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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM COMPOSTO

ArquivadaInvention Patent

Application data

Number

PI8905907

Type

Invention Patent

Filing

11/23/1989

Publication

06/19/1990

Progress at the INPI

  1. Filing11/23/89
  2. Publication06/19/90
  3. Abandoned06/23/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/11/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

See this company's full portfolio

Inventors

B. G. (pessoa física)

NL

J. S. (pessoa física)

NL

W. T. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8827303.2 · 11/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.31

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

08/06/1996

RPI 1340

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

06/19/1990

RPI 1023

Pedido de patente depositado

#2.1

05/08/1990

RPI 1017

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