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Official data from INPI

COMPOSICAO ELASTOMERICA FORMADA POR UMA MISTURA NA FUSAO DE ELASTOMEROS DE POLIESTERESTER ESPECIFICOS,PROCESSO PARA PREPARAR UMA PELICULA ELASTICA,E TIRA DE PELICULA

Em AnáliseInvention Patent

Application data

Number

PI8605229

Type

Invention Patent

Filing

10/28/1985

Publication

07/28/1987

Progress at the INPI

  1. Filing10/28/85
  2. Publication07/28/87
  3. Abandoned07/11/89
  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: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

A. [. (pessoa física)

B. [. (pessoa física)

H. M. (pessoa física)

I. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/11/1989

RPI 977

Publicação do pedido de patente

#3.1

07/28/1987

RPI 875

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Arquivamento - Art. 36 §1° da LPI

#11.2

04/16/1991

RPI 1063

6.2

08/07/1990

RPI 1027

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