Official data from INPI

PROCESSO PARA A PRODUÇÃO DE ÁLCOOL ABSOLUTO

Arquivada/ExtintaInvention PatentPCT · JP1990000793

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Application data

Number

PI9007028

Type

Invention Patent

Filing

06/18/1990

Publication

12/10/1991

PCT

JP1990000793

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Progress at the INPI

Filing06/18/90
Publication12/10/91
Examination05/18/93
Allowance11/03/98
Grant04/27/99
Expired01/15/13

The letters patent expired on 01/15/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Japan As Rep. By Minist. Of Intern. Trade And Indust, Direct. Gen. Of Basic Ind. Bureau

Inventors

H. H. (pessoa física)

I. Y. (pessoa física)

T. T. (pessoa física)

Y. K. (pessoa física)

Technical data

IPC Classification

C07C 29/84 C07C 31/08

Priority claims

1/294032 · 11/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/06/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

04/27/1999

RPI 1477

Deferimento

#9.1

11/03/1998

RPI 1452

Exigência - art. 36 da LPI

#6.1

09/23/1997

RPI 1399

Solicitação de exame técnico

#4.1

05/18/1993

RPI 1172

Notificação de entrada na fase nacional - PCT

#1.3

12/10/1991

RPI 1097

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