Abstract: Present invention refers to substituted cumarines that are capable to emit fluorescent light when illuminated by wave lengths within ultraviolet range. Present invention also refers to process of production of said substituted cumarines, well as provides compositions containing said substituted cumarines, especially compositions containing said cumarines and volatile solvents and/or adjuvants. Said compositions can be used in objects of great value for its owner, in view of facilitating the identification of such objects.
Type:
Grant
Filed:
September 20, 2005
Date of Patent:
March 9, 2010
Assignee:
Universidade Federal do Rio de Janerio UFRJ
Inventors:
Claudio Cerqueira Lopes, Rosangela Sabattini Capella Lopes, Jari Cardoso Norbega, Glaucia Slans Alves Barbosa, Maicon Guerra, Jose Roque Mota Carvalho