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Official data from INPI

COMPOSICAO AQUOSA E PROCESSO PARA REMOCAO DE DEPOSITOS CONTENDO ASFALTENICOS E PARAFINICOS

ArquivadaInvention Patent

Application data

Number

PI7901682

Type

Invention Patent

Filing

03/24/1978

Publication

-

Progress at the INPI

  1. Filing03/24/78
  2. Publication
  3. Abandoned11/24/81
  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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HALLIBURTON CO

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

08/18/1987

RPI 878

Republicação - classificação IPC

#15.11

08/23/1983

RPI 670

Solicitação de exame técnico

#4.1

11/24/1981

RPI 579

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