...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 6599354 | Piperazinone derivatives with alkoxysilane groups The present invention relates to new alkoxysilane-functional piperazinone derivatives, a process for their production, as well as their use as additives in sealants, adhesives, lacquers or coating agents.... | 07/29/2003 |
| 6599955 | Radiation-curable urethane acrylates containing iso-cyanate groups and their use The invention relates to radiation-curable coating composition containing: a) 10 to 100 wt. % of a urethane (meth)acrylate which contains both (meth)acryloyl groups and free isocyanate groups, b) 0 to 90 wt. % of (meth)acrylates which contain (meth)acryloyl groups ... | 07/29/2003 |
| 6599635 | Inorganic coating composition, a method for producing same and the use thereof The present invention relates to inorganic coating compositions based on cyclic carbosiloxanes, inorganic polycondensates and ,ω-functional linear oligosiloxanes, and also to a process for production thereof and to the use thereof and to a non-sti... | 07/29/2003 |
| 6590098 | Method of preparing aliphatic polyisocyanates with uretdione, isocyanurate and iminooxadiazindione structures The invention relates to a method of preparing an aliphatic polyisocyanate by conversion of an aliphatic diisocyanate to a polyisocyanates in the presence of a catalyst, wherein the catalyst contains a saline compound having 5 to 97.1 wt. % of a 1,2,3- an... | 07/08/2003 |
| 6590028 | Aqueous two-component polyurethane systems with increased impact resistance, high stability and good optical properties, method for producing same and their use The invention relates to aqueous two-component polyurethane systems, a process for their production, and their use for the production of coatings having increased impact strength, high stability properties and outstanding optical properties.... | 07/08/2003 |
| 6590066 | 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 polypropylene oxide amine with an excess amount of an ester of fumaric or maleic acid to form a mixture containing first polyaspartic ester componen... | 07/08/2003 |
| 6586521 | Aqueous dispersions containing a mixture of copolymers and their use in binders Aqueous solutions or dispersions of copolymers A) a process of making them and their use in binder compositions. Copolymers A) containing a hydroxy-functional, hydrophobic copolymer I) containing 30 to 85% by weight of (meth)acrylic acid esters having C | 07/01/2003 |
| 6583216 | Malonic ester-blocked HDI trimer with IPDA stabilization and formaldehyde stabilization The present invention relates to blocked polyisocyanate cross-linking agents and their use in one-component stoving lacquers, in particular in solvent-containing or predominantly water-based plastics coatings having a soft-feel effect.... | 06/24/2003 |
| 6573346 | Oligomeric and polymeric telechelics The invention relates to a new process for the preparation of functionalized telechelics based on vinyl polyrners, the telechelics prepared in this way and their use in the plastics, fibers or coating sector.... | 06/03/2003 |
| 6572031 | Air-assisted, low pressure spray equipment having an improved spray nozzle The present invention relates to air-assisted, low pressure spray equipment having an improved spray nozzle including 1) a caulking gun having a carriage adapted to receive two or more cartridges having a nozzle, 2) a static mixer having an upstream end and a ... | 06/03/2003 |
| 6569944 | Process for preparing urethanes containing (meth)-acryloyl groups as binders for powder coatings The present invention relates to a process for preparing urethanes containing (meth)acryloyl groups that are suitable as binders for powder coatings by reacting a polyisocyanate component with a hydroxyl group-containing component that contains at least o... | 05/27/2003 |
| 6565973 | Composite particles The present invention relates to a composite particle containing a solid inorganic or organic colorless support material and adherent to it an inorganic and/or organic pigment particle, wherein the pigment particle has an average particle size of 1 nm to ... | 05/20/2003 |
| 6562894 | Aqueous reactive putties (II) The invention relates to aqueous reactive 2-component binder combinations for aqueous reactive filler compositions, processes for the preparation of aqueous reactive filler compositions based on aqueous reactive 2-component binder combinations and the use... | 05/13/2003 |
