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Official data from INPI

COMPOSIÇÕES CATALÍTICAS, PROCESSO PARA A PREPARAÇÃO DE POLÍMEROS E TETRACIS-FOSFINAS

ArquivadaInvention Patent

Application data

Number

PI9003357

Type

Invention Patent

Filing

07/12/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/12/90
  2. Publication08/27/91
  3. Abandoned08/31/93
  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: 04/06/1999. 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

A. M. (pessoa física)

NL

J. K. (pessoa física)

NL

P. W. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8901829 · 07/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

05/05/1998

RPI 1428

Solicitação de exame técnico

#4.1

08/31/1993

RPI 1187

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/15/1991

RPI 1050

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