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Official data from INPI

EMULSÃO DE AGUA EM OLEO DE ALTA FASE INTERNA E PROCESSO PARA PREPARAR UM EMULSÃO DE AGUA EM OLEO.

ConcedidaInvention Patent

Application data

Number

PI7906062

Type

Invention Patent

Filing

09/21/1979

Publication

-

Progress at the INPI

  1. Filing09/21/79
  2. Publication
  3. Examination06/29/82
  4. Allowance05/17/88
  5. Grant10/25/88
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

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Inventors

B. A. (pessoa física)

B. D. (pessoa física)

G. J. (pessoa física)

Technical data

Priority claims

GB

37830/78 · 09/22/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Conhecimento de parecer técnico

#7.1

03/13/1984

RPI 699

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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