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Official data from INPI

PROCESSO DE PURIFICAÇÃO DO ÁCIDO NÍTRICO COMERCIAL.

Em AnáliseInvention Patent

Application data

Number

PI8502703

Type

Invention Patent

Filing

05/30/1985

Publication

08/20/1985

Progress at the INPI

  1. Filing05/30/85
  2. Publication08/20/85
  3. Abandoned09/29/87
  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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fundação Centro Tecnológico de Minas Gerais/Cetec

MG, BR

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Inventors

F. M. (pessoa física)

BR

M. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/29/1987

RPI 884

Publicação antecipada

#3.2

08/20/1985

RPI 774

Pedido de patente depositado

#2.1

08/13/1985

RPI 773

Arquivamento - Art. 36 §1° da LPI

#11.2

01/15/1991

RPI 1050

Exigência - art. 36 da LPI

#6.1

04/10/1990

RPI 1013

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