Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7316919 | Composite materials comprising supported porous gels This invention relates to a composite material that comprises a support member that has a plurality of pores extending through the support member and, located in the pores of the support member, and filling the pores of the support member, a macroporous cross-linked... | 01/08/2008 |
| 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 |
| 7182989 | Flooring system and method A flooring system for use in a residential environment. The flooring system includes a subfloor adapted to support the mass of a user and modular surface covering elements for disposition in edge to edge covering arrangement across at least a portion of the subfloor... | 02/27/2007 |
| 7157596 | Inhibitors of serine protease activity of matriptase or MTSP1 The present invention provides compounds which inhibit serine protease activity of matriptase or MTSP1. Also provided are pharmaceutical compositions comprising those compounds and methods of using the compounds and pharmaceutical compositions to treat conditions am... | 01/02/2007 |
| 6908912 | Pyrithione biocides enhanced by zinc metal ions and organic amines The present invention is directed to a stable, soluble, antimicrobial composition concentrate comprising pyrithione or a pyrithione complex in an amount of from about 0.5% to about 30 weight percent, a zinc source in an amount of from about 0.1% to about 10%, and an... | 06/21/2005 |
| 6894139 | Catalysts, in particular for the preparation of polyisocyanate polyadducts Catalysts contain, as structural units, at least one tertiary amino group and at least one group which, after its decomposition, is capable of complexing or protonating the tertiary amino group. ... | 05/17/2005 |
| 6740731 | Degradation control of environmentally degradable disposable materials The present invention is directed to a method for reducing waste accumulation by using an environmentally degradable disposable material. The disposable material, which includes a hydroxycarboxylic acid-containing polymer, degrades hydrolytically during operative an... | 05/25/2004 |
| 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 |
| 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 |
| 6528549 | Rigid polyurethane foams Polyol blend comprising a polyester polyol, a tertiary amine catalyst and an organic carboxylic acid wherein said carboxylic acid contains at least one OH, SH, NH2 or NHR functional group, wherein R is an alkyl, cycloalkyl or aryl group and the... | 03/04/2003 |
| 6403665 | Rigid polyurethane foams Polyol blend comprising a polyester polyol, a tertiary amine catalyst and an organic carboxylic acid wherein said carboxylic acid contains at least one OH, SH, NH2 or NHR functional group, wherein R is an alkyl, cycloalkyl or aryl group and the... | 06/11/2002 |
| 6310110 | 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 ... | 10/30/2001 |
| 6294589 | Polyurethane composition containing antimicrobial agents and methods for use therefor A polyurethane composition for fabricating antimicrobial based products such as polyurethane foam carpet backing materials and carpets having a polyurethane foam carpet backing material. The polyurethane composition includes a plurality of particles compr... | 09/25/2001 |
| 6278021 | Reduced particle-size urea A process for producing an urea preparation of reduced particle-size and narrow particle-size distribution by using an air milling process is provided. Also provided is an urea preparation of reduced particle-size, narrow particle-size distribution, and h... | 08/21/2001 |
| 6271278 | Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strength, and superabsorbent properties A superporous hydrogel composite is formed by polymerizing one or more ethylenically-unsaturated monomers, and a multiolefinic crosslinking agent, in the presence of particles of a disintegrant and a blowing agent. The disintegrant, which rapidly absorbs ... | 08/07/2001 |
| 6211259 | Low volatile reinforcing system The present invention includes new compositions for making polyurethane and polyurethane foam compositions. These compositions comprise the reaction product of an isocyanate A-Side and a B-Side comprising: (i) a polyol having a molecular weight of about 1... | 04/03/2001 |
| 6207725 | Rigid polyurethane foams Process for making rigid polyurethane or urethane-modified polyisocyanurate foams comprising the step of reacting an organic polyisocyanate composition with an isocyanate-reactive composition comprising a polyester polyol in the presence of an amine catal... | 03/27/2001 |
| 6169124 | Inner parting agents for producing self-parting moldings made of polyisocyanate polyaddition products In a process for producing self-releasing, compact or cellular moldings which comprise polyisocyanate polyaddition products and may contain reinforcing material by reacting a) organic and/or modified organic polyisocyanates with b) at least one compound contai... | 01/02/2001 |
| 6107355 | Production of polyurethane foams In a process for producing polyurethane foams, preferably semirigid polyurethane foams and flexible, semirigid and rigid polyurethane integral foams, a) at least one modified or unmodified organic polyisocyanate is reacted with b) at least one relatively ... | 08/22/2000 |
| 6077927 | Process for coloring polymer resins and products thereof A method of providing for manufacturing a colored polymer resin having the steps of: (a) blending a disazo colorant into a mixture of monomers, the colorant having a poly(oxyalkylene) substituent comprising from 2 to 200 alkylene oxide residues, bonded to... | 06/20/2000 |
| 6063824 | Microcellular urea-containing polyurethane elastomer A microcellular PU elastomer having improved dynamic-mechanical properties and based on an isocyanate component consisting essentially of 4,4'-MDI and also further customary constituents has, after heating at from 100 to 120° C. for from 8 to 24 hours, a... | 05/16/2000 |
| 6057376 | Process to prepare low density porous crosslinked polymeric materials Stable high internal phase water-in-oil emulsions containing polymerizable vinyl monomers, crosslinking monomers and initiators are obtained, useful in producing low density porous crosslinked polymeric materials by using a surfactant system containing (a... | 05/02/2000 |
