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Official data from INPI

PROCESSO PARA PRODUZIR PARTÍCULAS INIBIDORAS DE CORROSÃO, E, PROCESSO PARA PROVER MATERIAIS DE REVESTIMENTO PROTETORES CONTRA A CORROSÃO.

Em AnáliseInvention Patent
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Application data

Number

PI8503288

Type

Invention Patent

Filing

07/09/1985

Publication

04/01/1986
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Progress at the INPI

  1. Filing07/09/85
  2. Publication04/01/86
  3. Examination01/19/88
  4. Allowance02/24/93
  5. Abandoned
  6. In force

The application was allowed on 02/24/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 01/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The British Petroleum Company Plc

GB

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Inventors

O. G. (pessoa física)

Technical data

IPC Classification

C09C 3/08C09C 3/10C09D 5/08C23F 11/00C23F 11/08C23F 11/18C23F 15/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/19/1988

RPI 900

Publicação do pedido de patente

#3.1

04/01/1986

RPI 806

Pedido de patente depositado

#2.1

09/17/1985

RPI 778

Arquivamento - Art. 38 §2° da LPI

#11.4

10/19/1993

RPI 1194

Notificação para pagamento de retribuição

#13.1

06/08/1993

RPI 1175

Deferimento

#9.1

02/24/1993

RPI 1160

Exigência - art. 36 da LPI

#6.1

02/25/1992

RPI 1108

Republicação - classificação IPC

#15.11

11/05/1991

RPI 1092

Exigência - art. 36 da LPI

#6.1

01/29/1991

RPI 1052

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