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Official data from INPI

ARTIGOS DE ENCANAMENTO DE POLI (ARIL ÉTER SULFONAS).

Arquivada/ExtintaInvention PatentPCT · US1999023088

Application data

Number

PI9906852

Type

Invention Patent

Filing

10/05/1999

Publication

10/30/2001

PCT

US1999023088

Progress at the INPI

  1. Filing10/05/99
  2. Publication10/30/01
  3. Examination
  4. Allowance06/16/09
  5. Grant12/15/09
  6. Expired02/27/20

The letters patent expired on 02/27/2020: 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: 02/27/2020. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

BP Corporation North America Inc.

US

Solvay Advanced Polymers, L.L.C.

US

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Inventors

B. D. (pessoa física)

US

M. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

09/411.921 · 10/04/1999

US

60/103.198 · 10/06/1998

Abstract

"ARTIGOS DE ENCANAMENTO DE POLI (ARIL ÉTER SULFONAS)". Artigos de encanamento feitos de uma resina termoplástica compreendendo um poli (bifenil éter sulfona) e um poli (aril éter sulfona) compreendendo resíduos bisfenol A.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

PATENTE EXTINTA EM 15.12.2019

02/27/2020

RPI 2564

Concessão da patente

#16.1

12/15/2009

RPI 2032

Deferimento

#9.1

06/16/2009

RPI 2006

Exigência - art. 36 da LPI

#6.1

10/14/2008

RPI 1971

Transferência deferida

#25.1

Transferido de: BP Corporation North America, Inc.

02/01/2005

RPI 1778

Alteração de nome deferida

#25.4

Alterado de: BP Amaco Corporation

03/26/2002

RPI 1629

Notificação de entrada na fase nacional - PCT

#1.3

10/30/2001

RPI 1608

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