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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UM DERIVADO DE AMINA AROMÁTICA

PublicadaInvention Patent
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Application data

Number

PI8800483

Type

Invention Patent

Filing

02/05/1988

Publication

09/27/1988
View on INPI

Progress at the INPI

  1. Filing02/05/88
  2. Publication09/27/88
  3. Examination02/13/91
  4. Allowance10/03/95
  5. Grant04/30/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mitsui Chemicals,Inc.

JP

Mitsui Petrochemical Industries, Ltd

JP

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Inventors

D. F. (pessoa física)

JP

I. H. (pessoa física)

JP

K. T. (pessoa física)

JP

Technical data

IPC Classification

A01N 43/08A01N 43/16A01N 43/28A01N 43/90C07D 307/79C07D 307/80C07D 307/83C07D 307/91C07D 311/02C07D 311/80C07D 319/08C07D 405/12C07D 493/04

Priority claims

JP

62-23553 · 02/05/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/27/1988

RPI 936

Pedido de patente depositado

#2.1

05/31/1988

RPI 919

Carta-patente expirada

#21.1

Patente extinta em 05/02/2003

09/02/2008

RPI 1965

Alteração de nome deferida

#25.4

Alterado de: Mitsui Petrochemical Industries, LTD

11/10/1998

RPI 1453

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

10/03/1995

RPI 1296

Exigência - art. 36 da LPI

#6.1

08/16/1994

RPI 1237

Exigência - art. 36 da LPI

#6.1

02/22/1994

RPI 1212

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

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