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| Number | Title | Issue Date |
| 7828991 | Polyether polyols based on cashew nutshell liquid and flexible foams This invention relates to novel polyether polyols which are prepared by alkoxylation of renewable resource materials, and particularly cashew nutshell liquid (CNSL), and to a process for the preparation of these novel polyether polyols. This invention also relates t... | 11/09/2010 |
| 7393465 | Hydrophobic polyols of low viscosity A process for preparing hydrophobic polyols that includes reacting A) a mixture having an OH content of from 180 to 300 mg KOH/g, a viscosity at 23° C. of from 5000 to 20 000 mPas and an OH functionality of from 2.8 to 4.5 including from 5 to 20 wt. % of 3-pentadec... | 07/01/2008 |
| 7338983 | Low density polyurethane foam, method of producing, and articles comprising the same A method for producing a cured, low-density polyurethane foam, the method comprises frothing a reactive polyurethane-forming composition comprising an isocyanate-containing component, an active hydrogen-containing component reactive with the isocyanate-containing co... | 03/04/2008 |
| 7094357 | Compatibilizing agent, polyester polyol mixture containing the same, and hot-melt adhesive obtained from the mixture A compatibilizing agent is described for a mixture of (1) a polyester polyol containing units derived from at least one aliphatic dicarboxylic acid (A) having n carbon atoms (10≦n≦20) and at least one al... | 08/22/2006 |
| 7045650 | Polyurethane elastomers having improved physical properties and a process for the production thereof A polyol composition having a number average molecular weight of from about 1,000 to about 3,000 Daltons is made up of (1) at least 60% by weight of a low monol polyoxypropylene polyol having a number average molecular weight of from about 2,000 to 12,000 Da and a d... | 05/16/2006 |
| 7028357 | Patient immobilization and transportation system A board has an upper section, with an upper surface for supporting a patient, and a lower section, having two spars separated by a concave surface. The lower section is smaller than the upper section, forming longitudinal flanges through which hand passages are prov... | 04/18/2006 |
| 6960618 | Preparation method for rigid polyurethane foam The present invention relates to a preparation method for low-density polyurethane foam excelling in the flame retardance and the dimensional stability, wherein rigid polyurethane foam having the average value for the ratio of lengthwise direction diameter/cross dir... | 11/01/2005 |
| 6946497 | Process for making visco-elastic foam Process for preparing a visco-elastic polyurethane foam by reacting a polyisocyanate composition with a polyol composition comprising b1) an EO-rich polyol; b2) a polyol with an EO content between 20-50% and a primary hydroxy content of at least 50%; b3) a polyol wi... | 09/20/2005 |
| 6861495 | Lacquers containing highly branched copolyester polyol This invention relates to rapid drying lacquers that are particularly useful for automotive OEM refinish applications. The lacquer includes a novel highly branched copolyester polyol. This invention is also directed to a process for producing coatings from the rapid... | 03/01/2005 |
| 6830705 | Liquid stable MDI prepolymers and liquid stable curative systems suitable for room temperature casting which yield high performance urethane elastomers The invention relates to liquid stable MDI prepolymers and curative systems which are suitable for room temperature casting and which yield high performance low-shrinkage urethane elastomers upon room-temperature curing, the prepolymer and curative components, the e... | 12/14/2004 |
| 6824703 | Polyurethane elastomers having improved physical properties and a process for the production thereof A polyol composition having a number average molecular weight of from about 1,000 to about 3,000 Daltons is made up of (1) at least 60% by weight of a low monol polyoxypropylene polyol having a number average molecular weight of from about 2,000 to 12,000 Da and a d... | 11/30/2004 |
| 6716729 | Stable bisphenolic compositions There is provided a stable single-phase composition of bisphenolic stillbottoms and methods for making such compositions. There is also provided a resole and a novolac composition that includes in the manufacture of the resins the use of a stable solution of bisphen... | 04/06/2004 |
