PROCESSO PARA A PREPARAÇÃO DE UM DERIVADO DE CICLOPROPANO E USO DO ANIDRIDO DE FÓRMULA III.

1. Filing11/27/81
2. Publication08/31/82
3. Examination08/28/84
4. Allowance03/11/86
5. Grant09/30/86
6. In force11/27/01

The patent was granted on 09/30/1986 and is in force until 11/27/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:11/27/2001

Latest action published by the INPI: 09/30/1986. We update with every new RPI gazette, published weekly.