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Official data from INPI

PROCESSO APERFEICOADO PARA SEPARACAO DE MISTURAS DE ALDEIDOS,ALCOOL,AGUA E IMPUREZAS LEVES E PESADAS

IndeferidaInvention Patent

Application data

Number

PI8301039

Type

Invention Patent

Filing

03/01/1983

Publication

10/09/1984

Progress at the INPI

Under appeal
  1. Filing03/01/83
  2. Publication10/09/84
  3. Examination01/08/85
  4. Refused12/06/88
  5. Grant
  6. In force

The application was refused by the INPI on 12/06/1988. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OXITENO S A IND E COMERCIO [BR]

Inventors

B. R. (pessoa física)

G. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/06/1988

RPI 946

Conhecimento de parecer técnico

#7.1

02/23/1988

RPI 905

Pedido de certificado de adição de invenção

#5.1

05/21/1985

RPI 761

Solicitação de exame técnico

#4.1

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

10/09/1984

RPI 729

Pedido de patente depositado

#2.1

04/19/1983

RPI 652

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