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Official data from INPI

CONDENSADO, POLIOL, COMPOSTO TERMINADO EM HIDROXILA, POLÍMERO A BASE DE POLIISOCIANATO, PROCESSO PARA PREPARAR UM POLIOL E PROCESSO PARA PREPARAR UMA ESPUMA DE POLIURETANA

Prazo de SigiloInvention Patent

Application data

Number

PI8903798

Type

Invention Patent

Filing

07/25/1989

Publication

03/20/1990

Progress at the INPI

  1. Filing07/25/89
  2. Publication03/20/90
  3. Abandoned04/07/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

J. T. (pessoa física)

J. M. (pessoa física)

M. G. (pessoa física)

Technical data

Priority claims

US

225.311 · 07/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/07/1989

RPI 994

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 14/10; C08G 18/14.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

02/13/1996

RPI 1315

Exigência - art. 36 da LPI

#6.1

05/23/1995

RPI 1277

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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