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Official data from INPI

COMPOSIÇÃO EM PARTÍCULAS UTILIZÁVEL NO AMACIAMENTO DE TECIDOS E PROCESSO PARA SUA PREPARAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904964

Type

Invention Patent

Filing

09/29/1989

Publication

05/08/1990

Progress at the INPI

  1. Filing09/29/89
  2. Publication05/08/90
  3. Examination08/20/91
  4. Allowance09/29/98
  5. Grant02/23/99
  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

D. E. (pessoa física)

GB

F. B. (pessoa física)

IT

I. K. (pessoa física)

GB

Technical data

Priority claims

GB

8823008.1 · 09/30/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/09/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

02/23/1999

RPI 1468

Deferimento

#9.1

09/29/1998

RPI 1449

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

Publicação do pedido de patente

#3.1

05/08/1990

RPI 1017

Pedido de patente depositado

#2.1

02/13/1990

RPI 1006

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