Official data from INPI

PROCESSO DE LIQUEFACAO DE CARVAO MINERAL DE CURTO TEMPO DE RESISTENCIA INCLUINDO HIDROGENACAO CATALITICA

ArquivadaInvention Patent

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Application data

Number

PI8108775

Type

Invention Patent

Filing

09/09/1980

Publication

07/13/1982

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Progress at the INPI

Filing09/09/80
Publication07/13/82
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 09/09/1980 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/14/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PITTSBURGH MIDWAY COAL MINING [US]

Inventors

A. P. (pessoa física)

S. K. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

C10G 1/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

05/14/1985

RPI 760

Notificação de entrada na fase nacional - PCT

#1.3

07/13/1982

RPI 612

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