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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE DERIVADOS CLORADOS DE COMPOSTOS DE PIRIDINA.

Em AnáliseInvention Patent

Application data

Number

PI8503946

Type

Invention Patent

Filing

08/19/1985

Publication

06/03/1986

Progress at the INPI

  1. Filing08/19/85
  2. Publication06/03/86
  3. Examination04/26/88
  4. Allowance12/01/92
  5. Grant06/29/93
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay & Cie

BE

See this company's full portfolio

Inventors

J. F. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

FR

84.13049 · 08/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

06/03/1986

RPI 815

Pedido de patente depositado

#2.1

10/22/1985

RPI 783

Carta-patente expirada

#21.1

Patente extinta em 19/08/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

04/20/1993

RPI 1168

Deferimento

#9.1

12/01/1992

RPI 1148

Exigência - art. 36 da LPI

#6.1

02/26/1991

RPI 1056

Exigência - art. 36 da LPI

#6.1

10/09/1990

RPI 1036

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