Official data from INPI

COMPOSIÇÃO DETERGENTE GRANULAR TENDO UM SISTEMA REFORÇADOR DE FOSFATO

Prazo de SigiloInvention Patent

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Application data

Number

PI8904035

Type

Invention Patent

Filing

08/10/1989

Publication

03/20/1990

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Progress at the INPI

Filing08/10/89
Publication03/20/90
Examination06/16/92
Allowance04/30/96
Grant04/29/97
Expired12/22/09

The letters patent expired on 12/22/2009: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Procter & Gamble Company

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Inventors

K. B. (pessoa física)

L. B. (pessoa física)

Technical data

IPC Classification

C11D 17/06 C11D 3/06

Priority claims

231.108 · 08/11/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/07/1989

RPI 994

Carta-patente expirada

#21.1

Patente extinta em 10/08/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

04/29/1997

RPI 1378

Deferimento

#9.1

04/30/1996

RPI 1326

Exigência - art. 36 da LPI

#6.1

08/01/1995

RPI 1287

Solicitação de exame técnico

#4.1

06/16/1992

RPI 1124

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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