| 6562463 | One-component stoving composition and use thereof This invention relates to a new one-component stoving composition, which can be baked at low temperatures without the release of volatile compounds and which also has satisfactory stability when stored at room temperature. The invention also relates to th... | 05/13/2003 |
| 6559225 | Polyurethane dispersions This invention relates to binders for aqueous coatings, to a process for the production thereof and to the use thereof for lacquers and coatings.... | 05/06/2003 |
| 6559274 | Stabilized monoaspartic acid esters and polyaspartic acid esters The present invention relates to a composition comprising monoaspartic acid esters and polyaspartic acid esters as well as an addition product prepared from an unsaturated dicarboxilic acid compound and a thiol, a process for their production, and their u... | 05/06/2003 |
| 6559264 | Malonic acid ester/triazole mixed blocked HDI trimer/formaldehyde stabilization The present invention relates to blocked polyisocyanate crosslinking agents, to the production thereof and to the use thereof in single-component stoving lacquers, particularly OEM clear lacquers (original equipment material, initial lacquer coating).... | 05/06/2003 |
| 6555597 | Pulverent binders for powder coating compositions containing oligo- and polyurethanes having (meth)acryloyl groups The present invention relates to pulverent binders for powder coating compositions which contain oligo- and polyurethanes having (meth)acryloyl groups, are curable by means of high energy radiation and have an organic solvent content of less than 1 wt. %.... | 04/29/2003 |
| 6548615 | Reactive binding agent with an extended pot life The invention relates to a reactive composition containing A) an isocyanate-containing compound, B) a polyol, C) an organic tin or bismuth compound, D) a thiol group-containing compound or a polyphenol which is able to react with an isocyanate group in the presence... | 04/15/2003 |
| 6541536 | Polyurethane dispersions The present invention relates to radiation curable aqueous polyurethane dispersions containing 0.05 to 20 wt. %, based on the weight of the non-aqueous constituents of the aqueous polyurethane dispersions, of 2,2-dimethyl-3-hydroxypropionic acid-(2,2-dime... | 04/01/2003 |
| 6531535 | Aqueous copolymers, a process for their preparation and their use in coating compositions The present invention relates to a hydroxy-functional copolymer P, which is present as a dispersion and/or solution in water, and is obtained by successively carrying out process steps A-D: A) initially introducing a hydrophobic polymer containing hydroxyl gro... | 03/11/2003 |
| 6528573 | Aqueous two-component polyurethane systems with increased impact resistance and good stability properties, method for producing same and their use This invention relates to aqueous two-component polyurethane systems, to a process for producing them, and to their use for the production of coatings having an enhanced impact strength and good resistance to solvents.... | 03/04/2003 |
| 6521702 | Aqueous polyurethane emulsions The present invention relates to a radiation-curable, aqueous polyurethane emulsion which is prepared by I) reacting A) 40 to 90 wt. % of an isocyanate-reactive component that contains a polyester acrylate containing hydroxyl groups and having an OH content of... | 02/18/2003 |
| 6515097 | Blocked polyisocyanates based on HDI The present invention relates to blocked polyisocyanates which are the reaction product of polyisocyanate resins prepared from HDI and containing iminooxadiazinedione groups in an amount of at least 20 mol %, based on the total moles of iminooxadiazinedio... | 02/04/2003 |
| 6512073 | Electrical insulating enamel binders having a urea and/or hydantoin structure The present invention relates to novel binders for electrical insulating enamels, comprising at least one hydroxy- and/or amino-functional polyurethane containing urea and/or hydantoin groups, prepared by reacting: a) from 15 to 40 wt. % of an organic pol... | 01/28/2003 |
| 6508290 | Method of preparing an aluminum-containing iron oxide nucleus The invention relates to a method of preparing an aluminium-containing iron oxide nucleus with an -FeOOH crystal structure from FeCl2. This nucleus is a suitable starting material for the preparation of iron oxide yellow and for use as a... | 01/21/2003 |
| 6508877 | Process for the production of an aluminium-containing iron oxide crystallization nucleus The present invention relates to a process for the production of an aluminum-containing iron oxide crystallization nucleus with a -FeOOH crystal structure from FeCl2. This nucleus is suitable as starting material for the production of ir... | 01/21/2003 |
