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Official data from INPI

COMPOSIÇÃO DETERGENTE SUBSTANCIALMENTE ISENTA DE FOSFATO.

Em ExigênciaInvention Patent
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Application data

Number

PI8302442

Type

Invention Patent

Filing

05/10/1983

Publication

01/17/1984
View on INPI

Progress at the INPI

  1. Filing05/10/83
  2. Publication01/17/84
  3. Examination05/13/86
  4. Allowance02/06/90
  5. Grant08/28/90
  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.

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Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

De Blauwe Lier B.V.

NL

Inventors

G. B. (pessoa física)

NL

Technical data

IPC Classification

C11D 3/20C11D 3/39

Priority claims

NL

8201953 · 05/12/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

10/18/1988

RPI 939

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Publicação do pedido de patente

#3.1

01/17/1984

RPI 691

Pedido de patente depositado

#2.1

06/28/1983

RPI 662

Carta-patente expirada

#21.1

Patente extinta em 10/05/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/29/1990

RPI 1020

Deferimento

#9.1

02/06/1990

RPI 1005

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