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Official data from INPI

COMPOSIÇÃO ALVEJANTE LÍQUIDA QUE COMPREENDE PERÓXIDO DE HIDROGÊNIO, ÁGUA E UM ESTABILIZANTE

ConcedidaInvention Patent

Application data

Number

PI8101853

Type

Invention Patent

Filing

03/27/1981

Publication

10/06/1981

Progress at the INPI

  1. Filing03/27/81
  2. Publication10/06/81
  3. Examination11/16/83
  4. Allowance08/02/88
  5. Grant08/29/89
  6. Expired09/24/96

The letters patent expired on 09/24/1996: 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

Interox Chemicals Limited, companhia britânica

GB

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Inventors

D. T. (pessoa física)

GB

D. T. (pessoa física)

GB

E. S. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8010886 · 04/01/1980

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

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

10/20/1987

RPI 887

Solicitação de exame técnico

#4.1

11/16/1983

RPI 682

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

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