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Official data from INPI

COMPOSIÇÃO DETERGENTE EM PÓ, ESTRUTURADA.

Em AnáliseInvention Patent

Application data

Number

PI8604308

Type

Invention Patent

Filing

09/09/1986

Publication

05/05/1987

Progress at the INPI

  1. Filing09/09/86
  2. Publication05/05/87
  3. Examination05/09/89
  4. Allowance07/20/93
  5. Grant02/16/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

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Inventors

A. (. (pessoa física)

GB

J. D. (pessoa física)

GB

P. K. (pessoa física)

GB

R. W. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8552621 · 09/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

Publicação do pedido de patente

#3.1

05/05/1987

RPI 863

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Carta-patente expirada

#21.1

Patente extinta em 09/09/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/16/1994

RPI 1211

Deferimento

#9.1

07/20/1993

RPI 1181

Exigência - art. 36 da LPI

#6.1

07/07/1992

RPI 1127

Exigência - art. 36 da LPI

#6.1

11/12/1991

RPI 1093

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