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Official data from INPI

PROCESSO PARA PREPARAR UM PO DETERGENTE DE LIVRE ESCOAMENTO, E PRODUTO OBTIDO.

ConcedidaInvention Patent

Application data

Number

PI8007314

Type

Invention Patent

Filing

11/10/1980

Publication

-

Progress at the INPI

  1. Filing11/10/80
  2. Publication
  3. Examination08/23/83
  4. Allowance07/19/88
  5. Grant08/29/89
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

Unilever N.V.

NL

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Inventors

P. K. (pessoa física)

GB

R. W. (pessoa física)

NL

R. M. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

7939325 · 11/13/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/19/1988

RPI 926

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Conhecimento de parecer técnico

#7.1

07/17/1984

RPI 717

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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