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Official data from INPI

PROCESSO PARA PRODUCAO DE ALCOOL ANIDRO POR DESTILACAO EM PRESENCA DE ARRASTADOR AZEOTROPICO

Em AnáliseInvention Patent
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Application data

Number

PI7704197

Type

Invention Patent

Filing

08/27/1977

Publication

-
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Progress at the INPI

  1. Filing08/27/77
  2. Publication
  3. Examination
  4. Refused06/20/89
  5. Grant
  6. In force

The application was refused on 06/20/1989 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: 06/20/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. D. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

C07C 31/08C12F 5/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

130

06/20/1989

RPI 974

Retificação

#15.3

12/13/1988

RPI 947

Republicação - classificação IPC

#15.11

02/09/1988

RPI 903

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

08/06/1985

RPI 772

15.0

01/12/1982

RPI 586

Exigência - art. 36 da LPI

#6.1

12/01/1981

RPI 580

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