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Official data from INPI

PROCESSO PARA REVESTIMENTO DE UM AGENTE DE ALVEJAMENTO BASEADO EM OXIGENIO E CLORO

ConcedidaInvention Patent

Application data

Number

PI7705612

Type

Invention Patent

Filing

08/25/1976

Publication

-

Progress at the INPI

  1. Filing08/25/76
  2. Publication
  3. Examination
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Terminated01/21/92

The patent was granted on 05/28/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNILEVER NV

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Inventors

M. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

02/16/1982

RPI 591

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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