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| Number | Title | Issue Date |
| 7381347 | Crosslinking composition This invention relates to a crosslinking composition comprising a compound having the structure of Formula I: A′-NRA—RD where A′ is a moiety derived from the group consisting of linear or cyclic ureas, cyanuric acid, s... | 06/03/2008 |
| 7179399 | Material for forming protective film A material for forming a protective film comprising an organic solvent and a compound having at least two alicyclic structures. ... | 02/20/2007 |
| 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 |
| 7135525 | Laser-sintering powder with PMMI, PMMA, and/or PMMI-PMMA copolymers, process for its preparation, and moldings produced from this laser-sintering powder The present invention relates to a sinter powder composed of polyamide which also comprises PMMI, PMMA, or copolymers with PMMI, in particular PMMI-PMMA copolymers, to the use of this sinter powder for laser-sintering, and also to moldings produced from this sinter ... | 11/14/2006 |
| 6927271 | Hydroxyl and carbamate functional resins Coating compositions contain hydroxyl- or carbamate functional resins with a relatively low equivalent weight. The resins are based on a polyol core containing urea and hydroxyl groups, and made by reacting a polyisocyanate, preferably a triisocyanate, with an amino... | 08/09/2005 |
| 6869543 | Amine-initiated polyether polyols and a process for their production Clear, amine-initiated polyether polyols are made by epoxidizing an amine in the presence of an alkali metal hydroxide catalyst. By reducing the amount of catalyst used during the polyol synthesis and by adding the catalyst after between 5 and 30% of the total amoun... | 03/22/2005 |
| 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 |
| 6767479 | Cross-linking mixtures of beta-hydroxyalkylamide and compound of formula (II) and their use thereof Described herein are mixtures of cross-linking agents for the preparation of powder paints wherein the binder consists of polyester resins having free carboxyl groups. The cross-linking mixture itself comprises at least one Beta-hydroxyalkylamide compound having a B... | 07/27/2004 |
| 6762274 | Low emission polyurethane polymers made with autocatalytic polyols The present invention discloses a process for producing a polyurethane product with autocatalytic polyols. These auto-catalytic polyols are based on an initiator of the formula (I): HmA-(CH2)n—N(R)-(CH2)p-AH | 07/13/2004 |
| 6740686 | Process for the manufacture of polyurethane foam, amine polyesterpolyol used in this process and foam obtained The invention concerns a method for making a polyurethane foam by reacting at least a polyester polyol with at least a polyisocyanate in the presence of a foaming agent and a catalytic agent, such a polyester polyol having been previously obtained by reacting a reac... | 05/25/2004 |
| 6624277 | Polyurethane polyol compositions and coating compositions comprising the same The present invention relates to polyurethane polyol compositions comprising the reaction product of a polyisocyanate, a polyol, and a Guerbet alcohol having at least 12 carbon atoms or a Guerbet alcohol mixture having an average of at least 12 carbon ato... | 09/23/2003 |
| 6599952 | Polyether polyols with increased functionality This invention relates to a process for the preparation an epoxide-reactive compound having a functionality of at least 3, a molecular weight of from about 250 to about 1,900, and an OH number of from about 85 to about 1,400. This process comprises reacti... | 07/29/2003 |
| 6596663 | Catalyst composition A catalyst composition for the production of a polyurethane resin, which comprises an amine compound of the following formula (1): ##STR1## wherein each of R1 and R2 which are independent of each other, is a C1-4 alkyl group, such alkyl groups ... | 07/22/2003 |
| 6586490 | Polyol mixture for the preparation of rigid polyurethane foams The present invention relates to polyol mixtures which are suitable for the preparation of rigid polyurethane foams and comprise addition products of alkylene oxide on aromatic di- or polyamines, and rigid foams prepared with these polyol mixtures.... | 07/01/2003 |
| 6548564 | Polyether polyols with increased functionality This invention relates to a process for the preparation of a polyether polyol having a functionality of at least about 3, a molecular weight of from about 560 to about 35,000 and an OH number of from about 10 to about 1,100. This process comprises reactin... | 04/15/2003 |
| 6534620 | Hydroxy-functional polyurethane carbonates, a process for their preparation and their use as binders The present invention relates to a process for preparing hydroxy-functional polyurethane carbonates by reacting a) a dihydroxy- or higher hydroxy-functional polymer having a number average molecular weight of 500 to 100,000 and containing aliphatic carbon... | 03/18/2003 |
| 6521685 | Clarifying agent formulations for thermoplastics exhibiting very high nucleation efficacy Certain thermoplastic additives that induce simultaneous low clarity and high nucleation efficacy are provided. Such additives include combinations of certain bicyclic salts (which by themselves induce very high nucleation efficacy) and certain benzyliden... | 02/18/2003 |
| 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 |
| 6503999 | Use of beta-hydroxyalkylamide in ambient and low bake liquid coatings An aqueous coating composition comprising an active hydrogen-containing polymer, an isocyanate, and beta-hydroxyalkylamide is disclosed. The polymer can be any number of polymers containing hydroxyl, amine and/or thiol groups, such as an acrylic polyol, a... | 01/07/2003 |
