Coating composition of an acrylic polymer having amino ester groups and a glycidyl acrylic polymer
Patent 4525521 Issued on June 25, 1985. Estimated Expiration Date: 
July 27, 2004. 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.
July 27, 2004. 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 ReferencesInventorsAssigneeApplicationNo. 06/635350 filed on 07/27/1984US Classes:524/517, Solid polymer from oxygen heterocycle monomer428/416, Next to metal428/425.5, Next to silicon-containing (silicone, cement, etc.) layer524/100, Six-membered nitrogen ring having two or more ring nitrogen atoms524/293, Carboxylic acid or ester groups each directly attached to separate aryl groups through the carbonyl of the carboxylic acid or ester group524/295, A single aryl group524/299, Two or more aryl groups524/359, Carbocyclic ring, e.g., benzophenone, etc.524/364, With water, hydrocarbon, halohydrocarbon, or organic oxygen containing nonreactive material524/413, Transition metal other than Group VIII DNRM (i.e., Sc, Ti, Mn, Cu, Y, Zr, Tc, Hf, Re)524/501, Producing an aqueous system by mixing two or more aqueous emulsions, suspensions, dispersions, or solutions, or any of the above in admixture with one another and wherein each individually contains a solid polymer or SICP524/91, Three or more nitrogen atoms in the fused or bridged ring system525/194, Agent is an organic material525/208, Heterocyclic reactant contains 1,2-epoxy group525/228, At least two polymers derived from carboxylic acid ester reactants525/375Contains nitrogen atom in a heterocyclic ringExaminersPrimary: Lilling, Herbert J.Attorney, Agent or FirmInternational ClassesC09D 133/06 (20060101)C08L 33/00 (20060101) C08L 33/06 (20060101) AbstractA coating composition which cures at ambient temperatures of 20-80% by weight of a binder and 80-20% by weight of a solvent for the binder, the binder contains about:A. 60-80% by weight, based on the weight of the binder, of an acrylic polymer of polymerized monomers of methyl methacrylate and an alkyl methacrylate, an alkyl acrylate or mixtures thereof, each having 2-12 carbon atoms in the alkyl group and the polymer has pendent amino ester or hydroxy amino ester groups;B. 20-40% by weight, based on the weight of the binder, of a glycidyl acrylic crosslinking polymer of polymerized monomers of glycidyl methacrylate or glycidyl acrylate and an alkyl methacrylate, alkyl acrylate or mixtures thereof, each having 2-12 carbon atoms in the alkyl group.The composition is useful as an exterior finish for automobiles and trucks and for repairing finishes of automobiles and trucks. | |
