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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UMA SOLUÇÃO DE CLORITO AQUOSA

DeferidaInvention Patent

Application data

Number

PI8405351

Type

Invention Patent

Filing

02/23/1984

Publication

02/12/1985

Progress at the INPI

  1. Filing02/23/84
  2. Publication02/12/85
  3. Examination01/21/86
  4. Allowance09/19/89
  5. Grant05/29/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. B. (pessoa física)

DE

Inventors

P. B. (pessoa física)

DE

Technical data

Priority claims

DE

P 33 06 753.8 · 02/25/1983

DE

P 33 07 569.7 · 03/03/1983

DE

P 34 03 631.8 · 02/02/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/19/1989

RPI 987

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

Exigência - art. 36 da LPI

#6.1

10/04/1988

RPI 937

4.1.2

03/11/1986

RPI 803

Solicitação de exame técnico

#4.1

01/21/1986

RPI 796

Notificação de entrada na fase nacional - PCT

#1.3

02/12/1985

RPI 747

Carta-patente expirada

#21.1

Patente extinta em 23/02/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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