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| Number | Title | Issue Date |
| 7897652 | Polyurethane composition useful as shock absorbers and a method for their preparation A polyurethane foam composition comprising at least: at least one polyether polyol having an average molecular weight from 100-20,000; an aromatic polyisocyanate; a tackifying resin; a surfactant; a blowing agent, and a catalyst. A method for preparation of a polyur... | 03/01/2011 |
| 7332224 | Cleaning article containing hydrophilic polymers The invention relates to a cloth that can function as a moisturizing cleanser. When the cloth is moistened with water, it works up into a warm, sudsy cleansing lotion that feels great and works well as a facial cleansing cloth. The cloth contains water, at least one... | 02/19/2008 |
| 7238730 | Viscoelastic polyurethane foam The subject invention provides a viscoelastic polyurethane foam being flame retardant and having a density of greater than two and a half pounds per cubic foot that comprises a reaction product of an isocyanate component, an isocyanate-reactive blend, and a chain ex... | 07/03/2007 |
| 7141613 | Flame resistant rigid foams and formulations for the production thereof The invention relates to flame resistant rigid foams and formulations useful for the production thereof. The polyol formulation must include at least one substance which is inert with respect to isocyanates, does not deplete the ozone layer and has a boiling point b... | 11/28/2006 |
| 6946190 | Thermal management materials A thermally-conductive compound for forming a layer which is conformable between a first heat transfer surface and an opposing second heat transfer surface to provide a thermal pathway therebetween. The compound is an admixture of a thermal grease component and a di... | 09/20/2005 |
| 6750265 | Prepolymer compostion for insulating foams A prepolymer composition for producing polyurethane insulating foams with fire-retardant properties from pressure tanks which consists of a prepolymer component with at least one PU prepolymer with a content of NCO groups of 4 to 20 wt % and usual additives, as well... | 06/15/2004 |
| 6730713 | Creation of epoxy-based foam-in-place material using encapsulated metal carbonate The invention and formulation relates to methods, materials, and products for foam-in-place materials comprising a two-component foam-in-place structural material for producing a foamed product. A first component of the system includes an epoxy-based resin preferabl... | 05/04/2004 |
| 6552097 | Prepolymer compositions for insulating foams A prepolymer composition for producing polyurethane insulating foams from pressure tanks which consists of a prepolymer component with at least one PU prepolymer with a content of NCO groups of 4 to 20 wt % and usual additives, as well as a propellant com... | 04/22/2003 |
| 6498198 | Fill for pillows and cushions A fill for cushions that includes a quantity of resilient beads and a quantity of gelatinous particles. The resilient beads are deformable and have shape memory. The gelatinous particles are elongatable and deformable. The gelatinous particles are tacky a... | 12/24/2002 |
| 6495611 | Polyisocyanate polyaddition products The polyisocyanate polyaddition products comprise hydrophobic compounds plus at least one further compound selected from the group consisting of: (i) organic, cyclic compounds having a molecular weight of from 200 to 3000 g/mol, (ii) salts of metals of tr... | 12/17/2002 |
| 6465534 | Elastic sponge A sponge including an elastic material having a lipid, such as an oil, a fat, or a combination thereof, integrally formed therewith. The elastic material includes an amount from between 0.5 to 20 parts by weight of the lipid, and the lipid is selected fro... | 10/15/2002 |
| 6265456 | Hydrosilation in high boiling natural oils An improved process is provided for the preparation of siloxane-oxyalkylene and siloxane-alkyl copolymer compositions via a hydrosilation reaction in the presence of high boiling point natural vegetable oils as the reaction solvent. The reaction solvent n... | 07/24/2001 |
| 6080800 | Aqueous wax dispersions as cell openers in making polyurethane flexible foams A method for preparing a flexible or semi-flexible polyurethane foam by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a silicone surfactant, and a cell opening additive characte... | 06/27/2000 |
