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Official data from INPI

COMPOSIÇÃO DETERGENTE ALVEJANTE EM PARTÍCULAS.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101404

Type

Invention Patent

Filing

04/08/1991

Publication

11/26/1991

Progress at the INPI

  1. Filing04/08/91
  2. Publication11/26/91
  3. Examination07/07/92
  4. Allowance03/23/99
  5. Grant07/27/99
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

I. N. (pessoa física)

GB

P. G. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

90 07999.7 · 04/09/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/04/2011

06/04/2013

RPI 2213

Republicação - classificação IPC

#15.11

Alterado da Int Cl5 C11D 3/395, 3/39; C01B 15/055.

11/21/2000

RPI 1559

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

03/23/1999

RPI 1472

Exigência - art. 36 da LPI

#6.1

09/29/1998

RPI 1449

Exigência - art. 36 da LPI

#6.1

03/10/1998

RPI 1420

Solicitação de exame técnico

#4.1

07/07/1992

RPI 1127

Publicação do pedido de patente

#3.1

11/26/1991

RPI 1095

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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