| 6509433 | Fluorine-containing blocked isocyanates The present invention relates to blocked fluorine-containing polyisocyanates which have a fluorine content, calculated as F=19, of 1.0 to 20.0 wt. %, preferably 4.0 to 10.0 wt. %, and are suitable for preparing stoving coatings having a water- and soil-re... | 01/21/2003 |
| 6506280 | Adhesive compositions The present invention relates to an aqueous dispersion containing an isocyanate-reactive polymer and a polyisocyanate, wherein the polyisocyanate has a melting or softening point of >30° C. and is in the form of a finely divided powder having a mean part... | 01/14/2003 |
| 6503315 | Process for producing iron oxide pigments The present invention relates to a process for producing iron oxide red pigments containing the step of forming a suspension of haematite nuclei by reaction between dilute nitric acid and elemental iron above 90° C. and to pigments of pure color and thei... | 01/07/2003 |
| 6500876 | Coating composition containing UV-curable urethane (meth)acrylates containing isocyanate groups and urethane (meth)acrylates containing hydroxyl groups The invention relates to coating compositions containing: a) urethane (meth)acrylates that contain (meth)acryloyl groups and free isocyanate groups, b) urethane (meth)acrylates that contain (meth)acryloyl groups and free hydroxyl groups, c) the UV initiators t... | 12/31/2002 |
| 6489382 | Preparations of solids containing graft copolymers Preparations of solids comprising a) at least one particulate solid and b) a water-dispersible graft copolymer built up from at least one hydrophobic, ethylenically unsaturated monomer, optionally one or more ethylenically unsaturated hydrophilic monomers, and... | 12/03/2002 |
| 6488991 | 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 a two or more rams and containing a two or more cartridges to incrementally advance a ram into operative en... | 12/03/2002 |
| 6482885 | Coating composition comprising diverse anionic polyurethane-polyurea dispersions The present invention relates to coating compositions comprising a mixture of at least two aqueous, anionic polyurethane polyurea dispersions A and B, wherein dispersion A as a dry film has a TG in the range from -30° C., to -45° and dispersion B as a d... | 11/19/2002 |
| 6478866 | Aqueous pigment preparations Aqueous pigment preparations containing a) at least one pigment, b) at least one condensation product based on A) suphonated aromatics, B) aldehydes and/or ketones and optionally C) one or several compounds selected from the group of non sulphonated aroma... | 11/12/2002 |
| 6479106 | Coated substrates prepared from special polyols and oxalic acid The present invention relates to coated substrates obtained by stoving mixtures containing A) 1 part by weight of ester group-free polyols having an OH content of 1 to 10%, B) 0.05 to 1 part by weight of oxalic acid and C) 0.2 to 5 parts by weight of organic s... | 11/12/2002 |
| 6465539 | Elastic coating system comprising UV-curable urethane (meth)acrylates containing isocyanate groups and its use The invention relates to an elastic coating system with which dry surfaces can be formed by UV curing of constituents containing (meth)acryloyl groups and by subsequent crosslinking of constituents containing NCO groups with constituents containing active... | 10/15/2002 |
| 6458441 | Substrate having a section with a peelable coating and a surface decoration The present invention relates to a substrate with at least one section having a surface decoration and a coating between the surface and the decoration. The coating can be peeled from the surface, and is prepared from an aqueous anionic polyurethane-polyu... | 10/01/2002 |
| 6458293 | Polyurea coatings from dimethyl-substituted polyaspartic ester mixtures A method for making a polyurea coating by: (a) coating a substrate with a coating composition containing effective coating-forming amounts of (i) a polyisocyanate component, and (ii) an polyaspartic ester mixture. The invention also relates to the coating... | 10/01/2002 |
| 6458898 | Two-component polyurethane coating compositions containing polyester polyols as a binder component Two-component polyurethane coating compositions containing wherein the binder contains polyisocyanates and certain polyester polyols having hydroxyl numbers of 80 to 250 prepared from a) polyol mixtures and b) aliphatic unsaturated dicarboxylic acids and,... | 10/01/2002 |