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Official data from INPI

PROCESSO E EQUIPAMENTO PARA OBTENÇÃO DE ÁLCOOL ETÍLICO NÃO CORROSIVO

Em AnáliseInvention Patent

Application data

Number

PI8105166

Type

Invention Patent

Filing

08/11/1981

Publication

11/10/1981

Progress at the INPI

  1. Filing08/11/81
  2. Publication11/10/81
  3. Examination12/27/83
  4. Refused12/31/85
  5. Grant
  6. In force

The application was refused on 12/31/1985 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS

MG, BR

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Inventors

D. J. (pessoa física)

D. J. (pessoa física)

M. F. (pessoa física)

T. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

12/31/1985

RPI 793

Petição de recurso

#12.2

09/10/1985

RPI 777

Indeferimento

#9.2

05/14/1985

RPI 760

Pedido de certificado de adição de invenção

#5.1

05/22/1984

RPI 709

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação antecipada

#3.2

11/10/1981

RPI 577

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