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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UMA COMPOSIÇÃO DE POLÍMEROS DE PROPILENO CRISTALINO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104160

Type

Invention Patent

Filing

09/27/1991

Publication

06/02/1992

Progress at the INPI

  1. Filing09/27/91
  2. Publication06/02/92
  3. Examination05/31/94
  4. Allowance06/22/99
  5. Grant12/28/99
  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

H. I. (pessoa física)

US

Montell North América Inc.

US

See this company's full portfolio

Inventors

A. C. (pessoa física)

IT

M. C. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

21601 A/90 · 09/28/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/09/2011

06/11/2013

RPI 2214

16.3

Ref. RPI 1512 de 28/12/1999 itens (54) (72) e (73)

11/04/2003

RPI 1713

Concessão da patente

#16.1

12/28/1999

RPI 1512

Deferimento

#9.1

06/22/1999

RPI 1485

Exigência - art. 36 da LPI

#6.1

12/22/1998

RPI 1459

Alteração de nome deferida

#25.4

09/16/1997

RPI 1398

Solicitação de exame técnico

#4.1

05/31/1994

RPI 1226

Publicação do pedido de patente

#3.1

06/02/1992

RPI 1122

Pedido de patente depositado

#2.1

11/05/1991

RPI 1092

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