Internally-curable water-based polyurethanes
Patent 5095069 Issued on March 10, 1992. Estimated Expiration Date: 
August 30, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 30, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3297745 3509234 3748294 3759809 3775377 3782961 Water-reduced urethane coating compositions Water-reduced urethane coating compositions Aqueous polyurethane emulsions Photopolymerizable copying composition InventorsAssigneeApplicationNo. 575024 filed on 08/30/1990US Classes:524/591, Water DNRM524/839, Solid polymer or SICP derived from -N=C=X (X is chalcogen) containing reactant528/61, With organic nitrogen reactant which contains two NH, =NH, or HNH groups528/64, Organic NH, =NH or HNH nitrogen reactant contains a carbocyclic or aromatic ring528/75Reactant contains at least one ethylenically unsaturated groupExaminersPrimary: Michl, Paul R.Assistant: Niland, Patrick D. Attorney, Agent or FirmForeign Patent References
International ClassesC08J 003/00C08K 003/20 C08L 075/00 AbstractThere is provided herein a stable water-based internally-crosslinkable unsaturated polyurethane composition containing unsaturated groups comprising an allyl group and another ethylenically unsaturated group that can react with the allyl group to form a solvent resistant coating.Field of SearchWater DNRMSolid polymer or SICP derived from -N=C=X (X is chalcogen) containing reactant With organic nitrogen reactant which contains two NH, =NH, or HNH groups Organic NH, =NH or HNH nitrogen reactant contains a carbocyclic or aromatic ring Reactant contains at least one ethylenically unsaturated group | |
