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Official data from INPI

PROCESSO DE CONTROLE DO AUMENTO DA EXIGÊNCIA DE OCTANAGEM DE MOTORES DE COMBUSTÃO INTERNA COMPOSIÇÃO DE GASOLINA MELHORADA E CONCENTRADO DE ADITIVO PARA GASOLINA.

PublicadaInvention Patent

Application data

Number

PI8705814

Type

Invention Patent

Filing

10/31/1987

Publication

05/31/1988

Progress at the INPI

  1. Filing10/31/87
  2. Publication05/31/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 10/31/1987 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

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Inventors

N. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

925.168 · 10/31/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

03/08/1988

RPI 907

Arquivamento - Art. 33 da LPI

#11.1

04/30/1991

RPI 1065

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