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Official data from INPI

PROCESSO PARA PRODUZIR SOLVENTES AROMÁTICOS DE ELEVADA QUALIDADE.

Em ExigênciaInvention Patent

Application data

Number

PI8402228

Type

Invention Patent

Filing

05/11/1984

Publication

12/17/1985

Progress at the INPI

  1. Filing05/11/84
  2. Publication12/17/85
  3. Abandoned11/03/87
  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.

Talk to a specialist

Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

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Inventors

G. A. (pessoa física)

L. B. (pessoa física)

P. M. (pessoa física)

Technical data

Priority claims

US

603,031 · 04/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/03/1989

RPI 989

6.2

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação do pedido de patente

#3.1

12/17/1985

RPI 791

Pedido de patente depositado

#2.1

07/24/1984

RPI 718

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01D 3/40; B01D 13/00.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

04/10/1990

RPI 1013

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