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Official data from INPI

APARELHO E PROCESSO PARA A PREPARAÇÃO DE UMA EMULSÃO DE ÓLEO EM ÁGUA E PROCES SO PARA A COMBUSTÃO DE UM ÓLEO COMBUSTÍVEL EMULSIFICADO

PublicadaInvention Patent

Application data

Number

PI8803726

Type

Invention Patent

Filing

07/27/1988

Publication

02/14/1989

Progress at the INPI

  1. Filing07/27/88
  2. Publication02/14/89
  3. Abandoned02/13/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The British Petroleum Company Plc

GB

See this company's full portfolio

Inventors

I. S. (pessoa física)

S. P. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8717836 · 07/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/14/1989

RPI 956

Pedido de patente depositado

#2.1

12/27/1988

RPI 949

Arquivamento - Art. 36 §1° da LPI

#11.2

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

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