| 6071977 | Hydrosilation in high boiling natural vegetable oils An improved process is provided for the preparation of siloxane-oxyalkylene and siloxane-alkyl copolymer compositions via a hydrosilation reaction in the presence of high boiling point natural vegetable oils as the reaction solvent. The reaction solvent n... | 06/06/2000 |
| 6054499 | Prepolymer composition for insulating foams A prepolymer composition for producing polyurethane insulating foams from pressure tanks which consists of a prepolymer component with at least one PU prepolymer with a content of NCO groups of 4 to 20 wt % and usual additives, as well as a propellant com... | 04/25/2000 |
| 6048909 | Foams having increased heat distortion temperature made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers The present invention pertains to improved alkenyl aromatic polymer foams (and processes for their preparation) having increased heat distortion temperature and improved dimensional stability while maintaining good tensile/tear, creep and environmental di... | 04/11/2000 |
| 5973016 | Resilient polyurethane foams of polydiene diols and oil There is provided a high resilience polyurethane foam produced from a polydiene diol having a number average molecular weight from 1,000 to 20,000 and a functionality of from 1.6 to 2, an aromatic polyisocyanate, and oil. The polydiene diol foams have exc... | 10/26/1999 |
| 5962542 | Process for producing hydrocarbon-blown hard polyurethane foams A process for preparing rigid expanded materials containing urethane and optionally urea and isocyanurate groups, characterised in that a polyurethane rigid foam is prepared by reacting a) an aromatic polyisocyanate with b) a polyol component with on average a... | 10/05/1999 |
| 5910515 | Polyurethane foam A polyurethane or polyisocyanurate foam is derived from a mixture comprising a crude isocyanate component and a polyol component which contains all or some of the following products in a homogeneous mixture: polyols, catalysts, surfactants, water, flame-r... | 06/08/1999 |
| 5900320 | Foamed plastic and method of manufacturing the same The present invention aims to improve soundproof and heat insulating properties of a foamed plastic by reducing internal cells pressure inside foamed resins. A base polymer such as a polyester-based polyol and a volatile foaming agent having an conjugate ... | 05/04/1999 |
| 5895791 | Method and system for obtaining near-surface characteristics of materials using ultrasonic Rayleigh waves In a method for obtaining near-surface characteristics of a material, a series of single frequency ultrasonic Rayleigh waves are generated, with a generating system, in the material. The Rayleigh waves are detected with a detection system remote from the ... | 04/20/1999 |
| 5856678 | Open-celled rigid polyurethane foam Disclosed is a process for preparing an open-celled rigid polyurethane foam by reacting a polyisocyanate with a polyol in the presence of a blowing agent, usually water, and a cell opening agent. The cell opening agent comprises a combination of a polyoxy... | 01/05/1999 |
| 5849806 | Resilient polyurethane foams of polydiene diols and tackifying resin There is provided a high resilience polyurethane foam adhesive produced from a polydiene diol having a number average molecular weight from 1,000 to 20,000 and a functionality of from 1.6 to 2, an aromatic polyisocyanate, a tackifying resin and oil. In an... | 12/15/1998 |
| 5814675 | Process for the preparation of polyurethane microspheres The invention provides a process for the preparation of polyurethane microspheres, which comprises of preparing a solution of diol or polyol having a molecular weight in the range of 200-2000, crosslinker and a catalyst selected from amino or organometall... | 09/29/1998 |
| 5786398 | Manufacture of insulating foams containing film forming additives This invention relates to insulating foams and to a process for producing the foams. Preferably, the foams are made from phenol formaldehyde resins. The blowing agents for making the foams include film forming coating material which coats the interior sur... | 07/28/1998 |
| 5730896 | Polymeric foams A method the preparation of rigid foams by reacting an organic polyisocyanate with an isocyanate-reactive material in the presence of a blowing promoter characterised in that the isocyanate-reactive material comprises at least one isocyanate-reactive cycl... | 03/24/1998 |
| 5721284 | Open-celled rigid polyurethane foam Disclosed is a process for preparing an open-celled rigid polyurethane foam by reacting a polyisocyanate with a polyol in the presence of a blowing agent, usually water, and a cell opening agent. The cell opening agent comprises a combination of a polyoxy... | 02/24/1998 |
