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Official data from INPI

COMPOSIÇÃO DETERGENTE ALCALINA EM PARTICULAS E PROCESSO PARA SUA PREPARAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI7906347

Type

Invention Patent

Filing

10/02/1979

Publication

-

Progress at the INPI

  1. Filing10/02/79
  2. Publication
  3. Examination07/13/82
  4. Allowance08/04/87
  5. Grant02/23/88
  6. Terminated01/28/92

The patent was granted on 02/23/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

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Inventors

R. H. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

39073/78 · 10/03/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

08/04/1987

RPI 876

Exigência - art. 36 da LPI

#6.1

04/03/1984

RPI 702

Conhecimento de parecer técnico

#7.1

09/27/1983

RPI 675

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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