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Official data from INPI

ADITIVO, CONCENTRADO DE ADITIVO E FLUIDO AQUOSO ISENTO DE ÓLEO

PublicadaInvention Patent

Application data

Number

PI8704486

Type

Invention Patent

Filing

08/31/1987

Publication

04/19/1988

Progress at the INPI

  1. Filing08/31/87
  2. Publication04/19/88
  3. Abandoned09/18/90
  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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

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Inventors

A. L. (pessoa física)

FR

F. K. (pessoa física)

FR

Technical data

Priority claims

GB

86-21093 · 09/01/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Arquivamento - Art. 36 §1° da LPI

#11.2

06/15/1993

RPI 1176

Exigência - art. 36 da LPI

#6.1

08/11/1992

RPI 1132

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

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