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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE DERIVADOS CLORADOS DE COMPOSTOS PIRIDÍNICOS

Prazo de SigiloInvention Patent

Application data

Number

PI8903488

Type

Invention Patent

Filing

07/14/1989

Publication

03/20/1990

Progress at the INPI

  1. Filing07/14/89
  2. Publication03/20/90
  3. Examination06/23/92
  4. Allowance03/19/96
  5. Grant12/31/96
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay & Cie

BE

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Inventors

F. J. (pessoa física)

BE

J. F. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

FR

88.09718 · 07/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/10/1989

RPI 990

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07D 213/61; C07C 147/02.

03/20/2018

RPI 2463

Carta-patente expirada

#21.1

Patente extinta em 14/07/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

12/31/1996

RPI 1361

Deferimento

#9.1

03/19/1996

RPI 1320

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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