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Official data from INPI

COMPOSIÇÃO DETERGENTE ALCALINA PARA LAVAGEM DE PANO.

ConcedidaInvention Patent

Application data

Number

PI8001280

Type

Invention Patent

Filing

03/04/1980

Publication

-

Progress at the INPI

  1. Filing03/04/80
  2. Publication
  3. Examination10/26/82
  4. Allowance09/01/87
  5. Grant04/26/88
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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

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Inventors

C. J. (pessoa física)

P. P. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7907858 · 03/06/1979

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

12/29/1987

RPI 897

Deferimento

#9.1

09/01/1987

RPI 880

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

10/26/1982

RPI 627

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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