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Official data from INPI

PROCESSO DE ELETROLISE DE UMA SOLUCAO AQUOSA DE HALOGENETO DE METAL ALCALINO EM UMA CELULA DE ELETROLISE

ConcedidaInvention Patent

Application data

Number

PI8100834

Type

Invention Patent

Filing

02/20/1980

Publication

-

Progress at the INPI

  1. Filing02/20/80
  2. Publication
  3. Examination09/20/83
  4. Allowance07/14/87
  5. Grant12/29/87
  6. Terminated02/04/92

The patent was granted on 12/29/1987 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SOLVAY

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Inventors

L. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

06/10/1986

RPI 816

Conhecimento de parecer técnico

#7.1

04/09/1985

RPI 755

6.2

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

09/20/1983

RPI 674

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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