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Official data from INPI

BARRA DE DETERGENTE E PROCESSO PARA A SUA FABRICAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005935

Type

Invention Patent

Filing

11/23/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing11/23/90
  2. Publication09/24/91
  3. Examination02/22/94
  4. Allowance08/31/99
  5. Grant02/22/00
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

See this company's full portfolio

Inventors

D. S. (pessoa física)

GB

M. C. (pessoa física)

GB

Z. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8926642.3 · 11/24/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/11/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

08/31/1999

RPI 1495

Exigência - art. 36 da LPI

#6.1

09/22/1998

RPI 1448

Solicitação de exame técnico

#4.1

02/22/1994

RPI 1212

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

05/07/1991

RPI 1066

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