Radiation-curable urethane acrylates containing iso-cyanate groups and their use
November 15, 2020. 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 ReferencesProcess utilizing a photopolymerizable and moisture curable coating containing partially capped isocyanate prepolymers and acrylate monomers Process for coating a substrate with a radiation and moisture curable coating composition Stain resistant, abrasion resistant polyurethane coating composition, substrate coated therewith and production thereof Ultraviolet curable conformal coatings Dual curing composition based on isocyanate trimer and use thereof Reactive water-emulsifiable binders and their use for the production of lacquers Radiation-curable, aqueous dispersions, production and use thereof Preparing radiation-curable, urethane-functional prepolymers Aqueous coating compositions containing urethane (meth)acylates having UV-hardening isocyanate groups Coating composition containing UV-curable urethane (meth)acrylates containing isocyanate groups and urethane (meth)acrylates containing hydroxyl groups Patent #: 6500876 InventorsApplicationNo. 713742 filed on 11/15/2000US Classes:522/90, Processes involving a polyurethane having terminal ethylenic unsaturation as reactant or as solid polymer; or compositions therefore522/92, With a reactant containing ethylenic unsaturation derived from poly 1,2 epoxide or polymer522/93, With polycarboxylic acid or derivative and a polyol, a condensate or solid polymer thereof reactant522/96, With ethylenic reactant522/97, Polyurethane has an oxygen other than as part of a urethane or carboxylic acid ester group522/107, With ethylenic reactant522/139, N-C=O containing522/140, Two or more N-C=O groups522/167, Processes of preparing a solid polymer from heterocyclic nitrogen monomers; or compositions therefore, e.g., carbazole, etc.522/173, Processes of preparing a solid polymer from at least one nitrogen containing monomer; or compositions therefore522/174Nitrogen containing reactant contains a N-C=O or N-C=O moietyExaminersPrimary: Berman, Susan W.Attorney, Agent or FirmForeign Patent References
International ClassesC09D 175/14C08F 002/50 Foreign Application Priority Data1999-11-23 DEAbstractThe 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 but no free isocyanate groups or any isocyanate-reactive groups,the wt. % under a) and b) adding up to 100 wt. %, based on the weight of a)+b), andc) 0 to 10 wt. %, based on the sum of components a) and b) of a UV initiator for free radical polymerization.The invention also relates to metal, plastic, film, wood, leather and mineral substrates coated with the above-mentioned radiation-curable coating composition.Other References
Field of SearchWith ethylenic reactantPolyurethane has an oxygen other than as part of a urethane or carboxylic acid ester group With ethylenic reactant With ethylenic reactant Processes of preparing a solid polymer from at least one nitrogen containing monomer; or compositions therefore Nitrogen containing reactant contains a N-C=O or N-C=O moiety With a reactant containing ethylenic unsaturation derived from poly 1,2 epoxide or polymer With polycarboxylic acid or derivative and a polyol, a condensate or solid polymer thereof reactant Processes of preparing a solid polymer from heterocyclic nitrogen monomers; or compositions therefore, e.g., carbazole, etc. N-C=O containing Two or more N-C=O groups | |
