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Official data from INPI

PROCESSO PARA A POLIMERIZAÇÃO DE MONÔMEROS EM LEITOS FLUIDIZADOS

Arquivada/ExtintaInvention PatentPCT · US1995012242

Application data

Number

PI9509227

Type

Invention Patent

Filing

09/26/1995

Publication

01/27/1998

PCT

US1995012242

Progress at the INPI

  1. Filing09/26/95
  2. Publication01/27/98
  3. Examination
  4. Allowance02/11/03
  5. Grant07/08/03
  6. Expired12/01/15

The letters patent expired on 12/01/2015: 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: 12/01/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents Inc.

US

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Inventors

J. G. (pessoa física)

US

M. D. (pessoa física)

US

M. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

316769 · 10/03/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/09/2015

12/01/2015

RPI 2343

Concessão da patente

#16.1

07/08/2003

RPI 1696

Deferimento

#9.1

02/11/2003

RPI 1675

Exigência - art. 36 da LPI

#6.1

10/15/2002

RPI 1658

Exigência - art. 36 da LPI

#6.1

06/18/2002

RPI 1641

Notificação de entrada na fase nacional - PCT

#1.3

01/27/1998

RPI 1414

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