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Official data from INPI

COMPOSIÇÃO DE CARGA BASE CONTENDO PERÓXIDO E PROCESSO PARA MODIFICAR UM POLÍMERO DE PROPILENO.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005103

Type

Invention Patent

Filing

10/11/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/11/90
  2. Publication09/17/91
  3. Examination12/21/93
  4. Allowance08/26/97
  5. Grant09/29/98
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem North America, Inc.

US

Atofina Chemicals, Inc

US

Elf Atochem North America Inc.

US

See this company's full portfolio

Inventors

D. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

420,843 · 10/13/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/10/2010

05/21/2013

RPI 2211

Alteração de nome deferida

#25.4

Alterado de: Elf Atochem North America, Inc.

08/28/2001

RPI 1599

Alteração de nome deferida

#25.4

Alterado de: Atochem North America, Inc

07/31/2001

RPI 1595

Alteração de sede deferida

#25.7

Alterada sede conforme o solicitado na Pet/RJ no. 006608 de 08/02/2001

07/31/2001

RPI 1595

Concessão da patente

#16.1

09/29/1998

RPI 1449

Deferimento

#9.1

08/26/1997

RPI 1395

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

12/21/1993

RPI 1203

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/09/1991

RPI 1062

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