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Official data from INPI

PROCESSO PARA A HOMOPOLIMERIZAÇÃO DE ETILENO OU COPOLIMERIZAÇÃO DE ETILENO COM UMA OU MAIS ALFA-OLEFINAS

Arquivada/ExtintaInvention PatentPCT · NL1995000225

Application data

Number

PI9508199

Type

Invention Patent

Filing

06/26/1995

Publication

11/25/1997

PCT

NL1995000225

Progress at the INPI

  1. Filing06/26/95
  2. Publication11/25/97
  3. Examination
  4. Allowance05/14/02
  5. Grant10/15/02
  6. Expired11/17/15

The letters patent expired on 11/17/2015: 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: 11/17/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DSM N.V.

NL

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Inventors

J. B. (pessoa física)

NL

J. H. (pessoa física)

NL

N. F. (pessoa física)

NL

R. P. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

BE

9400620 · 07/01/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/06/2015

11/17/2015

RPI 2341

Concessão da patente

#16.1

10/15/2002

RPI 1658

Deferimento

#9.1

05/14/2002

RPI 1636

Exigência - art. 36 da LPI

#6.1

01/09/2001

RPI 1566

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1997

RPI 1408

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