Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE TETRAHIDROFURANO

ArquivadaInvention PatentPCT · GB1990001166

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Application data

Number

PI9007574

Type

Invention Patent

Filing

07/27/1990

Publication

06/30/1992

PCT

GB1990001166

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Progress at the INPI

Filing07/27/90
Publication06/30/92
Abandoned07/20/93
Allowance
Grant
In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/06/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Davy Mackee(London) Limited

Davy Process Technology Limited

Inventors

A. H. (pessoa física)

M. T. (pessoa física)

Technical data

IPC Classification

C07D 307/08

Priority claims

8917864.4 · 08/04/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

08/11/1998

RPI 1442

14.4

05/21/1996

RPI 1329

14.7

05/21/1996

RPI 1329

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Notificação de entrada na fase nacional - PCT

#1.3

06/30/1992

RPI 1126

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