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Official data from INPI

PROCESSO PARA A SÍNTESE DE UM COMPOSTO DERIVADO DE CICLOHEXANO-1,3-DIONA.

Em AnáliseInvention Patent

Application data

Number

PI8602003

Type

Invention Patent

Filing

05/05/1986

Publication

01/06/1987

Progress at the INPI

  1. Filing05/05/86
  2. Publication01/06/87
  3. Examination02/14/89
  4. Allowance09/08/93
  5. Grant03/29/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI Australia Limited

AU

See this company's full portfolio

Inventors

K. W. (pessoa física)

AU

Technical data

Priority claims

AU

PH 00439 · 05/06/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/14/1989

RPI 956

Publicação do pedido de patente

#3.1

01/06/1987

RPI 846

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 131/08; C07D 307/34; C07D 333/04; C07D 207/30; A01N 43/06; A01N 35/10; A01N 43/36.

03/20/2018

RPI 2463

Carta-patente expirada

#21.1

Patente extinta em 05/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

09/08/1993

RPI 1188

Exigência - art. 36 da LPI

#6.1

02/24/1993

RPI 1160

Exigência - art. 36 da LPI

#6.1

02/25/1992

RPI 1108

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