Official data from INPI

PROCESSO APERFEIÇOADO PARA PRODUZIR UM COQUE

Prazo de SigiloInvention Patent

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Application data

Number

PI8902922

Type

Invention Patent

Filing

06/16/1989

Publication

09/18/1990

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Progress at the INPI

Filing06/16/89
Publication09/18/90
Abandoned09/08/92
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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nippon Zeon Co ,Ltd

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Inventors

K. U. (pessoa física)

M. I. (pessoa física)

T. H. (pessoa física)

Technical data

IPC Classification

C10B 57/08 C10B 57/12

Priority claims

149,471/88 · 06/17/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/01/1989

RPI 980

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

09/08/1992

RPI 1136

Publicação do pedido de patente

#3.1

09/18/1990

RPI 1033

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