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Official data from INPI

SISTEMA SIMPLIFICADO DE CATALISADOR PARA A PRODUÇÃO DE POLIETILENO

Em AnáliseInvention PatentPCT · US1991002123

Application data

Number

PI9105674

Type

Invention Patent

Filing

04/02/1991

Publication

07/21/1992

PCT

US1991002123

Progress at the INPI

  1. Filing04/02/91
  2. Publication07/21/92
  3. Examination08/10/93
  4. Allowance
  5. Grant
  6. In force

Published on 07/21/1992, 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: 12/12/1995. 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

A. M. (pessoa física)

US

F. K. (pessoa física)

US

K. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

502.678 · 04/02/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

08/10/1993

RPI 1184

Notificação de entrada na fase nacional - PCT

#1.3

07/21/1992

RPI 1129

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