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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE COMPOSTOS TRIAZÓLICOS

Em AnáliseInvention Patent

Application data

Number

PI8603446

Type

Invention Patent

Filing

07/22/1986

Publication

03/04/1987

Progress at the INPI

  1. Filing07/22/86
  2. Publication03/04/87
  3. Examination06/09/87
  4. Allowance04/18/95
  5. Grant10/31/95
  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: 06/09/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

H. A. (pessoa física)

US

J. R. (pessoa física)

US

M. T. (pessoa física)

US

R. J. (pessoa física)

US

Technical data

Priority claims

US

759.016 · 07/25/1985

US

878.759 · 07/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação do pedido de patente

#3.1

03/04/1987

RPI 854

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Carta-patente expirada

#21.1

Patente extinta em 22/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

04/18/1995

RPI 1272

14.1

10/04/1994

RPI 1244

Exigência - art. 36 da LPI

#6.1

10/22/1991

RPI 1090

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