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Official data from INPI

PROCESSO PARA POLIMERIZAR PELO MENOS UM MONÔMERO DE ÉTER CÍCLICO.

Arquivada/ExtintaInvention PatentPCT · GB1990000837

Application data

Number

PI9007410

Type

Invention Patent

Filing

05/30/1990

Publication

07/21/1992

PCT

GB1990000837

Progress at the INPI

  1. Filing05/30/90
  2. Publication07/21/92
  3. Examination04/27/93
  4. Allowance05/04/99
  5. Grant09/08/99
  6. 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.

Talk to a specialist

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

Applicants and inventors

Applicants

Qinetiq Limited

GB

The Secretary of State for Defence In Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland

GB

See this company's full portfolio

Inventors

M. S. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8912456.4 · 05/31/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/05/2010

01/15/2013

RPI 2193

Transferência deferida

#25.1

Transferido de: The Secretary of State for Defence in Her Britannic Majesty's Government of The United Kingdom of Great Britain and Northern Ireland

05/07/2002

RPI 1635

Concessão da patente

#16.1

09/08/1999

RPI 1496

Deferimento

#9.1

05/04/1999

RPI 1478

Exigência - art. 36 da LPI

#6.1

09/01/1998

RPI 1445

Solicitação de exame técnico

#4.1

04/27/1993

RPI 1169

Notificação de entrada na fase nacional - PCT

#1.3

07/21/1992

RPI 1129

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