Polycyclic polyamines
Patent 4296004 Issued on October 20, 1981. Estimated Expiration Date: 
May 23, 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.
May 23, 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 3264350 3317469 3470248 3505402 3787371 InventorAssigneeApplicationNo. 06/152905 filed on 05/23/1980US Classes:523/400, Process of forming a composition containing a nonreactive material (NRM) and a polymer containing more than one 1,2-epoxy group, or a preformed polymer derived from or admixed with a reactant containing more than one 1,2-epoxy group, or with a polymer derived from an epihalohydrin and a polyhydric phenol or polyol; or composition or product thereof525/507, Mixed with an 1,2-epoxy-containing chemical treating agent528/122, Nitrogen reactant having at least one amino-nitrogen atom contains a cycloaliphatic ring528/407Reactant which is devoid of a heterocyclic ring containing oxygen, selenium or tellurium as ring atoms, contains at least one nitrogen atomExaminersPrimary: Nielsen, EarlAttorney, Agent or FirmInternational ClassesC07C 211/19 (20060101)C08G 59/00 (20060101) C07C 211/00 (20060101) C08G 59/50 (20060101) AbstractDisclosed herein are tricyclic and pentacyclic polyamines having a secondary or tertiary amine group on an amine functional substituent and at least one primary amine group on each of two amine functional substituents in the molecule. These compounds function excellently as non-visibly carbonating epoxy curing agents and in addition unlike most other amines exhibit a mild amine odor. | |
