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Official data from INPI

PROCESSO PARA A REMOÇÃO DE TRAÇOS DE CONTAMINANTES ESPECIFICAMENTE FOSFOLIPÍDEOS E IONS METÁLICOS ASSOCIADOS DE ÉSTERES GRAXOS, E PROCESSO DE TRATAMENTO SEQUENCIAL PARA REDUZIR O TEOR DE FOSFOLIPÍDEOS DE, E DESCOBRIR ÉSTERES GRAXOS

Em AnáliseInvention Patent

Application data

Number

PI9003839

Type

Invention Patent

Filing

08/06/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/06/90
  2. Publication09/03/91
  3. Examination01/07/92
  4. Allowance
  5. Grant
  6. In force

Published on 09/03/1991, 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: 05/06/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.- Conn

US

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Inventors

A. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

390.799 · 08/08/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

05/06/1997

RPI 1379

Solicitação de exame técnico

#4.1

01/07/1992

RPI 1101

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/13/1991

RPI 1054

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