| 6602450 | Method for producing a thermally insulating plate A method of producing a heat insulating board comprising two opposed facings and a core made of a rigid synthetic resin foam, which comprises spraying or injecting a foam mix for the rigid synthetic resin foam into the space between the opposed face mater... | 08/05/2003 |
| 6590008 | Process for making low density foams, polyol composition and reaction system useful therefor The invention relates to a polyol composition comprising by weight 60-97% of b1) a polyoxyethylene-polyoxypropylene polyol, having a functionality of 2-6, with 10-25% tipped EO, 3-40% of b2) a polyoxyethylene-polyoxypropylene polyol, having a functionalit... | 07/08/2003 |
| 6506813 | Process for making cold-setting flexible foams, polyol composition and reaction system useful therefor, foams thus obtained The invention relates to a polyol composition comprising b1) a polyol where the EO content is at least 50%; b2) a polyol having a primary hydroxyl content of at least 50%; b3) an amine-initiated polyoxypropylene polyol having an OH value greater than 400,... | 01/14/2003 |
| 6472446 | Phase stable polyol composition containing hydrocarbon as the blowing agent The present invention discloses a phase stable polyol blend composition containing a sucrose and dipropylene glycol co-initiated propylene oxide polyether polyol, a polyester polyol, a compatibilizing agent and a hydrocarbon blowing agent. The polyester p... | 10/29/2002 |
| 6423759 | Co-initiated polyols useful for the production of rigid polyurethane foams A co-initiated polyether polyol is produced by suspending a solid polyhydroxyl compound in an amine-initiated polyol, heating the suspension and alkoxylating the heated suspension. These co-initiated polyether polyols are particularly useful for the produ... | 07/23/2002 |
| 6348161 | Polyol composition containing a hydrocarbon blowing agent The present invention discloses a polyol resin composition containing a polyether polyol blend, a polyester polyol, and a hydrocarbon blowing agent. The polyether polyol blend has at least a diamine initiated polyol, a propylene oxide polyol, and a polyet... | 02/19/2002 |
| 6162891 | Polyester polyols and their use in two-component polyurethane lacquers The present invention relates to polyester polyols having hydroxyl numbers of 175 to 520 which are the reaction products of a) 50 to 60 mole % of a polyol component containing (i) 0 to 39 mole % of one or more dihydric aliphatic or cycloaliphatic alcohols havi... | 12/19/2000 |
| 6107359 | Polyether polyols, polyol formulation containing them and their use in the production of hard polyurethane foams Polyol formulations, containing polyether polyols possessing 40 to 80 wt. % of tertiary amino groups and having an OH number of 300 to 500, preferably 350 to 420, obtainable by addition of exclusively propylene oxide to o-toluene diamine, which contain cy... | 08/22/2000 |
| 6063891 | Freeze stable allophanate-modified toluene diisocyanate trimers This invention relates to a novel freeze-stable allophanate modified toluene diisocyanurates, and to a process for producing these freeze-stable allophanate-modified toluene diisocyanurates which requires a catalyst which is capable of forming both trimer... | 05/16/2000 |
| 6034197 | Polyol blend, multi-component system for producing polyurethane foam, and foam produced thereby A polyol blend is disclosed for making polyurethane foams. The blend includes a first polyol having a functionality of about 2, a hydroxyl number ranging from about 20 to about 90, and an equivalent weight ranging from about 600 to about 2800; a second po... | 03/07/2000 |
| 5965778 | Polyurethane elastomers having improved green strength and demold time, and polyoxyalkylene polyols suitable for their preparation Elastomers exhibiting decreased demold times and improved green strength are prepared by reacting a di- or polyisocyanate with a monodisperse polyoxypropylene diol having ultra-low unsaturation, and preferably prepared by the double metal cyanide.t-butyl ... | 10/12/1999 |
| 5958593 | Hardener for epoxy resins A hardener for epoxy resins is disclosed the use of which imparts improved resistance in the resins to aging on exposure to ultraviolet radiation. The hardener comprises (a) at least one amine selected from the group consisting of trimethylhexamethylenedi... | 09/28/1999 |
| 5925150 | Black colorant composition exhibiting low flairing A black colorant composition useful for coloring polyurethanes is provided having a red benzothiazole azo colorant which, when combined with a complementary blue and yellow colorant, exhibits low flairing.... | 07/20/1999 |
