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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE POLÍMEROS

PublicadaInvention Patent

Application data

Number

PI8901977

Type

Invention Patent

Filing

04/27/1989

Publication

12/05/1989

Progress at the INPI

  1. Filing04/27/89
  2. Publication12/05/89
  3. Abandoned12/24/91
  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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

G. R. (pessoa física)

NL

J. S. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8801123 · 04/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/05/1989

RPI 998

Pedido de patente depositado

#2.1

06/06/1989

RPI 972

Arquivamento - Art. 36 §1° da LPI

#11.2

08/01/1995

RPI 1287

Exigência - art. 36 da LPI

#6.1

09/20/1994

RPI 1242

Solicitação de exame técnico

#4.1

12/24/1991

RPI 1099

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