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Official data from INPI

MÉTODO DE PREPARAÇÃO DE UM CATALISADOR, PROCESSO PARA A PREPARAÇÃO DE AMINAS ORTO-ALQUILADAS E CATALISADOR

ArquivadaInvention Patent

Application data

Number

PI9005108

Type

Invention Patent

Filing

10/05/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/05/90
  2. Publication09/17/91
  3. Abandoned02/16/94
  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: 08/24/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

G. H. (pessoa física)

US

G. L. (pessoa física)

K. A. (pessoa física)

L. M. (pessoa física)

N. S. (pessoa física)

V. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

419.059 · 10/10/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/24/1999

RPI 1494

Exigência - art. 36 da LPI

#6.1

11/24/1998

RPI 1455

Solicitação de exame técnico

#4.1

02/16/1994

RPI 1211

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/09/1991

RPI 1062

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