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Official data from INPI

BANHO DE DEPOSIÇÃO DE CROMO FUNCIONAL E PROCESSO PARA ELETRODEPOSITAR UMA CAMADA DE CROMO FUNCIONAL SOBRE UM METAL BASE

Prazo de SigiloInvention Patent

Application data

Number

PI8902989

Type

Invention Patent

Filing

06/20/1989

Publication

02/06/1990

Progress at the INPI

  1. Filing06/20/89
  2. Publication02/06/90
  3. Examination03/03/92
  4. Allowance
  5. Grant
  6. In force

Published on 02/06/1990, 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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem North America, Inc.

US

M&T Chemicals Inc

US

See this company's full portfolio

Inventors

N. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

209,679 · 06/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/01/1989

RPI 980

Retificação

#15.3

10/03/1995

RPI 1296

Solicitação de exame técnico

#4.1

03/03/1992

RPI 1109

14.4

11/26/1991

RPI 1095

14.1

11/19/1991

RPI 1094

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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