Assignee: Bayer Polymers LLC

Location: Pittsburgh, PA
No. of patents: 38

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Number	Title	Issue Date
6905733	Irreversible immobilization of enzymes into polyurethane coatings This invention provides a method of irreversibly immobilizing an enzyme into polyurethane coatings. This invention also provides for an enzyme-containing coating having a degree of immobilization of the enzyme of approximately 100%. The synthesis of waterborne polyu...	06/14/2005
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
6849687	Thermoplastic composition having low gloss appearance A thermoplastic molding composition comprising a grafted acrylate rubber (ASA) and a gloss reducing agent and a process for making the same are disclosed. The gloss reducing agent is the reaction product of (i) an epoxidized grafted rubber having two or more epoxy g...	02/01/2005
6833423	Moisture-curable, polyether urethanes with reactive silane groups and their use as sealants, adhesives and coatings A moisture curable, alkoxysilane-functional polyether urethanes containing a) 20 to 90% by weight, of a polyether urethane containing two or more reactive silane groups and polyether segments having a number average molecular weigh...	12/21/2004
6833390	Process for preparing closed-cell water-blown rigid polyurethane foams having improved mechanical properties The present invention is directed to a process for preparing water-blown rigid polyurethane foams having at least an 80% closed-cell content which involves reacting a) at least one polyol mixture which is composed of (i) at least one polymer polyol; (ii) at least on...	12/21/2004
6831110	Rigid, dimensionally stable polyurethane foams and a process for the production of such foams in which the foam pressure is reduced Rigid foams are made by reacting a polyisocyanate with an isocyanate-reactive composition which includes at least one isocyanate-reactive compound, preferably, an amine-initiated polyol and more preferably, an amine-initiated polyether polyol and a second, different...	12/14/2004
6812282	Thermoplastic compositions providing matt surface A low gloss thermoplastic composition suitable for making article having low gloss and a process for its preparation are disclosed. The composition contains (I) a resinous component that includes (a) a (co)polyalkyl (meth)acrylate rubber characterized that it contai...	11/02/2004
6790925	In-situ preparation of polyaspartic ester mixtures The present invention relates to polyaspartate mixtures containing a) 5 to 50 equiv. %, based on the total equivalents of aspartate groups, of a polyoxypropylene polyaspartate corresponding to the formula wherein ...	09/14/2004
6783184	Molded article having a rigid support and a flexible hollow member A molded article comprising (a) a rigid support, e.g., a rigid seat support (10), having a plurality of perforations, and (b) a molded flexible hollow thermoplastic member (20), e.g., a flexible thermoplastic seat cushion, fixedly attached thereto is d...	08/31/2004
6780957	Hydrophobic light stable polyurethane elastomer with improved mechanical properties A hydrophobic polyurethane elastomer is disclosed comprising an isocyanate terminated prepolymer having an isocyanate content ranging from 4 to 12 wt. % NCO comprising the reaction product of: i) an OH terminated homopolymer of butadiene having molecular weight rang...	08/24/2004
6779193	Digital data storage assembly with particular hub adaptor A digital data storage assembly (2), e.g., a flexible thin film compact disc, is described. Digital data storage assembly (2) includes, (a) a thin film data storage carrier (11), having substantially opposed first (14) and second (17	08/17/2004
6776925	Process for the preparation of polyether polyols The present invention relates to a process for the production of polyether polyols by polyaddition of alkylene oxides onto starter compounds containing active hydrogen atoms conducted in the presence of a double-metal cyanide catalyst wherein a reaction mixture is g...	08/17/2004
6774207	Polyaspartate resins with good hardness and flexibility The present invention relates to polyaspartate mixtures containing a) 5 to 70 equiv. %, based on the total equivalents of aspartate groups, of a cyclic polyaspartate corresponding to the formula wherein X1	08/10/2004
6774206	Polyaspartate resins with improved flexibility The present invention relates to polyaspartates corresponding to the formula wherein X1 represents the residue obtained by removing the amino groups from a polyether polyamine having a functionality of ...	08/10/2004
6773756	Process to manufacture three dimensionally shaped substrate for sound abatement The present invention is directed to a process for the manufacture of three-dimensional acoustically sound automotive insulation parts. In particular, the process includes mixing a two component polyurethane resin, applying the resin to a substrate, molding the subs...	08/10/2004
6764026	Process for spraying one-component compositions with air-assisted, low pressure equipment having an improved spray nozzle The present invention relates to a process for spraying a one-component composition by a) activating the trigger mechanism of a caulking gun having two or more rams and containing two or more cartridges to incrementally advance a ram into operative engagement...	07/20/2004
6762214	Process for the production of rigid foams from alkaline polyether polyols The present invention relates to a process for the preparation of rigid foams comprising reacting a polyisocyanate component with an isocyanate-reactive component in the present of a blowing agent. Suitable isocyanate-reactive components for the presently claimed in...	07/13/2004
6761187	Tubular assembly having an internal plug A tubular assembly which includes a first (or outer) tube (12), a second (or inner) tube (21) and a plug (42) within the second tube (21) is described. The plug (42) resides within at least a portion of the second tube (21),...	07/13/2004
6756439	Filled weatherable compositions having a good surface appearance A glass fiber reinforced thermoplastic molding composition suitable for the preparation of articles having good surface properties is disclosed. The composition contains a resinous blend and a filler component. The resinous blend contains (i) to 50 wt. % of a grafte...	06/29/2004
