CATALIZADORES SINTETICOS PARA REACOES DE DESIDRATACAO E ALQUILACAO DE COMPOSTOS ORGANICOS

1. Filing09/08/78
2. Publication
3. Examination03/09/82
4. Allowance
5. Grant08/30/88
6. In force09/08/98

The patent was granted on 08/30/1988 and is in force until 09/08/1998. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:09/08/1998

Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.