| 5916480 | Storage-stable emulsions for producing fine-celled rigid foams based on isocyanate Blowing agent-containing emulsions comprise a) compounds containing hydrogen atoms which are reactive toward isocyanates, b) blowing agents, c) catalysts, auxiliaries and/or additives which are customary in polyurethane chemistry, wherein the blowing agents b)... | 06/29/1999 |
| 5874021 | Method for producing low-fuming rigid polyurethane foam It is to provide a method for producing a low-fuming rigid polyurethane foam, which is superior in initial activity at low temperature and requires a small amount of a stock liquid. A method for producing a rigid polyurethane foam, which comprises mixing ... | 02/23/1999 |
| 5856679 | Premixes for the preparation of polyurethane foams Premixes intended for the preparation of polyurethane or modified polyurethane foams comprising at least one polyol and 1,1,1,3,3-pentafluorobutane as blowing agent. These premixes have proved to be particularly stable.... | 01/05/1999 |
| 5846897 | Zirconium urethane catalysts The present invention is directed to novel metal organocomplexes as catalysts for the reaction of compounds with isocyanate and hydroxy functional groups to form urethane and/or polyurethane and the process employing such catalysts. More particularly, the... | 12/08/1998 |
| 5840781 | Polyether polyols, polyol formulation containing them and their use in the production of hard polyurethane foams Polyol formulations, containing polyether polyols possessing 40 to 80 wt % of tertiary amino groups and having an OH number of 300 to 500, preferably 350 to 420, obtainable by addition of exclusively propylene oxide to o-toluylenediamine, which contain cy... | 11/24/1998 |
| 5824714 | Polyether polyol for preparing rigid polyurethane foams A polyether polyol is provided having an aromaticity in the range of from 5% to 35%, an average nominal functionality (Fn) in the range of from 2.0 to 4.5 and a hydroxyl value in the range of from 390 to 650 mg KOH/g, whereby the aromatic carbon atoms are... | 10/20/1998 |
| 5817738 | Conductive, multidimensional oligomers and blends The morphology of multidimensional oligomers is combined with the inclusion of charge carrier linkages within the oligomer arms to produce oligomers that are useful for preparing conductive or semiconductive composites, if suitably doped. The Schiff base ... | 10/06/1998 |
| 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 |
| 5700390 | Polyol compositions having internal mold release properties The invention provides polyurethane components and compositions capable of providing internal mold release properties in SRIM applications. The polyol composition of the invention has an isocyanate reactive polyol (A) having a number average molecular wei... | 12/23/1997 |
| 5700869 | Polyurethane compositions having internal mold release properties The invention provides polyurethane components and compositions capable of providing internal mold release properties in SRIM applications. The polyol composition of the invention has an isocyanate reactive polyol (A) having a number average molecular wei... | 12/23/1997 |
| 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 |
| 5648019 | Three component polyol blend for use in insulating rigid polyurethane foams There is now provided a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition in the presence of a blowing agent, where the polyol composition contains at least: a) an aromatic amine initiated polyoxyalkyl... | 07/15/1997 |
| 5618854 | Combustion-modified flexible polyurethane foams Disclosed is an active hydrogen-containing composition suitable for the production of flexible polyurethane foam when reacted with a polyisocyanate, said composition comprising, (a) a polyol having an average functionality of about 2.0 to about 4.0, and a... | 04/08/1997 |
| 5596059 | Polyether polyols suitable for mflexible polyurethane foam prepared by co-initiation of aqueous solutions of solid polyhydroxyl initiators Polyoxyalkylene polyether polyols suitable for preparation of flexible polyurethane foams are prepared by oxyalkylating an aqueous solution of one or more polyhydric, hydroxyl-functional solid initiators under conditions where both water as well as initia... | 01/21/1997 |
| 5594066 | Low-viscosity, stable, agglomerate-free polymer polyols, a process for their preparation and their use in producing polyurethane plastics Stable, agglomerate-free, low-viscosity graft copolymer dispersions are prepared by the radical polymerization of 25 to 65% by weight of ethylenically unsaturated monomers in the presence of a base polyol, a macromer, a low-molecular weight regulator and,... | 01/14/1997 |
