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Official data from INPI

PROCESSOS DE PREPARAÇÃO DE RESINAS DE PETRÓLEO

Em ExigênciaInvention Patent
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Application data

Number

PI8304576

Type

Invention Patent

Filing

08/24/1983

Publication

04/02/1985
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Progress at the INPI

  1. Filing08/24/83
  2. Publication04/02/85
  3. Examination06/02/87
  4. Allowance02/06/90
  5. Grant06/26/90
  6. Terminated09/05/95

The patent was granted on 06/26/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Petróleo Brasileiro S/A - Petrobrás

RJ, BR

Petroquimica do Nordeste S/ COPENE

BA, BR

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Inventors

A. M. (pessoa física)

BR

A. F. (pessoa física)

BR

Technical data

IPC Classification

C08F 240/00C08F 4/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/08/1989

RPI 981

Exigência - art. 36 da LPI

#6.1

12/06/1988

RPI 946

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

04/02/1985

RPI 754

14.10

11/20/1984

RPI 735

14.2

10/02/1984

RPI 728

14.3

05/29/1984

RPI 710

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

Concessão da patente

#16.1

06/26/1990

RPI 1024

Deferimento

#9.1

02/06/1990

RPI 1005

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