| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 524839000 | Solid polymer or SICP derived from -N=C=X (X is chalcogen) containing reactant | 17 |
| 20100105833 | WATER-EMULSIFIABLE POLYISOCYANATES - The present invention describes a process for preparing water-emusifiable polyisocyanate. | 04-29-2010 |
| 20110077352 | AQUEOUS POLYURETHANE RESIN DISPERSION, PREPARATION METHOD OF THE SAME, AND COATING COMPOSITION CONTAINING THE SAME - Disclosed is an aqueous polyurethane resin dispersion which comprises a polyurethane resin which is obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polycarbonate polyol having an alicyclic structure in the main chain, (b) an acidic group-containing polyol compound and (d) a polyisocyanate, and (B) a chain-elongating agent, being dispersed in an aqueous medium, a carboxylic acid group content of the above-mentioned (A) polyurethane prepolymer based on a solid component of (A) the polyurethane prepolymer is 2.0 to 13.0% by weight, and a number of a hydroxyl equivalent of a mixture of the above-mentioned (a) polycarbonate polyol having an alicyclic structure in the main chain, the above-mentioned (b) acidic group-containing polyol compound, and, if necessary, (c) a polyol other than (a) and (b) is 70 to 270. | 03-31-2011 |
| 20110136976 | AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME - This is to provide an aqueous polyurethane resin dispersion which can form a tough coating film. | 06-09-2011 |
| 20110245415 | PROCESS FOR FORMING A WATERBORNE COMPOSITE POLYURETHANE/ACRYLIC POLYMER DISPERSION - The present invention provides a process for forming a waterborne composite polyurethane/acrylic polymer dispersion without the use of N-methyl pyrrolidone. The process includes polymerizing a reaction mixture of polyisocyanate, polyol, and a hydroxyl and carboxylic acid functional reactant in an organic solvent medium of alkyl carbonate, then adding ethylenically unsaturated monomers and inverting the mixture into an aqueous medium. Addition polymerization is performed to yield a waterborne composite polyurethane/acrylic polymer dispersion, and any remaining alkyl carbonate is hydrolyzed. The resulting aqueous polymer dispersions are environmentally friendly and are suitable for use in coating compositions that conventionally contained similar dispersions prepared in the presence of N-methyl pyrrolidone. Comparable physical properties are observed. | 10-06-2011 |
| 20110257333 | Expandable elastomeric material in the presence of water or oil - A process for the preparation of an elastomer capable of swelling in oil and/or in water and brine comprising the steps of: a) making an aqueous inverse emulsion of particles of a polymer comprising a betaine group prepared by inverse emulsion polymerization of monomers A | 10-20-2011 |
| 20120041145 | AQUEOUS COATING SYSTEMS BASED ON PHYSICALLY DRYING URETHANE ACRYLATES - The invention relates to radiation curable coating systems on the basis of aqueous polyurethane dispersions, to a method for the production thereof, to the use of the coating systems as paints and/or adhesives, and to objects and substrates provided with said paints and/or adhesives. | 02-16-2012 |
| 20120095164 | CROSSLINKABLE POLYURETHANE DISPERSIONS - The invention relates to novel aqueous, crosslinkable polyurethane dispersions based on terephthalic acid polyesters, the production thereof and their use in combination with hydroxy-functional reactants for the production of lacquers, coatings and sizes which are distinguished especially by high film hardness together with high elasticity and very good adhesion. | 04-19-2012 |
| 20120149841 | AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME - An object is to obtain an aqueous polyurethane resin dispersion having excellent drying property, which can provide a coating film having high hardness. | 06-14-2012 |
| 20120190792 | Siliceous-Based Polyurea Compositions - The present invention provides siliceous-based polyurea compositions, obtainable by reacting isocyanates, alkali silicates and hydratable aluminosilicates. | 07-26-2012 |
| 20120238701 | AQUEOUS POLYURETHANE RESIN DISPERSION, PROCESS FOR PREPARING THE SAME AND USE THEREOF - An object is to obtain an aqueous polyurethane resin dispersion which provides a coating film having high hardness, oleic acid resistance and solvent resistance. | 09-20-2012 |
