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Official data from INPI

PARTICULAS TERMOPLASTICAS RESINOSAS SINTETICAS EXPANSIVEIS,UM PROCESSO PARA SUA PREPARACAO E SUA APLICACAO

Em ExigênciaInvention Patent

Application data

Number

PI8403760

Type

Invention Patent

Filing

04/16/1984

Publication

03/04/1986

Progress at the INPI

  1. Filing04/16/84
  2. Publication03/04/86
  3. Abandoned01/26/88
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

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Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

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Inventors

A. E. (pessoa física)

R. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/15/1989

RPI 982

Solicitação de exame técnico

#4.1

01/26/1988

RPI 901

Publicação do pedido de patente

#3.1

03/04/1986

RPI 802

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

10.1

05/01/1990

RPI 1016

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