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Official data from INPI

PROCESSO PARA O CONDICIONAMENTO DE ÁCIDO SULFÚRICO RESIDUAL

ArquivadaInvention PatentPCT · EP1991000329

Application data

Number

PI9106107

Type

Invention Patent

Filing

02/22/1991

Publication

02/24/1993

PCT

EP1991000329

Progress at the INPI

  1. Filing02/22/91
  2. Publication02/24/93
  3. Abandoned11/23/93
  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: 08/17/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

H. P. (pessoa física)

DE

H. L. (pessoa física)

DE

W. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 06 665.7 · 03/03/1990

Abstract

Processo para o acondicionamento de ácido sulfúrico residual, que tende para a separação de resinas ou alcatrões, caracterizado pelo fato de serem adicionados ao ácido sulfúrico residual, emulsionantes, de preferência poliéteres de cadeia longa.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/17/1999

RPI 1493

Exigência - art. 36 da LPI

#6.1

12/01/1998

RPI 1456

Solicitação de exame técnico

#4.1

11/23/1993

RPI 1199

Notificação de entrada na fase nacional - PCT

#1.3

02/24/1993

RPI 1160

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