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Official data from INPI

AGENTES PARA REMOCAO DE IMPUREZAS DO METAL FUNDIDO,METODO PARA A PREPARACAO DO AGENTE E PROCESSO PARA PRODUZIR OS MESMOS

Em ExigênciaInvention Patent

Application data

Number

PI8503226

Type

Invention Patent

Filing

06/27/1984

Publication

03/25/1986

Progress at the INPI

  1. Filing06/27/84
  2. Publication03/25/86
  3. Abandoned04/12/88
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BOC GROUP INC [US]

Inventors

B. W. (pessoa física)

D. A. (pessoa física)

R. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

04/12/1988

RPI 912

Publicação do pedido de patente

#3.1

03/25/1986

RPI 805

Pedido de patente depositado

#2.1

09/10/1985

RPI 777

Arquivamento - Art. 36 §1° da LPI

#11.2

01/23/1990

RPI 1003

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