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Official data from INPI

PROCESSO DE ATIVAÇÃO DA TURFA PARA TRANSFORMÁ-LA EM UM EFICIENTE SORVENTE DE METAIS PESADOS NAS CONDIÇÕES ÓTIMAS DE PROCESSO

PublicadaInvention Patent

Application data

Number

PI8802186

Type

Invention Patent

Filing

04/29/1988

Publication

11/28/1989

Progress at the INPI

  1. Filing04/29/88
  2. Publication11/28/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Tecnologia e Pesquisa de Sergipe

SE, BR

U. S. (pessoa física)

SE, BR

Inventors

C. A. (pessoa física)

BR

J. D. (pessoa física)

P. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/28/1989

RPI 997

Pedido de patente depositado

#2.1

09/27/1988

RPI 936

11.3

06/18/1991

RPI 1072

Solicitação de exame não realizada

#4.2

01/15/1991

RPI 1050

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