxide free-radical initiator, milled carbon fiber, and a quinone-based inhibitor such as para benzoquinone. ... | 08/23/2005 |
| 6921779 | Blowing agent enhancers for polyurethane foam production Rigid polyurethane blowing agent enhancers, methods for using them, and the products produced by these methods are disclosed. The enhancers are low molecular weight alcohols and/or ethers that assist the action of blowing agents comprising a hydrohalocarbon compound... | 07/26/2005 |
| 6903149 | Composition for wood-polymer composite and wood-polymer composite made from the composition The present invention provides a composition for wood-polymer composites containing a thermoplastic resin, wood flour and a polyol ester compound having not less than one hydroxyl group esterified with fatty acid, and a wood-polymer composite made from this composit... | 06/07/2005 |
| 6890966 | Process for the production of a lightweight cold urethane In a process for the production of a lightweight cold urethane wherein raw materials are injected into a mold in one shot, diethanolamine is added in an amount of 0.1 to 2.0 parts by weight per 100 parts by weight of the polyol. When principal raw materials includin... | 05/10/2005 |
| 6861452 | Composition for production of flame-retardant flexible polyurethane foams The present invention provides a composition for flame-retardant flexible polyurethane foam comprising: (i) a polyol component; (ii) a polyisocyanate component; (iii) a halogen-free phosphate ester that meets the following conditions (a) to (d), and that contains at... | 03/01/2005 |
| 6855741 | Composition for use in flexible polyurethane foams A plasticizer with a crosslinking/chain extending agent is incorporated into a water-blown flexible polyurethane foam formulation to provide acceptable softness, openness, and tensile strength characteristics. The class of plastisizers is selected from the group con... | 02/15/2005 |
| 6818674 | Elastic member and image formation equipment There are disclosed an elastic member which comprises (A) polyurethane foam obtained by agitationally mixing a foaming agent, a foam stabiizer and a urethane prepolymer synthesized from a polyol and a polyisocyanate in the presence of a modified silicone, or (B) pol... | 11/16/2004 |
| 6790820 | Compositions of hydrofluorocarbons and trans-1,2-dichloroethylene The present invention provides compositions comprising an HFC component and a non-HFC component consisting essentially of methanol, having boiling points that are unexpectedly low and relatively constant, and uses thereof. ... | 09/14/2004 |
| 6790871 | Isocyanate-based polymer foam and process for production thereof A flexible isocyanate-based polymeric foam which has: (i) low resiliency; (ii) a Tg less than or equal to about 0° C.; and (iii) a change in tan δ less than or equal to about 35% from a median value measured over a temperature range of from about −20° to about ... | 09/14/2004 |
| 6787575 | Method for processing a mineral fillers with a phosphate, said fillers and their uses The invention relates to the technological sector of mineral fillers used in the sector which manufactures polyurethane foams and in particular fillers of the carbonate, hydroxide, silicate, sulphate type and similar mineral fillers. The invention relates in ... | 09/07/2004 |
| 6777456 | Method for producing a rigid polyurethane foam A method for producing a rigid polyurethane foam, which comprises reacting a polyol with a polyisocyanate in the presence of an amine catalyst and a blowing agent, wherein as the amine catalyst, at least one amine compound having at least one type of substituent sel... | 08/17/2004 |
| 6777382 | Compositions of hydrofluorocarbons and methanol The present invention provides compositions comprising an HFC component and a non-HFC component consisting essentially of methanol, having boiling points that are unexpectedly low and relatively constant, and uses thereof. ... | 08/17/2004 |
| 6767929 | Process for producing polyurethane A catalyst for producing a polyurethane, comprising a dialkylaminoalkyl alcohol represented by the formula (I): R1R2N—X—OH (I) wherein each of R1 and R2 is independently an alkyl g... | 07/27/2004 |
| 6765032 | Treated mineral fillers suspensions of these fillers in polyols and their uses in polyurethane foams Method for the treatment of mineral fillers using organic phosphate treatment agents. Treated mineral fillers obtained by said method and suspension of these treated mineral fillers in polyols. Use of these suspensions in the manufacture of flexible, semirigid, or r... | 07/20/2004 |
| 6753356 | Foaming compositions Use as foaming agents having a low environmental impact of azeotropic or near azeotropic compositions using difluoromethoxy-bis(difluoromethyl ether) and/or 1-difluoromethoxy-1,1,2,2-tetrafluoroethyl difluoromethyl ether. ... | 06/22/2004 |
| 6676849 | Low yellowing scorch inhibitor composition A scorch inhibitor composition for use an additive in the manufacture of polyurethane foams is based on a derivatized phenol, 4-tertbutyl catechol, and optionally, phenothiazine. The derivatized phenol is a di-tert-butyl phenol, preferably a 2,6 tert-buty... | 01/13/2004 |
| 6670405 | Method for producing block-shaped polymethacrylimide foamed materials The invention relates to a method for producing block-shaped and plate-shaped polymethacrylimide foamed materials by copolymerizing methylacrylic acid and methylacryl nitrile, by subjecting the copolymerizate to a post-polymerization and cyclization in or... | 12/30/2003 |
| 6660780 | Molecularly-imprinted material made by template-directed synthesis A method of making a molecularly imprinted porous structure makes use of a surfactant analog of the molecule to be imprinted that has the imprint molecule portion serving as the surfactant headgroup. The surfactant analog is allowed to self-assemble in a ... | 12/09/2003 |
| 6653361 | Flame retardant polyurethane composition and method of manufacture thereof A polyurethane foam or elastomer comprises an organic polyisocyanate component, an active hydrogen-containing component reactive with the polyisocyanate component, wherein the viscosity of this component is less than about 500 cP at room temperature, a ca... | 11/25/2003 |
| 6617365 | Use of silicon-polyether copolymers in the production of high resilience polyurethane foams The invention relates to the use of silicone-polyether copolymers of the formula I ##STR1## as surface-active substances in the production of polyurethane foams.... | 09/09/2003 |
| 6586487 | Low-density, water blown polyurethane foams for energy-absorbing applications A method for making an energy-absorbing foam having a density that is less than about 7 pcf that exhibits excellent strength properties and that is particularly suitable for automobile bumper applications. The invention is also directed to the energy-abso... | 07/01/2003 |
| 6586485 | Production of flexible polyurethane foams In a process for producing flexible polyurethane foams by the reaction known per se of polyisocyanates with compounds containing at least two hydrogen atoms which react with isocyanate, the reaction is carried out in the presence of cyclic or heterocyclic... | 07/01/2003 |
| 6583191 | Molecularly-imprinted material made by template-directed synthesis A method of making a molecularly imprinted porous structure makes use of a surfactant analog of the molecule to be imprinted that has the imprint molecule portion serving as the surfactant headgroup. The surfactant analog is allowed to self-assemble in a ... | 06/24/2003 |
