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Official data from INPI

PROCESSO PARA PREPARAR UM CATALISADOR DE NÍQUEL/ALUMINA, CATALISADOR OBTIDO E PROCESSO PARA A HIDROGENAÇÃO DE COMPOSTOS ORGÂNICOS INSATURADOS

Prazo de SigiloInvention Patent

Application data

Number

PI8904008

Type

Invention Patent

Filing

08/09/1989

Publication

03/20/1990

Progress at the INPI

  1. Filing08/09/89
  2. Publication03/20/90
  3. Examination02/13/91
  4. Allowance
  5. Grant
  6. In force

Published on 03/20/1990, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

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Inventors

C. L. (pessoa física)

NL

H. R. (pessoa física)

DE

J. O. (pessoa física)

NL

Technical data

Priority claims

NL

EP88201715.5 · 08/10/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/07/1989

RPI 994

Retificação

#15.3

02/13/1996

RPI 1315

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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