Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
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Official data from INPI
PROCESSO DE PRODUCAO DE ETANOL,UTILIZANDO CICLO DE FERMENTACAO DE CONDICOES ESTAVEIS,COM PRE-CARGA,PARA MATERIAIS DE ALTA PUREZA
Em AnáliseInvention Patent
Application data
Number
PI8506527Type
Invention Patent
Filing
12/13/1985
Publication
06/30/1987
Progress at the INPI
- Filing12/13/85
- Publication06/30/87
- Examination10/17/89
- Allowance
- Grant
- In force
Published on 06/30/1987, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.
Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
PLANALCOOL ENGENHARIA E PLANEJ [BR]
Inventors
A. G. (pessoa física)
B. C. (pessoa física)
B. J. (pessoa física)
G. E. (pessoa física)
Pessoa física
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
06/30/1987
RPI 871
Pedido de patente depositado
#2.1
03/25/1986
RPI 805
Retificação
#15.3
10/16/1990
RPI 1037
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