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Official data from INPI

PROCESSO PARA A REMOCAO DE UM COMPONENTE DE ENXOFRE GASOSO DE UMA MISTURA DE GASES CONTENDO OXIDOS DE ENXOFRE E COMPOSICAO DE MATERIA

PublicadaInvention Patent

Application data

Number

PI8603937

Type

Invention Patent

Filing

08/18/1986

Publication

05/17/1988

Progress at the INPI

  1. Filing08/18/86
  2. Publication05/17/88
  3. Abandoned10/23/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXACO DEVELOPMENT CORP [US]

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Inventors

D. P. (pessoa física)

H. H. (pessoa física)

L. H. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

03/04/1987

RPI 854

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 17/16; B01D 53/36.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

06/30/1992

RPI 1126

Exigência - art. 36 da LPI

#6.1

10/15/1991

RPI 1089

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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