Polymers containing resorcinol monobenzoate
Patent 4522971 Issued on June 11, 1985. Estimated Expiration Date: 
February 25, 2003. 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.
February 25, 2003. 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 ReferencesInventorAssigneeApplicationNo. 06/469689 filed on 02/25/1983US Classes:524/547, From reactant-containing atom other than O, N, C, halogen, or hydrogen524/548, From heterocyclic monomer524/555, From nitrogen-containing monomer other than acrylonitrile or methacrylonitrile524/556, From carboxylic acid or ester thereof monomer524/558, Acid or ester contains an oxygen atom which is other than part of a free carboxyl group or carboxylic acid ester group524/559, Ester contains two or more ester groups or at least one carboxylic ester group and at least one free acid group; or carboxylic acid contains two or more free carboxyl groups524/560, From ester derived from at least one unsaturated carboxylic acid and a saturated alcohol, e.g., methyl methacrylate, etc.525/132, With saturated phenolic reactant or polymer thereof; or with solid copolymer derived from at least one phenolic reactant wherein at least one of the reactants forming the solid copolymer is saturated; or with SPFI wherein at least one of the necessary ingredients is a phenolic reactant or with a reaction product thereof; or with a SICP containing a phenolic group Si-H or Si-C bond525/327.3, Three membered chalcogen ring monomer, e.g., oxirane, etc.525/328.2, Polymer derived from monomer containing nitrogen other than: unsubstituted ammonium, acrylonitrile, acrylamide, methylolacrylamide and the corresponding methacryl materials525/328.9, Polymer derived from ether monomer525/384, Oxygen compound contains at least one alcohol group526/321Monomer containing at least two carboxylic acid ester groupsExaminersPrimary: Lipman, BernardInternational ClassesC08G 85/00 (20060101)C09D 7/12 (20060101) C08F 20/00 (20060101) C08F 20/30 (20060101) C08F 8/00 (20060101) AbstractResorcinol monobenzoate is reacted through the hydroxyl group preferably with an acrylic prepolymer containing glycidyl methacrylate. The product can be used in coating compositions and films to give highly ultraviolet absorbent properties.Other References
Field of SearchFrom reactant-containing atom other than O, N, C, halogen, or hydrogenFrom heterocyclic monomer From nitrogen-containing monomer other than acrylonitrile or methacrylonitrile From carboxylic acid or ester thereof monomer Acid or ester contains an oxygen atom which is other than part of a free carboxyl group or carboxylic acid ester group Ester contains two or more ester groups or at least one carboxylic ester group and at least one free acid group; or carboxylic acid contains two or more free carboxyl groups | |