6750367	Tetralin isocyanates The present invention relates to novel aromatic isocyanates obtained by partially hydrogenating naphthalene as well as the processes for preparing the same, and to their use as an isocyanate component in the production of polyurethanes. ...	06/15/2004
6749646	Dip-dyeable polycarbonate process A process for tinting of articles molded from a polymeric resin is disclosed. Preferably, the article is molded from polycarbonate and the process entails immersing the molded article in a dye bath that contains water, dye, a carrier and an optional surfactant. The ...	06/15/2004
6737500	In-situ preparation of polyaspartic ester mixture A method for making a polyaspartic ester mixture in-situ comprising the sequential steps of (a) reacting a cyclic amine with an excess amount of an ester of fumaric or maleic acid to form a mixture containing first polyaspartic ester component and excess unreacted e...	05/18/2004
6737497	Polyurethane/ureas useful for the production of spandex and a process for their production Segmented polyurethane/ureas useful in the production of spandex are produced by chain extending an isocyanate-terminated prepolymer with a diamine chain extender that includes: (1) from about 7 to 25 equivalent percent of an asymmetric aliphatic and/or cycloaliphat...	05/18/2004
6733543	Process for making dyed articles A process of dyeing a molded article is disclosed. The process entails immersing at least a portion of the article in a dyeing bath, retaining the portion in the bath for a period of time sufficient to allow an amount of dye to diffuse into the article, and removing...	05/11/2004
6730748	Thermoplastic polycarbonate compositions having high toughness A thermoplastic molding composition that features improved low-temperature properties and is thus suitable for application in exterior automotive parts is disclosed. The composition contains (A) 80 to 60 percent of a copolycarbonate wherein 65 to 75 mole percent of ...	05/04/2004
6719845	Gapped bedplate for uniform carpet back coating The present invention relates to an improved doctor blade and bedplate apparatus wherein there is a recess in the bedplate from some position upstream of the doctor blade to some position downstream of the doctor blade. This recess or gap in the area of the bedplate...	04/13/2004
6716457	Effects of bactericide (peracetic acid-hydrogen peroxide-water combination) to agricultural chemicals in bacteria control when they are in contact with one another The present invention relates to a process for inhibiting or eliminating the growth of microorganisms in pesticide suspensions. More particularly, the process of the present invention includes the addition of a combination of peracetic acid, hydrogen peroxide, and w...	04/06/2004
6708583	Shaft support structure Described is a shaft support structure (2) comprising, (a) an elongated shell (11) having interior surfaces (14) which define a hollow interior (17); and (b) a plurality of reinforcing ribs (20) of plastic material located within t...	03/23/2004
6696531	Process for preparing a polymer from 3,4-epoxy-1-butene The invention relates to a process for preparing a polymer by polymerizing a component containing 3,4-epoxy-1-butene in the presence of a double metal cyanide (DMC) catalyst and a hydroxy-functional starter and it also relates to the obtained polymers....	02/24/2004
6696383	Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto The present invention is directed to double metal cyanide catalysts ("DMC") which can be used to prepare polyols. DMC catalysts of the present invention are prepared by combining i) at least one metal salt; ii) at least one metal cyanide salt; iii) at lea...	02/24/2004
6695224	Spray nozzle for a two-component air-assisted, low pressure spray system The present invention relates to a spray nozzle for a two-component, air-assisted, low pressure spray system including 1) a static mixer having an upstream end and a downstream end wherein a) the upstream end has an inlet port for receiving a first liquid ...	02/24/2004
6688680	Molded cross vehicle beam A molded cross vehicle beam which includes a hollow blow molded thermoplastic rigid member that is integrally attached to a rigid support, e.g., a U-shaped metal plate, and at least one attachment element, is described. The rigid support (12) has a first ...	02/10/2004
6683123	Process for making a thermoplastic molding composition A process for producing a thermoplastic molding composition is disclosed. The process entails introducing a solid polymeric resin, optionally containing residual moisture, into an extruder, operating under conditions designed to melt the resin and chargin...	01/27/2004
6673970	Process for preparing methylene diphenylamines by partial neutralization of acidic methylene diphenylamines Disclosed herein is a process for preparing a reaction product containing methylene diphenylamine, comprising reacting aniline and formaldehyde in the presence of an acid catalyst wherein the acid level of the resulting reaction mixture is reduced during ...	01/06/2004
6672519	Air-assisted, low pressure spray equipment having an improved spray nozzle Air-assisted, low pressure spray equipment having an improved spray nozzle including a caulking gun having a carriage adapted to receive cartridges having a nozzle, rams mounted on the caulking gun for engaging each cartridge to dispense a liquid from the...	01/06/2004
6667407	Process of making polyaziridines The invention relates to a process for reducing the monomeric aziridine content in a polyaziridine forming reaction mixture by adding to the polyaziridine forming reaction mixture an excess of an isocyanate scavenger wherein the excess is based on the equ...	12/23/2003
6649667	Polyurethane foams having improved heat sag and a process for their production Rigid, closed-cell polyurethane foams are produced by a RIM process by reacting an organic polyisocyanate with an isocyanate-reactive mixture in which a significant amount of a bio-based polyol is present. The foams produced by this process are characteri...	11/18/2003
6632875	Polyurethane-forming composition with adjustable mix viscosity, geotextile composites prepared therefrom and a process for producing such composites A polyurethane-forming reaction mixture characterized by its ability to be adjusted with respect to its viscosity in response to changing temperature and humidity conditions is achieved with a mixture that includes a liquid polyisocyanate having an isocya...	10/14/2003

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Assignee: Bayer Polymers LLC