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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE 3-BENZOIL-4-OXOLACTAMAS E COMPOSIÇÃO HERBICIDA À BASE DESTAS

PublicadaInvention Patent

Application data

Number

PI8702907

Type

Invention Patent

Filing

06/09/1987

Publication

09/20/1988

Progress at the INPI

  1. Filing06/09/87
  2. Publication09/20/88
  3. Examination11/27/90
  4. Allowance10/26/93
  5. Grant08/30/94
  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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stauffer Chemical Company

US

Zeneca AG Products Inc.

US

See this company's full portfolio

Inventors

J. C. (pessoa física)

US

Technical data

Priority claims

US

021.811 · 03/13/1987

US

871.973 · 06/09/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/20/1988

RPI 935

Pedido de patente depositado

#2.1

08/11/1987

RPI 877

Carta-patente expirada

#21.1

Patente extinta em 09/06/2002

07/29/2008

RPI 1960

Transferência deferida

#25.1

Transferido de: Stauffer Chemical Company

12/26/2000

RPI 1564

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/15/1994

RPI 1215

Deferimento

#9.1

10/26/1993

RPI 1195

Exigência - art. 36 da LPI

#6.1

08/18/1992

RPI 1133

Exigência - art. 36 da LPI

#6.1

11/26/1991

RPI 1095

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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