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Official data from INPI

FORMULAÇÃO BIOCIDA LÍQUIDA, PROCESSO PARA PREPARAR TAL FORMULAÇÃO E USO DE TAL FORMULAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8200451

Type

Invention Patent

Filing

01/27/1982

Publication

11/30/1982

Progress at the INPI

  1. Filing01/27/82
  2. Publication11/30/82
  3. Examination02/05/85
  4. Allowance12/06/88
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

See this company's full portfolio

Inventors

J. G. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

81025598102559 · 01/28/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/06/1988

RPI 946

Exigência - art. 36 da LPI

#6.1

05/24/1988

RPI 918

Solicitação de exame técnico

#4.1

02/05/1985

RPI 746

Publicação do pedido de patente

#3.1

11/30/1982

RPI 632

Pedido de patente depositado

#2.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

Patente extinta em 27/01/97

07/01/2008

RPI 1956

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