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Official data from INPI

COMPOSIÇÃO DETERGENTE LÍQUIDA AQUOSA

Prazo de SigiloInvention Patent

Application data

Number

PI8902771

Type

Invention Patent

Filing

06/12/1989

Publication

02/01/1990

Progress at the INPI

  1. Filing06/12/89
  2. Publication02/01/90
  3. Examination12/17/91
  4. Allowance08/26/97
  5. Grant08/25/98
  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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

See this company's full portfolio

Inventors

G. B. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8813978.7 · 06/13/1988

GB

8826234.0 · 11/09/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Carta-patente expirada

#21.1

Patente extinta em 12/06/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

08/25/1998

RPI 1444

Deferimento

#9.1

08/26/1997

RPI 1395

Exigência - art. 36 da LPI

#6.1

11/26/1996

RPI 1356

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Exigência - art. 36 da LPI

#6.1

06/27/1995

RPI 1282

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

Publicação do pedido de patente

#3.1

02/01/1990

RPI 1004

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