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Official data from INPI

PROCESSO APERFEICOADO PARA A REMOCAO SELETIVA DE HIDROGENIO SULFURADO DE MISTURAS GASOSAS CONTENDO ANIDRIDO CARBONICO

Em AnáliseInvention Patent

Application data

Number

PI8506058

Type

Invention Patent

Filing

11/26/1984

Publication

08/19/1986

Progress at the INPI

  1. Filing11/26/84
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 11/26/1984. It awaits formal examination and publication in the RPI gazette.

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Latest action published by the INPI: 03/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SNAM PROGETTI [IT]

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Inventors

G. L. (pessoa física)

R. C. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

03/10/1987

RPI 855

Solicitação de exame técnico

#4.1

12/09/1986

RPI 842

Publicação do pedido de patente

#3.1

08/19/1986

RPI 826

Pedido de patente depositado

#2.1

02/18/1986

RPI 800

Retificação

#15.3

03/01/1990

RPI 1007

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