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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE 1-[2-(4-HIDROXI-BENZOIL) ETANOIL]-2-PIPERIDONA .

Arquivada/ExtintaInvention PatentPCT · JP1988000392

Application data

Number

PI8806892

Type

Invention Patent

Filing

04/22/1988

Publication

10/17/1989

PCT

JP1988000392

Progress at the INPI

  1. Filing04/22/88
  2. Publication10/17/89
  3. Examination03/20/90
  4. Allowance03/31/98
  5. Grant11/24/98
  6. Expired12/11/12

The letters patent expired on 12/11/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Taki Chemical Co., Ltd.

JP

Inventors

H. M. (pessoa física)

JP

M. O. (pessoa física)

JP

O. Y. (pessoa física)

JP

Y. M. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

106.038 · 04/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/17/1989

RPI 991

Carta-patente expirada

#21.1

Patente extinta em 24/11/2008

12/11/2012

RPI 2188

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

Deferido de acordo com o artigo 229 da lei 9279 de 14/05/1996.

03/31/1998

RPI 1423

Exigência - art. 36 da LPI

#6.1

08/01/1995

RPI 1287

Exigência - art. 36 da LPI

#6.1

01/31/1995

RPI 1261

Solicitação de exame técnico

#4.1

03/20/1990

RPI 1010

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