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Official data from INPI

SISTEMA PARA REMOÇÃO SUBSTANCIAL DE HIDROCARBONETOS AROMÁTICOS POLINUCLEARES DE ÓLEO LUBRIFICANTE E CARBONO ATIVADO

ArquivadaInvention PatentPCT · GB1988000009

Application data

Number

PI8804817

Type

Invention Patent

Filing

01/07/1988

Publication

10/03/1989

PCT

GB1988000009

Progress at the INPI

  1. Filing01/07/88
  2. Publication10/03/89
  3. Abandoned07/24/90
  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.

Talk to a specialist

Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

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Inventors

D. B. (pessoa física)

US

D. N. (pessoa física)

CA

H. S. (pessoa física)

US

Technical data

Priority claims

GB

8700241 · 01/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/03/1989

RPI 989

Arquivamento - Art. 36 §1° da LPI

#11.2

04/23/1996

RPI 1325

Exigência - art. 36 da LPI

#6.1

08/01/1995

RPI 1287

Solicitação de exame técnico

#4.1

07/24/1990

RPI 1025

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