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Official data from INPI

PROCESSO PARA SEPARAR EMULSÕES DE ÓLEO-EM-ÁGUA.

Em AnáliseInvention Patent

Application data

Number

PI8506379

Type

Invention Patent

Filing

12/19/1985

Publication

09/02/1986

Progress at the INPI

Under appeal
  1. Filing12/19/85
  2. Publication09/02/86
  3. Examination09/20/88
  4. Refused12/26/90
  5. Grant
  6. In force

The application was refused by the INPI on 12/26/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

M. H. (pessoa física)

DE

M. H. (pessoa física)

DE

R. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 46 489.1 · 12/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

11/08/1988

RPI 942

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

09/02/1986

RPI 828

Pedido de patente depositado

#2.1

03/04/1986

RPI 802

Indeferimento

#9.2

12/26/1990

RPI 1047

Conhecimento de parecer técnico

#7.1

02/01/1990

RPI 1004

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