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Official data from INPI

Composição polimérica extrudável de cloreto de vinilideno, película polimérica de camadas múltiplas, e processo para a redução de permeabilidade ao oxigênio e o aumento de estabilidade térmica de uma película polimérica de cloreto de vinilideno plastificada.

Em AnáliseInvention Patent

Application data

Number

PI8602389

Type

Invention Patent

Filing

05/23/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing05/23/86
  2. Publication03/17/87
  3. Abandoned07/14/87
  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.

Talk to a specialist

Latest action published by the INPI: 07/14/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

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Inventors

M. H. (pessoa física)

Technical data

Priority claims

US

755.033 · 07/15/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/14/1987

RPI 873

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

11/25/1986

RPI 840

Arquivamento - Art. 36 §1° da LPI

#11.2

07/31/1990

RPI 1026

6.2

01/02/1990

RPI 1000

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