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Official data from INPI

COMPOSIÇÃO ALVEJANTE LÍQUIDA.

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906844

Type

Invention Patent

Filing

12/28/1989

Publication

09/25/1990

Progress at the INPI

  1. Filing12/28/89
  2. Publication09/25/90
  3. Examination08/13/91
  4. Allowance10/07/97
  5. Grant08/25/98
  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

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Inventors

A. M. (pessoa física)

GB

G. R. (pessoa física)

GB

J. W. (pessoa física)

GB

R. S. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8830296.3 · 12/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/12/2009

01/02/2013

RPI 2191

Concessão da patente

#16.1

08/25/1998

RPI 1444

Deferimento

#9.1

10/07/1997

RPI 1401

Exigência - art. 36 da LPI

#6.1

11/19/1996

RPI 1355

Solicitação de exame técnico

#4.1

08/13/1991

RPI 1080

Publicação do pedido de patente

#3.1

09/25/1990

RPI 1034

Pedido de patente depositado

#2.1

04/10/1990

RPI 1013

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