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Official data from INPI

PROCESSO PARA PRODUÇÃO DE PELÍCULA POLIMÉRICA

ArquivadaInvention Patent

Application data

Number

PI0000470

Type

Invention Patent

Filing

02/15/2000

Publication

08/29/2000

Progress at the INPI

  1. Filing02/15/00
  2. Publication08/29/00
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/15/2000 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/10/2004. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Praxair Technology Inc.

US

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Inventors

P. D. (pessoa física)

FR

R. W. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

US

09/250266 · 02/16/1999

Abstract

"PROCESSO PARA PRODUÇÃO DE PELÍCULA POLIMÉRICA". Esta invenção refere-se a um processo e sistema para uso de técnicas de inerciação de barreira laminar para proteger uma área selecionada em um espaço aberto cobrindo a saída de película polimérica e/ou a entrada de matéria-prima com gás inerte.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

08/10/2004

RPI 1753

Arquivamento - Art. 33 da LPI

#11.1

12/16/2003

RPI 1719

Publicação do pedido de patente

#3.1

08/29/2000

RPI 1547

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