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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE ESTABILIZADORES DE POLÍMERO POLIOL

Em AnáliseInvention Patent

Application data

Number

PI9003089

Type

Invention Patent

Filing

06/29/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing06/29/90
  2. Publication08/27/91
  3. Examination05/18/93
  4. Allowance
  5. Grant
  6. In force

Published on 08/27/1991, 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: 01/09/1996. 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

J. T. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

373.925 · 06/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

01/09/1996

RPI 1310

Solicitação de exame técnico

#4.1

05/18/1993

RPI 1172

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

11/13/1990

RPI 1041

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