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Official data from INPI

COMPOSIÇÃO DETERGENTE LIQUIDA COADJUVADA, NÃO AQUOSA, E PROCESSO PARA PREPARAR A MESMA.

ConcedidaInvention Patent

Application data

Number

PI8007130

Type

Invention Patent

Filing

11/04/1980

Publication

-

Progress at the INPI

  1. Filing11/04/80
  2. Publication
  3. Examination08/09/83
  4. Allowance11/10/87
  5. Grant05/31/88
  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: 05/31/1988. 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

B. C. (pessoa física)

D. T. (pessoa física)

P. N. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7938986 · 11/06/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/10/1987

RPI 890

Exigência - art. 36 da LPI

#6.1

05/05/1987

RPI 863

Solicitação de exame técnico

#4.1

08/09/1983

RPI 668

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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