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Official data from INPI

MÉTODO PARA PREPARAR ESPUMA DE POLIURETANO DE ALTA RESILENCIA E COMPOSIÇÃO A BASE DE POLIOL E CONTENDO POLIUREIS.

Em AnáliseInvention Patent

Application data

Number

PI8800604

Type

Invention Patent

Filing

02/10/1988

Publication

09/27/1988

Progress at the INPI

  1. Filing02/10/88
  2. Publication09/27/88
  3. Examination02/14/89
  4. Allowance
  5. Grant
  6. In force

Published on 09/27/1988, 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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Products And Chemicals, Inc

US

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Inventors

M. S. (pessoa física)

R. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

14, 504 · 02/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/14/1989

RPI 956

Publicação do pedido de patente

#3.1

09/27/1988

RPI 936

Pedido de patente depositado

#2.1

05/17/1988

RPI 917

Retificação

#15.3

10/01/1991

RPI 1087

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