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Official data from INPI

PROCESSO DE MISTURA E HOMOGENEIZAÇÃO DE HIDROCARBONETOS

IndeferidaInvention Patent

Application data

Number

PI9600816

Type

Invention Patent

Filing

02/26/1996

Publication

12/23/1997

Progress at the INPI

Under appeal
  1. Filing02/26/96
  2. Publication12/23/97
  3. Examination
  4. Refused03/08/05
  5. Grant
  6. In force

The application was refused by the INPI on 03/08/2005. The invention was never patented.

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Latest action published by the INPI: 03/08/2005. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Petróleo Brasileiro S/A - Petrobrás

RJ, BR

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Inventors

C. D. (pessoa física)

BR

N. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/08/2005

RPI 1783

Conhecimento de parecer técnico

#7.1

08/24/2004

RPI 1755

Publicação do pedido de patente

#3.1

12/23/1997

RPI 1409

Pedido de patente depositado

#2.1

04/09/1996

RPI 1323

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