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Official data from INPI

PROCESSO E SISTEMA PARA RECUPERAR ENXOFRE CONTENDO GÁS DE UM GÁS CONTENDO SULFETO DE HIDROGÊNIO.

Em AnáliseInvention Patent

Application data

Number

PI8603710

Type

Invention Patent

Filing

07/22/1986

Publication

03/10/1987

Progress at the INPI

  1. Filing07/22/86
  2. Publication03/10/87
  3. Abandoned07/21/87
  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: 07/21/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Products And Chemicals, Inc

US

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Inventors

M. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

757.571 · 07/22/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/21/1987

RPI 874

Publicação do pedido de patente

#3.1

03/10/1987

RPI 855

Pedido de patente depositado

#2.1

01/06/1987

RPI 846

Arquivamento - Art. 36 §1° da LPI

#11.2

12/17/1991

RPI 1098

Exigência - art. 36 da LPI

#6.1

05/14/1991

RPI 1067

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