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Official data from INPI

PROCESSO PARA TRATAR ÁGUA RESIDUAL E PROCESSO PARA OXIDAÇÃO CATALÍTICA PARA A CONVERSÃO DE POLUENTES VOLÁTEIS QUIMICAMENTE OXIDÁVEIS

Em AnáliseInvention PatentPCT · US1989003208

Application data

Number

PI8907592

Type

Invention Patent

Filing

07/21/1989

Publication

05/14/1991

PCT

US1989003208

Progress at the INPI

  1. Filing07/21/89
  2. Publication05/14/91
  3. Examination06/16/92
  4. Allowance
  5. Grant
  6. In force

Published on 05/14/1991, 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: 09/19/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chemical Wast Management, Inc

US

Inventors

J. G. (pessoa física)

Technical data

IPC Classification

Priority claims

US

230,241 · 08/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/19/1995

RPI 1294

Solicitação de exame técnico

#4.1

06/16/1992

RPI 1124

Solicitação de exame não realizada

#4.2

03/10/1992

RPI 1110

Notificação de entrada na fase nacional - PCT

#1.3

05/14/1991

RPI 1067

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