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Official data from INPI

COMPOSIÇÃO ENZIMÁTICA PARA LAVAGEM OU ENXAGUE DE LOUÇA

PublicadaInvention Patent

Application data

Number

PI8706685

Type

Invention Patent

Filing

12/09/1987

Publication

07/19/1988

Progress at the INPI

  1. Filing12/09/87
  2. Publication07/19/88
  3. Examination09/25/90
  4. Allowance06/27/95
  5. Grant01/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

W. D. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8629538 · 12/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

04/05/1988

RPI 911

Carta-patente expirada

#21.1

Patente extinta em 09/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

11/07/1995

RPI 1301

Deferimento

#9.1

06/27/1995

RPI 1282

Exigência - art. 36 da LPI

#6.1

01/25/1994

RPI 1208

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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