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Official data from INPI

PROCESSO DE PREPARO DE UMA MISTURA COMBUSTIVEL HOMOGENEA E MISTURA COMBUSTIVEL

IndeferidaInvention Patent
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Application data

Number

PI8101956

Type

Invention Patent

Filing

04/01/1981

Publication

-
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Progress at the INPI

Under appeal
  1. Filing04/01/81
  2. Publication
  3. Examination
  4. Refused01/10/89
  5. Grant
  6. In force

The application was refused by the INPI on 01/10/1989. The invention was never patented.

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Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

COPENE PETROQUIM NORDESTE SA [BR]

ISHIKAWAJIMA HARIMA HEAVY IND [BR]

Inventors

No inventors listed.

Technical data

IPC Classification

C10L 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/10/1989

RPI 951

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Conhecimento de parecer técnico

#7.1

05/31/1988

RPI 919

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Pedido de certificado de adição de invenção

#5.1

02/09/1982

RPI 590

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