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Official data from INPI

PROCESSO PARA A PRODUÇÃO IN SITU DE UM AEROSSOL DE ÓXIDO-SORVENTE DE EFLUENTES

Em AnáliseInvention Patent

Application data

Number

PI9003820

Type

Invention Patent

Filing

08/03/1990

Publication

11/12/1991

Progress at the INPI

  1. Filing08/03/90
  2. Publication11/12/91
  3. Examination02/25/92
  4. Allowance
  5. Grant
  6. In force

Published on 11/12/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Intevep S.A

VE

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Inventors

D. R. (pessoa física)

VE

J. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

498,952 · 03/26/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

02/25/1992

RPI 1108

Publicação do pedido de patente

#3.1

11/12/1991

RPI 1093

Pedido de patente depositado

#2.1

02/13/1991

RPI 1054

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