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Official data from INPI

PROCESSO DE CONCENTRAÇÃO DE ÁLCOOL POR EXTRAÇÃO LÍQUIDO-LÍQUIDO.

IndeferidaInvention Patent

Application data

Number

PI8402111

Type

Invention Patent

Filing

05/04/1984

Publication

12/10/1985

Progress at the INPI

Under appeal
  1. Filing05/04/84
  2. Publication12/10/85
  3. Examination05/13/86
  4. Refused12/12/89
  5. Grant
  6. In force

The application was refused by the INPI on 12/12/1989. The invention was never patented.

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Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. U. (pessoa física)

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Inventors

P. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/12/1989

RPI 999

Conhecimento de parecer técnico

#7.1

01/03/1989

RPI 950

Retificação

#15.6

11/24/1987

RPI 892

Retificação

#15.3

08/25/1987

RPI 879

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Publicação do pedido de patente

#3.1

12/10/1985

RPI 790

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

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