Official data from INPI

HALETOS DE PUREZA ULTRA ALTA E SUA PREPARAÇÃO

ArquivadaInvention PatentPCT · US1989001859

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Application data

Number

PI8906952

Type

Invention Patent

Filing

05/05/1989

Publication

11/20/1990

PCT

US1989001859

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Progress at the INPI

Filing05/05/89
Publication11/20/90
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 05/05/1989 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: 02/24/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. S. (pessoa física)

Inventors

J. S. (pessoa física)

Technical data

IPC Classification

C01F 7/50 C01G 25/04 C01G 27/04

Priority claims

190.992 · 05/06/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

02/24/1993

RPI 1160

14.1

05/14/1991

RPI 1067

Notificação de entrada na fase nacional - PCT

#1.3

11/20/1990

RPI 1042

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