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Official data from INPI

COMPOSIÇÃO DETERGENTE INCLUINDO UM SISTEMA TENSO-ATIVO

PublicadaInvention Patent

Application data

Number

PI8901573

Type

Invention Patent

Filing

04/04/1989

Publication

11/21/1989

Progress at the INPI

  1. Filing04/04/89
  2. Publication11/21/89
  3. Examination10/23/90
  4. Allowance09/26/95
  5. Grant04/30/96
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

D. G. (pessoa física)

GB

M. H. (pessoa física)

GB

R. S. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8808041.1 · 04/06/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/21/1989

RPI 996

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Carta-patente expirada

#21.1

Patente extinta em 04/04/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/26/1995

RPI 1295

Exigência - art. 36 da LPI

#6.1

09/13/1994

RPI 1241

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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