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Official data from INPI

PROCESSO PARA PREPARAR UM SUPORTE DE CATALISADOR DE ALFA-ALUMINA RESISTENTE AO ATRITO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004437

Type

Invention Patent

Filing

09/06/1990

Publication

09/10/1991

Progress at the INPI

  1. Filing09/06/90
  2. Publication09/10/91
  3. Examination02/16/94
  4. Allowance01/26/99
  5. Grant07/27/99
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Oxy Vinyls, L.P.

US

The B.F. Goodrich Company

US

The Geon Company

US

Inventors

A. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/405,909 · 09/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/09/2010

01/29/2013

RPI 2195

Transferência deferida

#25.1

Transferido de: The Geon Company

07/17/2001

RPI 1593

Alteração de sede deferida

#25.7

Alterada a sede conforme solicitado na Pet/RJ Nº 053116 de 26/12/2000.

06/19/2001

RPI 1589

Concessão da patente

#16.1

07/27/1999

RPI 1490

Republicação - classificação IPC

#15.11

ALTERADA DE B01J 32/00, B01J 20/08

02/02/1999

RPI 1465

Deferimento

#9.1

01/26/1999

RPI 1464

Exigência - art. 36 da LPI

#6.1

08/11/1998

RPI 1442

14.1

07/12/1994

RPI 1232

Solicitação de exame técnico

#4.1

02/16/1994

RPI 1211

Publicação do pedido de patente

#3.1

09/10/1991

RPI 1084

Pedido de patente depositado

#2.1

03/12/1991

RPI 1058

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