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Official data from INPI

PROCESSO DE ALCANOLAMINA PARA REMOCAO DE DIOXIDO DE CARBONO A PARTIR DE GASES INDUSTRIAIS USANDO-SE COBRE E UM INIBIDOR ADICIONAL

Em AnáliseInvention Patent

Application data

Number

PI8401551

Type

Invention Patent

Filing

03/30/1984

Publication

11/12/1985

Progress at the INPI

  1. Filing03/30/84
  2. Publication11/12/85
  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: 12/16/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

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Inventors

P. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

12/16/1986

RPI 843

Publicação do pedido de patente

#3.1

11/12/1985

RPI 786

Pedido de patente depositado

#2.1

06/19/1984

RPI 713

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