| 5703136 | Polymeric foams A method for the preparation of rigid foams by reacting an organic polyisocyanate with an isocyanate-reactive material in the presence of a blowing promoter characterized in that the isocyanate-reactive material comprises at least one isocyanate-reactive ... | 12/30/1997 |
| 5698606 | Process for rigid polyurethane foams A process for the preparation of a fine celled, closed celled rigid polyurethane or urethane-modified polyisocyanate foam is disclosed which comprises reacting a polyfunctional isocyanate-reactive composition with a polyisocyanate composition, characteriz... | 12/16/1997 |
| 5690855 | Polyol blend, cellular polyurethane foam product made therefrom, and halogenated hydrocarbon-free process therefor A polyol blend is disclosed for making cellular polyurethane foam products in the absence of halogenated hydrocarbon blowing agents. The products have good insulating performance, good compressive strength, and excellent dimensional stability. The blend c... | 11/25/1997 |
| 5679718 | Microcellular foams containing an infrared attenuating agent and a method of using Disclosed is an evacuated and unevacuated microcellular foam containing an infrared attenuating agent (IAA). The evacuated foam has an average cell size of about 70 micrometers or less. The unevacuated foam has an average cell size of 1.0 micrometers or l... | 10/21/1997 |
| 5674919 | Biaxially oriented film of high molecular weight polyethylene, process for preparing the same, surface-modified biaxially oriented film of high molecular weight polyethylene and process for preparing the same Biaxially oriented films from high molecular weight polyethylene are characterized by a gas permeable structure formed from random-arranged microfibrils. The films have coefficients of static friction and kinetic friction of not more than 1.0. The biaxial... | 10/07/1997 |
| 5614566 | Method for the preparation of rigid foams having urethane and/or isocyanurate groups and being extensively open celled A method is described for the preparation of rigid foams, having urethane and/or isocyanurate groups and being extensively open celled, by reacting polyisocyanates with compounds having at least two groups capable of reacting with isocyanates and the equi... | 03/25/1997 |
| 5604265 | Process for rigid polyurethane foams A process for the preparation of a fine celled, closed celled rigid polyurethane or urethane-modified polyisocyanate foam is disclosed which comprises reacting a polyfunctional isocyanate-reactive composition with a polyisocyanate composition, characteriz... | 02/18/1997 |
| 5565497 | Dispersant for filled, rigid cellular polymers A process for the manufacture of a closed cell, rigid, polymer foam from polymer foam-forming ingredients containing a filler which comprises: (a) dispersing the filler in at least a portion of the foam-forming ingredients to form a filled dispersion, a fluoro... | 10/15/1996 |
| 5510054 | Polyurethane elastomer and foam exhibiting improved abrasion resistance Disclosed is a polyurethane elastomer having a density of from about 100 to about 1100 kg/m3, and an abrasion loss of less than about 300 mg, as determined in accordance with Test Method A of ISO 4649. Such elastomer can be prepared by reacting... | 04/23/1996 |
| 5484818 | Organic aerogels Polyisocyanate based organic aerogels having pore sizes less than 100 nm, densities in the range 10 to 800 kg/m3 and surface areas in the range 10 to 1500 m2 /g are provided.... | 01/16/1996 |
| 5451615 | Process for preparing polyurethane foam in the presence of a hydrocarbon blowing agent Disclosed is a process for preparing a rigid, hydrocarbon blown, polyurethane foam by reacting a polyisocyanate with a polyol composition comprising a fatty oil. The fatty oil has a fatty acid content, especially a hydroxyl-substituted fatty acid, which e... | 09/19/1995 |
| 5405885 | Rigid polyurethane/polyisocyanate foams containing paraffinic based oils The invention is a rigid polyurethane foam to which a base stock lubricating oil made of at least 55 weight percent paraffinic carbons and less than 10 weight percent aromatic carbons has been added as a hydrophobic agent protecting the polyurethane foam ... | 04/11/1995 |
| 5395860 | Flexible polyurethane foams using chlorinated alkanes It has been discovered that particular flexible polyurethane foam formulations having a chlorinated alkane incorporated therein have the advantage of improved combustion resistance, but also unexpectedly the additional advantages of improved durability (d... | 03/07/1995 |
