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Official data from INPI

SAIS ALVEJANTES DE MAGNESIO, PROCESSO PARA SUA PRODUCAO, COMPOSICAO DE ALVEJAMENTO DESSENSIBILIZADA, COMPOSICAO DE LAVAGEM CONTENDO UM AGENTE TENSO-ATIVO, E PROCESSO PARA LAVAR OU ALVEJAR USANDO A DITA COMPOSICAO

ConcedidaInvention Patent

Application data

Number

PI8006717

Type

Invention Patent

Filing

10/18/1979

Publication

-

Progress at the INPI

  1. Filing10/18/79
  2. Publication
  3. Examination06/28/83
  4. Allowance05/17/88
  5. Grant10/25/88
  6. Terminated09/25/90

The patent was granted on 10/25/1988 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTEROX CHEMICALS LTD

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Inventors

H. G. (pessoa física)

Technical data

IPC Classification

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

Exigência - art. 36 da LPI

#6.1

09/22/1987

RPI 883

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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