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Official data from INPI

COMPOSICOES DE CONCRETO POLIMERICO CONTENDO POLIMEROS ABSORVENTES DE AGUA

Em AnáliseInvention Patent

Application data

Number

PI8603327

Type

Invention Patent

Filing

07/08/1986

Publication

03/15/1988

Progress at the INPI

  1. Filing07/08/86
  2. Publication03/15/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

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

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

DOW CHEMICAL CO [US]

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Inventors

H. I. (pessoa física)

H. E. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

11/07/1989

RPI 994

Publicação do pedido de patente

#3.1

03/15/1988

RPI 908

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

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