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Official data from INPI

Película de compósito para alta barreira de oxigênio.

Em AnáliseInvention Patent

Application data

Number

PI8600973

Type

Invention Patent

Filing

03/06/1986

Publication

11/18/1986

Progress at the INPI

  1. Filing03/06/86
  2. Publication11/18/86
  3. Abandoned10/04/88
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/04/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

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Inventors

H. S. (pessoa física)

US

W. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

709.010 · 03/07/1985

US

819.445 · 01/15/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/04/1988

RPI 937

Publicação do pedido de patente

#3.1

11/18/1986

RPI 839

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Arquivamento - Art. 36 §1° da LPI

#11.2

07/31/1990

RPI 1026

6.2

01/02/1990

RPI 1000

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