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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE UM ESTABILIZADOR PRÉ-FORMADO, DE ELEVADA POTÊNCIA E PROCESSO PARA A FABRICAÇÃO DE UMA COMPOSIÇÃO DE POLÍMERO/POLIOL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102435

Type

Invention Patent

Filing

06/12/1991

Publication

01/14/1992

Progress at the INPI

  1. Filing06/12/91
  2. Publication01/14/92
  3. Examination11/23/93
  4. Allowance01/04/00
  5. Grant07/11/00
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arco Chemical Technology, Inc.

US

Inventors

D. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

537-187 · 06/12/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 12/06/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

07/11/2000

RPI 1540

Deferimento

#9.1

01/04/2000

RPI 1513

Exigência - art. 36 da LPI

#6.1

11/03/1998

RPI 1452

Solicitação de exame técnico

#4.1

11/23/1993

RPI 1199

Publicação do pedido de patente

#3.1

01/14/1992

RPI 1102

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