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Official data from INPI

COMPOSIÇÃO LÍQUIDA AQUOSA DE CONCENTRADO DE DETERGENTE ESTRUTURADO COM TENSO-ATIVO

PublicadaInvention Patent

Application data

Number

PI8803746

Type

Invention Patent

Filing

07/28/1988

Publication

02/14/1989

Progress at the INPI

  1. Filing07/28/88
  2. Publication02/14/89
  3. Examination05/01/90
  4. Allowance03/12/96
  5. Grant10/29/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

Unilever N.V.

NL

See this company's full portfolio

Inventors

D. M. (pessoa física)

GB

J. P. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8718217 · 07/31/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/14/1989

RPI 956

Pedido de patente depositado

#2.1

12/27/1988

RPI 949

Carta-patente expirada

#21.1

Patente extinta em 28/07/2003

09/02/2008

RPI 1965

Republicação - classificação IPC

#15.11

02/18/1997

RPI 1368

Concessão da patente

#16.1

10/29/1996

RPI 1352

Deferimento

#9.1

03/12/1996

RPI 1319

Exigência - art. 36 da LPI

#6.1

06/27/1995

RPI 1282

Exigência - art. 36 da LPI

#6.1

09/27/1994

RPI 1243

Solicitação de exame técnico

#4.1

05/01/1990

RPI 1016

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