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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM SÓLIDO CATALÍTICO Á BASE DE TRICLORETO DE TITÂNIO COPLEXADO, E, PROCESSO PARA A POLIMERIZAÇÃO DE ALFA-OLEFINAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104859

Type

Invention Patent

Filing

11/07/1991

Publication

06/23/1992

Progress at the INPI

  1. Filing11/07/91
  2. Publication06/23/92
  3. Examination07/19/94
  4. Allowance05/25/99
  5. Grant11/16/99
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay Polyolefins Europe - Belgium

BE

Solvay (Société Anonyme)

BE

See this company's full portfolio

Inventors

J. C. (pessoa física)

BE

S. P. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

BE

09001054 · 11/08/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/11/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

11/16/1999

RPI 1506

Deferimento

#9.1

05/25/1999

RPI 1481

Transferência deferida

#25.1

Transferido de: Solvay

04/13/1999

RPI 1475

Exigência - art. 36 da LPI

#6.1

11/24/1998

RPI 1455

Solicitação de exame técnico

#4.1

07/19/1994

RPI 1233

Publicação do pedido de patente

#3.1

06/23/1992

RPI 1125

Pedido de patente depositado

#2.1

12/10/1991

RPI 1097

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