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Official data from INPI

UM PROCESSO PARA OBTENÇÃO DE UMA COMPOSIÇÃO POLIMÉRICA TERMOPLÁSTICA BIODEGRADÁVEL

ArquivadaInvention Patent
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Application data

Number

PI8904673

Type

Invention Patent

Filing

09/13/1989

Publication

03/19/1991
View on INPI

Progress at the INPI

  1. Filing09/13/89
  2. Publication03/19/91
  3. Abandoned06/08/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/24/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ITAP S/A - Divisão Cromex Resinas

SP, BR

Inventors

A. B. (pessoa física)

BR

J. C. (pessoa física)

Technical data

IPC Classification

C08L 1/08C08L 3/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.3

12/24/1996

RPI 1360

Exigência - art. 36 da LPI

#6.1

01/16/1996

RPI 1311

Exigência - art. 36 da LPI

#6.1

08/01/1995

RPI 1287

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Publicação do pedido de patente

#3.1

03/19/1991

RPI 1059

Pedido de patente depositado

#2.1

01/09/1990

RPI 1001

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