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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE COMPOSTOS DE ENXOFRE E DE SÓDIO DE UM GÁS DE PROCESSO QUENTE GERADO DURANTE A GASEIFICAÇÃO DE SOLUÇÃO ESGOTADA PROVENIENTE DA INDÚSTRIA DE POLPAÇÃO KRAFT

ArquivadaInvention Patent

Application data

Number

PI9102204

Type

Invention Patent

Filing

05/29/1991

Publication

01/07/1992

Progress at the INPI

  1. Filing05/29/91
  2. Publication01/07/92
  3. Abandoned03/29/94
  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.

Talk to a specialist

Latest action published by the INPI: 08/10/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

SE

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Inventors

L. S. (pessoa física)

SE

N. B. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

CH

9001957-1 · 05/31/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/10/1999

RPI 1492

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Solicitação de exame técnico

#4.1

03/29/1994

RPI 1217

Publicação do pedido de patente

#3.1

01/07/1992

RPI 1101

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