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Official data from INPI

PROCESSO DE PREPARAÇÀO DE COMPOSIÇÀO HERBICIDA GRANULAR SÓLIDA E COMPOSIÇÀO HERBICIDA GRANULAR SÓLIDA

PublicadaInvention Patent

Application data

Number

PI8706821

Type

Invention Patent

Filing

12/15/1987

Publication

07/19/1988

Progress at the INPI

  1. Filing12/15/87
  2. Publication07/19/88
  3. Examination11/06/90
  4. Allowance06/20/95
  5. Grant12/26/95
  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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Limited

GB

Zeneca Limited

GB

See this company's full portfolio

Inventors

A. B. (pessoa física)

GB

D. K. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8630262 · 12/18/1986

GB

8724826 · 10/23/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 15/12/2002

07/29/2008

RPI 1960

Transferência deferida

#25.1

Transferido de: Imperial Chemical Industries PLC

07/03/2001

RPI 1591

Concessão da patente

#16.1

12/26/1995

RPI 1308

Notificação para pagamento de retribuição

#13.1

10/31/1995

RPI 1300

Deferimento

#9.1

06/20/1995

RPI 1281

Exigência - art. 36 da LPI

#6.1

02/22/1994

RPI 1212

Solicitação de exame técnico

#4.1

11/06/1990

RPI 1040

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