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Official data from INPI

PROCESSO PARA O CONTROLE SELETIVO DO CRESCIMENTO DE ERVAS DANINHAS EM ARROZAIS, COMPOSIÇÃO HERBICIDA, BEM COMO PROCESSO PARA PREPARAR UM ENANCIÔMERO

PublicadaInvention Patent

Application data

Number

PI8702763

Type

Invention Patent

Filing

05/29/1987

Publication

03/01/1988

Progress at the INPI

  1. Filing05/29/87
  2. Publication03/01/88
  3. Examination08/28/90
  4. Allowance10/19/93
  5. Grant05/31/94
  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

Imperial Chemical Industries Plc.

GB

See this company's full portfolio

Inventors

D. C. (pessoa física)

GB

J. B. (pessoa física)

GB

J. S. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8613200 · 05/30/1986

GB

8704390 · 02/25/1987

GB

8711397 · 05/14/1987

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 29/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/19/1993

RPI 1194

Exigência - art. 36 da LPI

#6.1

05/04/1993

RPI 1170

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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