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Official data from INPI

RECUPERAÇÃO DE IDA E SAL DE GLAUBER DE SOLUÇÕES DE CRISTALIZAÇÃO USADAS

ArquivadaInvention Patent

Application data

Number

PI9005068

Type

Invention Patent

Filing

10/10/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/10/90
  2. Publication09/17/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 10/10/1990 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: 06/28/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.- Conn

US

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Inventors

J. T. (pessoa física)

Technical data

IPC Classification

Priority claims

US

419.920 · 10/11/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/28/1994

RPI 1230

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/09/1991

RPI 1062

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