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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM COMPOSTO DE 3,6-DISUBSTITUÍDO-1,2,4,5-TETRAZINA, E, COMPOSIÇÃO PESTICIDA

PublicadaInvention Patent

Application data

Number

PI8702837

Type

Invention Patent

Filing

06/03/1987

Publication

03/01/1988

Progress at the INPI

  1. Filing06/03/87
  2. Publication03/01/88
  3. Examination10/23/90
  4. Allowance06/27/95
  5. Grant01/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 03/01/1988. 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

K. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

871,198 · 06/05/1986

US

871,199 · 06/05/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/01/1988

RPI 906

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 03/06/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

11/07/1995

RPI 1301

Deferimento

#9.1

06/27/1995

RPI 1282

Exigência - art. 36 da LPI

#6.1

05/25/1993

RPI 1173

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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