| 6046706 | Antenna mast and method of using same An antenna mast and method of using it relate to a retractable mast having a retractable mast having a plurality of tubular telescoping sections to enable the mast to move between a fully retracted storage position and a fully extended use position. Each ... | 04/04/2000 |
| 5864002 | Process for coloring polymer resins and products thereof A method of providing for manufacturing a colored polymer resin having the steps of: (a) blending a disazo colorant into a mixture of monomers, the colorant having a poly(oxyalkylene) substituent comprising from 2 to 200 alkylene oxide residues, bonded to... | 01/26/1999 |
| 5852064 | Foamed and cross-linked phenolic resin and method for making same A phenolic foam having exceptional absorption capacities for pollutants such as hydrocarbons and other substances is described. The foam is hydrophobic and is capable of absorbing such substances in amounts up to 72 times its own weight. It is the reactio... | 12/22/1998 |
| 5844013 | Hydrophilic polyurethane gel foams, particularly for treating deep wounds, wound dressing based on hydrophilic polyurethane gel foams and method of manufacture Hydrophilic polyurethane gel foams are obtainable from a polyurethane gel defined in the description, from a water-absorbing material and from a non-aqueous foaming agent and can be used in medicine, in particular for the management of deep wounds and wou... | 12/01/1998 |
| 5801209 | EPDM compositions and process for producing same Disclosed are foamable EPDM compositions comprising EPDM, a carbon black having a CTAB of about 50 to 60 m2/g and DBP of 90 to 115 cc/100 g and a blowing agent which are advantageous for use in applications where UHF microwave curing is utilized and for r... | 09/01/1998 |
| 5798533 | Polyol compositions having good flow and water blown rigid polyurethane foams made thereby having good dimensional stability A polyol composition is provided which when reacted with and organic isocyanate, has good flow characteristics and makes an all water blown rigid polyurethane foam having good dimensional stability at low core densities of 1.1 pcf to 2.0 pcf. The polyol c... | 08/25/1998 |
| 5760099 | Production of rigid or semirigid polyurethane foams and composite elements comprising such polyurethane foams Rigid polyurethane foams, preferably semirigid polyurethane foams, are produced by reacting an organic and/or modified organic polyisocyanates with relatively high molecular weight polyhydroxyl compounds and, optionally, low molecular weight chain extende... | 06/02/1998 |
| 5741827 | Production of flame-resistant flexible polyurethane foams Flame-resistant flexible polyurethane foams are produced by reacting a) organic and/or modified organic polyisocyanates, b) relatively high molecular weight compounds containing at least two reactive hydrogen atoms and c) if desired, low molecular weight chain exte... | 04/21/1998 |
| 5721281 | Flame retardant porous plastics Opened-celled porous plastics or natural products are made flame retardant by coating the cell walls with a liquid containing carbonization auxiliaries and/or flame retardant agents. The excess liquid is removed and the mass is dried. The open-celled poro... | 02/24/1998 |
| 5710190 | Soy protein-based thermoplastic composition for foamed articles The invention provides a biodegradable thermoplastic composition made of soy protein, a plasticizing agent, a foaming agent, and water, that can be molded into biodegradable articles that have a foamed structure and are water-resistant with a high level o... | 01/20/1998 |
| 5705951 | Method for correction of error signals in a signal amplification system and an apparatus used for that purpose In a method and by an apparatus for correction of error signals and for forming of an arbitrary transfer function being independent of the quality of a payload (loudspeaker; H1) included in a signal amplification system, a control system (9) is used for s... | 01/06/1998 |
| 5700845 | Carbon black containing EPDM compositions and process for producing same Disclosed are foamable EPDM compositions comprising EPDM, a carbon black having a CTAB of about 50 to 60 m2/g and DBP of 90 to 115 cc/100 g and a blowing agent which are advantageous for use in applications where UHF microwave curing is utilized and for r... | 12/23/1997 |
| 5696174 | Stable and water-resistant aqueous foam composition Stable and water-resistant aqueous foam composition containing (1) a long chain cationic organic compound and (2) a long-chain anionic organic compound in a weight ratio of from 0.05:1 to 15:1. The stable foam composition of the invention may be mixed wit... | 12/09/1997 |
| 5646195 | Catalyst for polyurethane carpet backings and carpets prepared therewith Polyurethane foam backed textiles, particularly polyurethane backed carpets can be prepared using a formulation including a dialkyltin sulfide catalyst. Use of the dialkyltin sulfide catalyst allows for a delayed gellation without substantially increasing... | 07/08/1997 |
| 5599851 | Superfine microelemental biochemical mixture and foamed plastic products thereof This invention relates to a kind of superfine microelemental biochemical mixture and its foamed plastic products. The mixture contains titanium oxide, zirconia, silica, yttrium oxide, cerium oxide, tin dioxide, silver phosphate and other microelements, an... | 02/04/1997 |
| 5587448 | Reaction system for producing a polyurethane and method of using same to seal a surface This invention concerns a reaction system for producing a polyurethane having an isocyanate index value of at least 100, and a catalyzed reaction mixture thereof, having a gel time between 5 and 60 minutes. The reaction system, in one aspect, involves a m... | 12/24/1996 |
| 5561170 | Preparation of expandable thermoplastic polymers by post-impregnation A process for the preparation of expandable thermoplastic polymers by post-impregnation with a blowing agent in aqueous suspension in the presence of a mixture of magnesium pyrophosphate and a sulfonate group-containing extender as suspension stabilizer, ... | 10/01/1996 |
| 5514723 | Water-blown integral skin polyurethane foams and catalysts useful therein The present invention is directed to an integral skin foam prepared by reacting an isocyanate, an isocyanate reactive component and water as the only blowing agent and to a catalyst useful therein. The catalyst broadly comprises a diorganotin sulfide, a t... | 05/07/1996 |
