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Official data from INPI

PROCESSO DE GRANULAÇÃO DE AZIDA DE CHUMBO (AZIDA) E STIFNATO DE CHUMBO (TRICINATO).

Em AnáliseInvention Patent

Application data

Number

PI8401214

Type

Invention Patent

Filing

03/16/1984

Publication

06/19/1984

Progress at the INPI

Under appeal
  1. Filing03/16/84
  2. Publication06/19/84
  3. Examination08/28/84
  4. Refused06/25/91
  5. Grant
  6. In force

The application was refused by the INPI on 06/25/1991. The invention was never patented.

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Latest action published by the INPI: 01/08/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Explo-Indústrias Químicas e Explosivos S.A.

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Inventors

L. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação antecipada

#3.2

06/19/1984

RPI 713

Pedido de patente depositado

#2.1

05/29/1984

RPI 710

Indeferimento

#9.2

06/25/1991

RPI 1073

Conhecimento de parecer técnico

#7.1

10/16/1990

RPI 1037

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