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Official data from INPI

PROCESSO PARA A IMOBILIZAÇÃO E REDUÇÃO DE VOLUME DE RESÍDUOS DE BAIXO NÍVEL DE RADIOATIVIDADE CONTENDO TÓRIO E URÂNIO, COMPOSIÇÃO DE RESÍDUO RADIOATIVO VITRIFICADO E DE VOLUME REDUZIDO

ArquivadaInvention Patent

Application data

Number

PI9003923

Type

Invention Patent

Filing

08/09/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/09/90
  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 08/09/1990 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

W.R. Grace & Co.- Conn

US

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Inventors

A. J. (pessoa física)

D. H. (pessoa física)

R. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

392.327 · 08/11/1989

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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