Glyoxal/cyclic urea condensates
Patent 4345063 Issued on August 17, 1982. Estimated Expiration Date: 
May 15, 2001. 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 15, 2001. 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 3260565 3590100 3862224 Glyoxal/cyclic urea condensates Novel reactants for crosslinking textile fabrics Compositions for treating textile fabrics Patent #: 4300898 InventorAssigneeApplicationNo. 06/264016 filed on 05/15/1981US Classes:528/245, From glyoxal or compound having two or more -C(=O)-H groups per se528/249, Nonaldehyde or nonaldehyde derivative heterocyclic compound contains an oxygen atom as a ring member of the heterocyclic compound528/252, Nonaldehyde or nonaldehyde derivative heterocyclic compound contains only two nitrogen atoms as ring members of the heterocyclic compound528/256, With reactant containing >NC(=O)- or >N-C(=S)- group, e.g., urea, etc.528/259, With >N-C(=X)-N< -containing reactant wherein X is a chalcogen atom528/260, Two or more >N-C(=X)-N< -containing reactants8/185, Urea-aldehyde condensate8/186Alkylatedurea-aldehyde condensateExaminersPrimary: Clingman, A. LionelAttorney, Agent or FirmInternational ClassesC08G 12/00 (20060101)C08G 12/42 (20060101) C08G 12/26 (20060101) D06M 15/423 (20060101) D06M 15/37 (20060101) AbstractAlkylated glyoxal/cyclic urea condensates are excellent formaldehyde-free crosslinking resins for textile fabrics.Field of SearchFrom glyoxal or compound having two or more -C(=O)-H groups per seNonaldehyde or nonaldehyde derivative heterocyclic compound contains an oxygen atom as a ring member of the heterocyclic compound Nonaldehyde or nonaldehyde derivative heterocyclic compound contains only two nitrogen atoms as ring members of the heterocyclic compound With reactant containing >NC(=O)- or >N-C(=S)- group, e.g., urea, etc. With >N-C(=X)-N< -containing reactant wherein X is a chalcogen atom Two or more >N-C(=X)-N< -containing reactants | |
