Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8007889

Type

Invention Patent

Filing

12/02/1980

Publication

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Progress at the INPI

Filing12/02/80
Publication
Examination07/26/83
Allowance01/02/85
Grant11/25/86
Terminated03/12/96

The patent was granted on 11/25/1986 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nippon Zeon Co., LTD.

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Inventors

H. H. (pessoa física)

I. N. (pessoa física)

Technical data

IPC Classification

C07C 11/167 C07C 11/18 C07C 11/20 C07C 7/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

110

06/17/1986

RPI 817

Recurso

#12.1

04/30/1985

RPI 758

Deferimento

#9.1

01/02/1985

RPI 741

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

07/26/1983

RPI 666

21.5

04/09/1996

RPI 1323

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

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