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Official data from INPI

COMPOSIÇÃO ALVEJAMTE EM PARTICULAS.

ConcedidaInvention Patent

Application data

Number

PI8004181

Type

Invention Patent

Filing

07/04/1980

Publication

-

Progress at the INPI

  1. Filing07/04/80
  2. Publication
  3. Examination09/21/82
  4. Allowance09/08/87
  5. Grant04/26/88
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

Unilever N.V.

NL

See this company's full portfolio

Inventors

F. R. (pessoa física)

V. P. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7923765 · 07/06/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Republicação - classificação IPC

#15.11

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Conhecimento de parecer técnico

#7.1

07/05/1983

RPI 663

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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