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Official data from INPI

ADITIVO APROPRIADO PARA ÓLEO COMBUSTÍVEL, ÓLEO BRUTO OU ÓLEO LUBRIFICANTE, E COMPOSIÇÃO E CONCENTRADO QUE O CONTÉM

PublicadaInvention Patent

Application data

Number

PI8804496

Type

Invention Patent

Filing

09/01/1988

Publication

04/04/1989

Progress at the INPI

  1. Filing09/01/88
  2. Publication04/04/89
  3. Abandoned07/09/91
  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: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

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Inventors

J. B. (pessoa física)

GB

K. L. (pessoa física)

GB

Technical data

Priority claims

GB

8720606 · 09/02/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/04/1989

RPI 963

Pedido de patente depositado

#2.1

01/24/1989

RPI 953

Republicação - classificação IPC

#15.11

02/18/1997

RPI 1368

Arquivamento - Art. 36 §1° da LPI

#11.2

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

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