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Official data from INPI

SISTEMA DE CATALISADOR E PROCESSO DE POLIMERIZAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI9000637

Type

Invention Patent

Filing

02/13/1990

Publication

01/15/1991

Progress at the INPI

  1. Filing02/13/90
  2. Publication01/15/91
  3. Examination06/16/92
  4. Allowance
  5. Grant
  6. In force

Published on 01/15/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 08/20/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Carbide Chemicals and Plastics Company Inc.

US

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Inventors

F. K. (pessoa física)

US

S. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

310.282 · 02/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

08/20/1996

RPI 1342

Solicitação de exame técnico

#4.1

06/16/1992

RPI 1124

Publicação do pedido de patente

#3.1

01/15/1991

RPI 1050

Pedido de patente depositado

#2.1

06/05/1990

RPI 1021

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