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Official data from INPI

MÉTODO E CATALISADOR PARA PRODUZIR AMINAS

Em AnáliseInvention PatentPCT · US1989000694

Application data

Number

PI8907390

Type

Invention Patent

Filing

02/17/1989

Publication

05/14/1991

PCT

US1989000694

Progress at the INPI

  1. Filing02/17/89
  2. Publication05/14/91
  3. Examination06/08/93
  4. Allowance
  5. Grant
  6. In force

Published on 05/14/1991, 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: 11/21/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

B. G. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Notificação de entrada na fase nacional - PCT

#1.3

05/14/1991

RPI 1067

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