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Official data from INPI

COMPOSICAO PARA PROTEGER SUPERFICIES DE METAL CONTRAL CORROSAO

ArquivadaInvention Patent

Application data

Number

PI8303394

Type

Invention Patent

Filing

06/26/1982

Publication

02/07/1984

Progress at the INPI

  1. Filing06/26/82
  2. Publication02/07/84
  3. Abandoned01/14/86
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OCCIDENTAL CHEM CO [US]

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Inventors

F. F. (pessoa física)

H. H. (pessoa física)

M. S. (pessoa física)

R. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/26/1989

RPI 988

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

14.1

05/10/1988

RPI 916

15.19

11/24/1987

RPI 892

Retificação

#15.3

10/06/1987

RPI 885

Solicitação de exame técnico

#4.1

01/14/1986

RPI 795

Publicação do pedido de patente

#3.1

02/07/1984

RPI 694

Pedido de patente depositado

#2.1

08/09/1983

RPI 668

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