| 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 |
| 6458956 | Inhibitor composition for stabilizing substances capable of free radical polymerization An inhibitor mixture containing, as components, a) at least one nitroxyl radical (derivative), b) at least one phenol (derivative) and c) at least one chemical compound which contains at least one phosphorus atom which has the oxidation state +3 is prefer... | 10/01/2002 |
| 6433031 | Polymer-modified polyols, their use for the manufacture of polyurethane products The invention provides a high molecular weight polyol comprising dispersed therein the reaction of a polyisocyanate and low molecular weight polyol where said low molecular weight is a mixture of an alkanolamine with a polyethylene glycol having a molecul... | 08/13/2002 |
| 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 |
| 6388163 | Method for chemically inactivating energetic materials and forming a nondetonable product therefrom A method for rendering nondetonble energetic materials, such as are contained in or removed from decommissioned ordnance. The energetic materials are either combined with epoxy hardener or are combined with other compounds, preferably amine compounds, to ... | 05/14/2002 |
| 6353137 | Stable aromatic amine composition, a process for preparing color stable aromatic amines, and the production of light colored aromatic amine-based polyether polyols This invention relates to stable aromatic amine compositions. These compositions comprise a) an organic compound containing at least one carboxylic acid group, and b) an aromatic amine. This invention also relates to a process for stabilizing the color of... | 03/05/2002 |
| 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 |
| 6346205 | 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... | 02/12/2002 |
| 6342576 | Urethanized ଲ-hydroxyalkylamide compound, a process for preparing it and its use for preparing powder coating materials A urethanized ଲ-hydroxyalkylamide compound, a process for its preparation, and powder coating materials containing them.... | 01/29/2002 |
| 6258920 | Polyamidoamine curing agents based on mixtures of fatty and aromatic carboxylic acids Compositions of amine terminated polyamidoamine resins useful for curing epoxy resins are disclosed comprising combinations of fatty monocarboxylic acids, aromatic mono- and dicarboxylic acids, and polyethyleneamines, wherein the ratio of equivalents of f... | 07/10/2001 |
| 6171517 | Rubber compounding formulation and method This disclosure is directed to an antioxidant compound which reduces the rate at which insoluble sulfur converts to a migratable form of sulfur in an unvulcanized compound.... | 01/09/2001 |
| 6121338 | Process for rigid polyurethane foams Process for preparing rigid polyurethane or urethane-modified polyisocyanurate foam using as blowing agent a mixture containing from 1 to 50 mole % 1,1,1,3,3-pentafluoropropane and from 50 to 99 mole % isopentane and/or n-pentane.... | 09/19/2000 |
| 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 |
| 6103140 | Preparation of a stable dispersion of melamine in polyol components A stable dispersion of melamine in polyol components comprising at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms and, if desired, low molecular weight chain extenders and/or crosslinkers, blowing agent... | 08/15/2000 |
| 6093342 | Preparation of a homogeneous, demixing-stable polyol component A homogeneous, demixing-stable polyol component comprising at least two relatively high molecular weight compounds containing at least two reactive hydrogen atoms and, if desired, low molecular weight chain extenders and/or crosslinkers and also, if desir... | 07/25/2000 |
| 6063308 | Preparation of a homogeneous polyol component which is stable to separation A process for preparing a homogeneous polyol component which is stable to separation and consists of at least one compound of relatively high molecular weight having at least two reactive hydrogen atoms and low-molecular-weight chain extenders and/or cros... | 05/16/2000 |
| 6059990 | Preparation of a stable dispersion of melamine in polyol components A stable dispersion of melamine in polyol components comprising at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms and, if desired, low molecular weight chain extenders and/or crosslinkers, blowing agent... | 05/09/2000 |
| 6022937 | Polyether polyols based on triazole group containing compounds and a process for their production This invention relates to novel polyether polyols and to a process for their production. These polyether polyols are prepared by forming a polyhydroxyl group containing component in a first step by the reaction of a triazole-group containing compound with... | 02/08/2000 |
| 5973072 | Polymeric vehicles which include a phenolic urethane reactive diluent The present invention is directed to a polymeric vehicle, the formulated coating composition and a coating binder made from the polymeric vehicle and a method for making the polymeric vehicle where the polymeric vehicle includes a phenolic urethane reacti... | 10/26/1999 |
| 5968992 | Reduction of the amine content of recycled polyols In a process for reducing the primary amine content of a composition comprising at least one polyol, in which a composition comprising at least one polyol is admixed with at least one isocyanate which contains only secondary and/or tertiary, aliphatically... | 10/19/1999 |
| 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 |
