Novel polymeric compounds
Patent 4294949 Issued on October 13, 1981. Estimated Expiration Date: 
January 25, 2000. 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.
January 25, 2000. 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 3004957 3645988 Novel polymeric N-heterocyclic compounds Patent #: 4210612 InventorAssigneeApplicationNo. 06/115277 filed on 01/25/1980US Classes:526/262, Imide monomer526/258, From monomer containing nitrogen atom as part of a heterocyclic ring526/263, Nitrogen of ring is bonded directly or indirectly to extracyclic ethylenic moiety526/2656-membered ring contains a single nitrogen atomExaminersPrimary: Wong, Harry Jr.Attorney, Agent or FirmInternational ClassesC07D 211/00 (20060101)C07D 211/46 (20060101) C07D 211/58 (20060101) C08F 20/00 (20060101) C08L 101/00 (20060101) C08F 20/60 (20060101) C08F 20/34 (20060101) C07D 471/00 (20060101) C07D 471/10 (20060101) Foreign Application Priority Data1977-07-19 CHAbstractHomopolymeric acrylates and methacrylates which carry N-heterocyclic rings in a side position and their copolymers with compounds containing at least one polymerizable double bond are suitable as additives for plastics. | |
