Retificação
#15.3
04/29/1997
RPI 1378
Back to search
Official data from INPI
PROCESSO PARA PRODUÇÃO DE ÁCIDO CLÓRICO
Em AnáliseInvention Patent
Application data
Number
PI8904628Type
Invention Patent
Filing
09/14/1989
Publication
04/24/1990
Progress at the INPI
- Filing09/14/89
- Publication04/24/90
- Examination10/09/90
- Allowance
- Grant
- In force
Published on 04/24/1990, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.
Latest action published by the INPI: 04/29/1997. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Sterling Canadá, Inc.
US
Tenneco Canada Inc
CA
Inventors
G. C. (pessoa física)
CA
M. L. (pessoa física)
CA
Z. T. (pessoa física)
CA
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
14.1
03/30/1993
RPI 1165
Solicitação de exame técnico
#4.1
10/09/1990
RPI 1036
Publicação do pedido de patente
#3.1
04/24/1990
RPI 1015
Pedido de patente depositado
#2.1
01/23/1990
RPI 1003
Related
From the same holder
Same category
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.