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Official data from INPI

COMPOSIÇÃO AQUOSA LÍQUIDA PARA TRATAMENTO DE TECIDO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905986

Type

Invention Patent

Filing

11/28/1989

Publication

06/19/1990

Progress at the INPI

  1. Filing11/28/89
  2. Publication06/19/90
  3. Examination08/06/91
  4. Allowance03/08/00
  5. Grant07/11/00
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

See this company's full portfolio

Inventors

Z. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8827698.5 · 11/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/07/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

07/11/2000

RPI 1540

Deferimento

#9.1

03/08/2000

RPI 1522

Exigência - art. 36 da LPI

#6.1

05/04/1999

RPI 1478

Exigência - art. 36 da LPI

#6.1

11/08/1994

RPI 1249

Solicitação de exame técnico

#4.1

08/06/1991

RPI 1079

Publicação do pedido de patente

#3.1

06/19/1990

RPI 1023

Pedido de patente depositado

#2.1

03/27/1990

RPI 1011

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