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Official data from INPI

PROCESSO PARA A PRODUÇÀO DE UMA LIXÍVIA DE HIDRÓXIDO DE SÓDIO

ArquivadaInvention Patent

Application data

Number

PI9004064

Type

Invention Patent

Filing

08/16/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/16/90
  2. Publication09/03/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 08/16/1990 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/21/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay & Cie

BE

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Inventors

J. V. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

BE

08900880 · 08/17/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/21/1994

RPI 1229

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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