| 20130317171 | AQUEOUS POLYURETHANE RESIN DISPERSION AND USE THEREOF - An aqueous polyurethane resin dispersion is a dispersion of a polyurethane resin in an aqueous medium, the polyurethane resin being obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polyisocyanate compound, (b) a polyol compound including a polycarbonate polyol with a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound and (d) a blocking agent, with (B) a chain extender, the total content of urethane bonds and urea bonds being 7 to 15 wt %, the content of carbonate bonds being 15 to 40 wt %, the content of ether bonds being 0.5 to 5 wt %, the content of isocyanate groups bonded to the blocking agent being 0.2 to 2.0 wt %, each of these contents being based on solid contents, the acid value being 10 to 16 mg KOH/g. The aqueous polyurethane resin dispersion can form coating films which permit new application while exhibiting excellent water resistance and solvent resistance. A coating composition includes the dispersion. A polyurethane resin film is obtained by thermally drying a composition including the dispersion. | 11-28-2013 |
| 20140378611 | AQUEOUS URETHANE RESIN COMPOSITION - To provide an aqueous urethane resin composition with high reactivity, excellent drying characteristics, and the like, even under low-temperature environment. | 12-25-2014 |
| 20150141573 | AQUEOUS BLOCKED POLYURETHANE-UREA DISPERSION - The present invention relates to an aqueous blocked polyurethaneurea dispersion which is obtainable by reacting at least one polyisocyanate, one blocking agent for isocyanate groups, one polyamine having at least one carboxyl and/or carboxylate group, and water. Additionally provided by the invention are a coating composition comprising the aqueous blocked polyurethaneurea dispersion, the use of the aqueous blocked polyurethaneurea dispersion or of the coating composition for producing a coating, a coating obtainable using the aqueous blocked polyurethaneurea dispersion or the coating composition, and a method for producing the aqueous blocked polyurethaneurea dispersion. | 05-21-2015 |
| 20160002496 | Process for Making Urethane-Isocyanates - Polyisocyanurate or polyurethane-isocyanurate polymers are made by curing an aromatic polyisocyanate or a mixture of at least one aromatic polyisocyanate and at least one polyol having a hydroxyl equivalent weight of up to 200 in which the isocyanate index is at least 2.00, in the presence of at least one isocyanate trimerization catalyst, to form a polyisocyanurate or polyurethane-isocyanurate polymer having a glass transition temperature of at least 100° C., and then exposing the polyisocyanurate or polyurethane-isocyanurate polymer formed step a) to water under superatmospheric pressure at a temperature of at least 70° C. | 01-07-2016 |
| 20160075912 | WATER-EMULSIFIABLE ISOCYANATES FOR COATINGS HAVING AN IMPROVED GLOSS - The invention relates to new, water-emulsifiable isocyanates, to a process for preparing water-emulsifiable isocyanates, and to the use thereof. | 03-17-2016 |
| 20160159965 | POLYURETHANE DISPERSION AND POLYURETHANE LAMINATE - A polyurethane dispersion is a polyurethane dispersion in which polyurethane resin produced by reaction of an isocyanate group-terminated prepolymer with a chain extender is dispersed in water. The isocyanate group-terminated prepolymer is produced by at least allowing a polyisocyanate component containing xylylene diisocyanate and/or hydrogenated xylylene diisocyanate to react with a polyol component containing diol having 2 to 6 carbon atoms, a low-molecular-weight polyol having a functionality of three or more, and an active hydrogen group-containing compound containing a hydrophilic group. The chain extender contains an alkoxysilyl compound having a primary amino group, or a primary amino group and a secondary amino group, and the molar ratio of the hydroxyl group in the low-molecular-weight polyol having a functionality of three or more is less than 25% relative to a total mol 100% of the hydroxyl group in the polyol component. | 06-09-2016 |
| 524840000 | N=C=X reactant has ionic group attached thereto, e.g., carboxyl sulfonic, etc. | 1 |
| 20100324214 | Water-Dilutable or Water-Soluble Blocked Polyisocyanates for Producing Aqueous 1K PU Coatings with Rapid Initial Physical Drying - The present invention relates to new water-dilutable or water-soluble blocked polyisocyanates which allow the preparation of bakeable one-component (1K) polyurethane coating materials which exhibit rapid initial physical drying, exhibit reduced thermal yellowing and lead to haze-free coatings, to a process for preparing them, and to their use. | 12-23-2010 |
