Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 8188208 | Solid polyurethane elastomers which exhibit reduced dimensional shrinkage This invention relates to solid elastomers which exhibit reduced dimensional shrinkage, and to a process for the production of these elastomers. These elastomers comprise the reaction product of a polyisocyanate component or prepolymer, with an isocyanate-reactive c... | 05/29/2012 |
| 8106140 | Process for preparing low-viscosity allophanates containing actinically curable groups The present invention relates to a process for preparing low-viscosity reaction products of polyisocyanates containing activated, ethylenically unsaturated groups which react, with polymerization, on exposure to actinic radiation. ... | 01/31/2012 |
| 7973122 | Polyamideimide compositions having multifunctional core structures Polyamideimide coating compositions, including polyamideimide coating compositions suitable for magnet wire applications are described. Processes for preparing coating compositions, for coating articles such as magnet wire, and for curing coating compositions are al... | 07/05/2011 |
| 7906607 | Isocyanate group-terminated urethane prepolymer, process for producing the same, and adhesive comprising the urethane prepolymer It is an object of the present invention to provide an isocyanate group-terminated urethane prepolymer which has a low viscosity at melting and a process for producing the same, and an adhesive which comprises the urethane prepolymer. The invention relates to a proc... | 03/15/2011 |
| 7906606 | Moisture-curing prepolymers Solvent-containing formulations including NCO-containing prepolymers based on TDI isocyanurate polyisocyanates and diphenylmethane diisocyanates where some prepolymers are prepared using a polyetherdiol containing ethylene oxide blocks and having an ethylene oxide c... | 03/15/2011 |
| 7652121 | Rheology control agents for coating compositions The present invention is directed to a rheology control agent for coating compositions. The rheology control agent includes a compound having the Formula (II) including isomers or mixtures of isomers thereof: wherein R, R | 01/26/2010 |
| 7635743 | Moisture-curing composition and hot-melt adhesive The invention relates to a composition based on alkoxysilane-functional polyurethane prepolymers suitable for a reactive hot-melt adhesive which is stable to storage at a high temperature but cures very rapidly under the action of moisture from the atmosphere or fro... | 12/22/2009 |
| 7531614 | Functionalized polyurethane Water-thinnable polyurethane with at least two free OH groups obtainable from a first conversion of a primary and/or secondary alkanolamine with a NCO compound giving an intermediate product, followed by the addition of a cyclic carboxylic anhydride to the intermedi... | 05/12/2009 |
| 7511111 | 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 about3,000 Daltons is made up of (1) at least 55% by weight of a low monol polyoxypropylene polyol having a number average molecular weight of from about 1,000 to 12,000 Da and a de... | 03/31/2009 |
| 7473754 | Optical resin composition The present invention is directed to a novel polymerizable organic composition comprising one or more radically polymerizable monomers with at least one radically polymerizable monomer having at least two (meth)acryloyl groups that have backbone linkages selected fr... | 01/06/2009 |
| 7439299 | Aqueous polyurethane composition for low gloss coatings An aqueous coating composition having a 60° gloss of ≦40 upon drying comprising a self-crosslinkable polyurethane obtained by the reaction of: (A) an isocyanate-terminated pre-polymer formed from components which comprise ... | 10/21/2008 |
| 7435464 | Articles comprising aqueous dispersions of polyureaurethanes Polyurethane particles dispersed in water can be used to make articles of commerce with reduced chance of chemical and biological allergic reaction to skin, and which exhibit improved puncture and tear resistance when compared to gloves made with other materials. | 10/14/2008 |
| 7396875 | UV-curable waterborne polyurethane dispersions for soft touch coatings The present invention is directed to a waterborne, UV-curable polyurethane emulsion and the use thereof in producing soft touch coatings. The emulsion is prepared by a) reacting specified hydroxy-functional components with di- and/or polyisocyanates, b) forming a di... | 07/08/2008 |
| 7361292 | High modulus, nonconductive adhesive useful for installing vehicle windows The invention is a composition comprising a) one or more isocyanate functional polyether based prepolymers containing one or more organic based polymers dispersed therein; b) one or more isocyanate functional polyester based prepolymers whi... | 04/22/2008 |
| 7361723 | Low-viscosity allophanates containing actinically curable groups A process for preparing binders containing allophanate groups which contain, at the oxygen atom of the allophanate group that is bonded via two single bonds, organic radicals with activated groups capable of participating in a polymerization reaction with ethylenica... | 04/22/2008 |
| 7342068 | Aqueous polyurethane dispersion and method for making and using same Aqueous polyurethane dispersions comprising polyurethane polymer and methods for making and using same are disclosed herein. In one aspect of the present invention, aqueous polyurethane dispersions, comprising a polyurethane polymer having a weight average molecular... | 03/11/2008 |
| 7339020 | High-functionality polyisocyanates High-functionality polyisocyanates are prepared by a process which comprises (i) preparation of an addition product (A) which contains one group which is reactive toward isocyanate and at least two isocyanate groups by reacting | 03/04/2008 |
| 7339010 | Interpenetrating polymer networks using blocked polyurethane/polyurea prepolymers for golf ball layers The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based o... | 03/04/2008 |
| 7329717 | Polyisocyanate-modified polycarboxylic acids A process for preparing polyisocyanate-modified polycarboxylic acids by conversion of anhydride-group-free polycarboxylic acids with isocyanate-functional compounds. The process includes reacting A) an anhydride-group-free polycarboxylic-acid component with B) an is... | 02/12/2008 |
