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Official data from INPI

PROCESSO PARA A PREPARACAO DE POLIALQUILENOPOLIAMINAS

Em AnáliseInvention Patent

Application data

Number

PI8505191

Type

Invention Patent

Filing

10/08/1985

Publication

05/12/1987

Progress at the INPI

  1. Filing10/08/85
  2. Publication05/12/87
  3. Abandoned
  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: 08/18/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

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Inventors

R. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

08/18/1987

RPI 878

Publicação do pedido de patente

#3.1

05/12/1987

RPI 864

Pedido de patente depositado

#2.1

12/24/1985

RPI 792

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