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Official data from INPI

COMPOSIÇÃO E PROCESSO PARA TRATAMENTO DE TECIDOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904720

Type

Invention Patent

Filing

09/20/1989

Publication

05/01/1990

Progress at the INPI

  1. Filing09/20/89
  2. Publication05/01/90
  3. Examination05/05/92
  4. Allowance05/04/99
  5. Grant09/08/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

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Inventors

C. M. (pessoa física)

GB

G. T. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8822206.2 · 09/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/09/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

09/08/1999

RPI 1496

Deferimento

#9.1

05/04/1999

RPI 1478

Exigência - art. 36 da LPI

#6.1

11/03/1998

RPI 1452

Solicitação de exame técnico

#4.1

05/05/1992

RPI 1118

Publicação do pedido de patente

#3.1

05/01/1990

RPI 1016

Pedido de patente depositado

#2.1

03/13/1990

RPI 1009

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