| 7323435 | Fluorinated oligourethanes Fluorinated oligourethanes, having number average molecular weight lower than or equal to 9,000, having a branched structure, formed of the following monomers and macromers: a) aliphatic, cycloaliphatic or aromatic polyisocyanates, b) heter... | 01/29/2008 |
| 7323532 | Low-viscosity radiation-curing and thermally curing polyisocyanates The present invention concerns a process for producing low-viscosity polyisocyanates or secondary products thereof, which carry activated, radiation-curable double bonds and can optionally also cure thermally, and low-viscosity polyisocyanate mixtures or secondary p... | 01/29/2008 |
| 7320824 | Paint substitute film A paint substitute film 1 is provided which has an excellent property that permits universal application to a variety of components, for example to a complexly shaped component, without decreasing marketability of the component due to undesirable change in co... | 01/22/2008 |
| 7314899 | Process for the preparation of poly (urethane-acrylic) copolymer dispersion for industrial applications This invention describes a process to synthesize water based coating composition having polyurethane and vinyl polymers in the same backbone, which can be used as topcoat in leather. Polyurethane having iniferter groups are synthesized which is then used to incorpor... | 01/01/2008 |
| 7309753 | Process for the preparation of moisture-curable, polyether urethanes with terminal cyclic urea reactive silane groups A process for preparing a moisture-curable, polyether urethane containing terminal cyclic urea/reactive silane groups by reacting at an NCO:OH equivalent ratio of 1.5:1 to 2.5:1 a) a hydroxyl component containing i) a polyether containing two hydroxyl g... | 12/18/2007 |
| 7307136 | Polyurethane elastomers A polyisocyanate-based elastomer having a ratio of the storage modulus (E′) at 20° C. and the storage modulus (E′) at 120° C. of between 0.75 and 1.5, a tan δ at 100° C. of less than 0.1 and a maximum value of the tan δ of more than 0.8, the tan δ being th... | 12/11/2007 |
| 7288604 | Interpenetrating polymer networks using blocked polyurethane/polyurea prepolymers for golf ball layers The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based o... | 10/30/2007 |
| 7288213 | Method for preparing low viscosity tricondensate polyfunctional isocyanates A method is described for preparing a tricondensate polyfunctional isocyanate composition, preferably having at least an isocyanurate and/or biuret group, which includes adding to a tricondensate polyfunctional isocyanate, or a mixture of different tricondensate pol... | 10/30/2007 |
| 7279505 | Radiation-curable prepolymers The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or... | 10/09/2007 |
| 7268203 | Polymer dispersant having hyperbranched structures Polyurethanes having hyperbranched structures, selected from hyperbranched polyurethanes containing at least one pigment affinity group and modified hyperbranched polyurethanes, are used as polymeric dispersing additives for pigments. A preferred process for prepari... | 09/11/2007 |
| 7253252 | Water-soluble aspartate The present invention relates to new water-soluble polyaspartic esters and also to their use in aqueous coating compositions. ... | 08/07/2007 |
| 7253244 | Fast setting 1k-polyurethane glue A one-pack polyurethane adhesive containing a polyisocyanate prepolymer and at least one aminoether polyol, having a molar ratio of ether groups to amino nitrogen in the aminopolyether polyol of 7 to 30. ... | 08/07/2007 |
| 7252927 | High performance curable polymers and processes for the preparation thereof Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer being of the ... | 08/07/2007 |
| 7247695 | High 1,4-cis polybutadiene-polyurethane copolymer and preparation method thereof Disclosed is a novel high 1,4-cis polybutadiene-polyurethane copolymer and a preparation method thereof. The present invention provides a high 1,4-cis polybutadiene-polyurethane copolymer represented by the following formula 1 and having an average molecular weight ... | 07/24/2007 |
| 7223801 | Joint fill composition and method A composition and method for protecting pipeline joints is disclosed. A mold covers the exposed pipeline joint. A reaction composition including a polyol, an isocyanate, and an ester, preferably 2,2,4-trimethyl-1,2-pentanediol diisobutyrate, is added to the mold and... | 05/29/2007 |
| 7217761 | Non-ionic thickeners for pigment compositions, in particular for paints and applications thereof The invention relates to the use of a compound with an alkylene oxide chain as a thickener of aqueous compositions, containing a filler and/or pigmented, white or colored, with the aim of supplying pigmentary compositions for paint which provide excellent pigmentary... | 05/15/2007 |
| 7211621 | Polyurethaneurea resins with trialkoxysilane groups and processes for the production thereof Polyurethaneurea resins containing at least one group of the formula (I) —NH(CO)XOR1O(CO)CHR2CH2N[CnH2nSi(OR3)3](CO)NH— (I) and/or at least one group of the for... | 05/01/2007 |
| 7208560 | Process for the preparation of urethane resins and urethane resin compositions A process for the preparation of urethane resins, which comprises the steps of: preparing a product (A) having a hydrolysable group directly bonded to 1–10 silicon atoms and having less than two secondary amino groups in one molecule; preparing a product (B) havin... | 04/24/2007 |
| 7205356 | 2-K PU systems Catalysts for the accelerated curing of polyisocyanates with polyols, and to polyurethane systems comprising these. The catalysts are used in a two-component coating system based on polyurethanes including (a) polyisocyanates, (b) compounds having groups which are r... | 04/17/2007 |
| 7205374 | Two-part polyurethane adhesive for bonding insulation boards to a roof deck A method of preparing an adhesive, the method comprising combining an isocyanate, a polyhydroxyl phenol-containing compound, a polyol, and a trimerization catalyst. ... | 04/17/2007 |
| 7202284 | Foamed thermoplastic polyurethanes Process for the preparation of foamed thermoplastic polyurethanes characterized in that the foaming of the thermoplastic polyurethane is carried out in the presence of thermally expandable microspheres. ... | 04/10/2007 |