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Official data from INPI

PROCESSO PARA A OBTENÇÃO DE COMPOSTOS DE NIÓBIO E/OU TÂNTALO ISENTOS DE IMPUREZAS MINERAIS

ArquivadaInvention PatentPCT · FR1989000410

Application data

Number

PI8907079

Type

Invention Patent

Filing

08/04/1989

Publication

01/08/1991

PCT

FR1989000410

Progress at the INPI

  1. Filing08/04/89
  2. Publication01/08/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 08/04/1989 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/24/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut National de Recherche Chimique Appliquee

FR

Inventors

C. P. (pessoa física)

M. M. (pessoa física)

M. P. (pessoa física)

Technical data

Priority claims

FR

88/11643 · 09/06/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

02/24/1993

RPI 1160

Notificação de entrada na fase nacional - PCT

#1.3

01/08/1991

RPI 1049

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