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Official data from INPI

PROCESSO PARA APLICACAO DE REVESTIMENTO DE CONVERSAO EM SUPERFICIE DE ALUMINIO POR MEIO DE SOLUCOES QUE CONTEM IONS DE TITANIO E/OU IONS DE ZIRCONIO, DE FLUORETO E DE FOSFATO

IndeferidaInvention Patent

Application data

Number

PI8305371

Type

Invention Patent

Filing

09/30/1982

Publication

05/08/1984

Progress at the INPI

Under appeal
  1. Filing09/30/82
  2. Publication05/08/84
  3. Examination05/27/86
  4. Refused04/25/89
  5. Grant
  6. In force

The application was refused by the INPI on 04/25/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OCCIDENTAL CHEM CO [US]

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Inventors

S. P. (pessoa física)

W. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/25/1989

RPI 966

Conhecimento de parecer técnico

#7.1

07/26/1988

RPI 927

14.7

10/13/1987

RPI 886

14.1

10/06/1987

RPI 885

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

05/08/1984

RPI 707

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

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