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Official data from INPI

MÉTODO PARA MELHORAR A BARREIRA DE UM SUBSTRATO TENDO UM REVESTIMENTO DE BARREIRA, E SUBSTRATO TRATADO

ArquivadaInvention PatentPCT · US2005035819

Application data

Number

PI0516281

Type

Invention Patent

Filing

10/04/2005

Publication

09/02/2008

PCT

US2005035819

Progress at the INPI

  1. Filing10/04/05
  2. Publication09/02/08
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 10/04/2005 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/21/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ppg Industries Ohio, Inc.

US

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Inventors

W. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

10/960,321 · 10/07/2004

Abstract

MÉTODO PAPA MELHORAR A BARREIRA DE UM SUBSTRATO TENDO UM REVESTIMENTO DE BARREIRA, E SUBSTRATO TRATADO. Métodos para melhorar a barreira de um substrato tendo revestimento de barreira são descritos. Os métodos geralmente compreendem contatar o substrato revestido de barreira com um ácido. Substratos tratados de acordo com a invenção também são descritos.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

09/21/2010

RPI 2072

Arquivamento - Art. 33 da LPI

#11.1

05/11/2010

RPI 2053

Notificação de entrada na fase nacional - PCT

#1.3

09/02/2008

RPI 1965

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