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Official data from INPI

Processo para produção de compostos de carbonila ativa

Arquivada/ExtintaInvention PatentPCT · GB1990000252

Application data

Number

PI9005487

Type

Invention Patent

Filing

02/15/1990

Publication

08/06/1991

PCT

GB1990000252

Progress at the INPI

  1. Filing02/15/90
  2. Publication08/06/91
  3. Examination05/05/92
  4. Allowance08/26/97
  5. Grant07/28/98
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BP Chemicals Limited

GB

See this company's full portfolio

Inventors

J. B. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89400612.1 · 03/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/02/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

08/26/1997

RPI 1395

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

05/05/1992

RPI 1118

Notificação de entrada na fase nacional - PCT

#1.3

08/06/1991

RPI 1079

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