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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE POLÍMERO TERMOPLÁSTICO DE OLEFINA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004156

Type

Invention Patent

Filing

08/22/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/22/90
  2. Publication09/03/91
  3. Examination07/20/93
  4. Allowance05/25/99
  5. Grant02/22/00
  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

H. I. (pessoa física)

US

Montell North America Inc.

US

See this company's full portfolio

Inventors

A. P. (pessoa física)

IT

G. P. (pessoa física)

IT

G. C. (pessoa física)

IT

L. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

397.616 · 08/23/1989

US

542.468 · 06/22/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/08/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

05/25/1999

RPI 1481

Exigência - art. 36 da LPI

#6.1

08/18/1998

RPI 1443

Alteração de nome deferida

#25.4

09/30/1997

RPI 1400

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/26/1991

RPI 1056

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