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Official data from INPI

PROCESSO PARA TRATAR ÓLEO DE XISTO PARA MAXIMIZAR A PRODUÇÃO DE COMBUSTÍVEL PARA TURBINA A JATO A PARTIR DO MESMO, PROCESSO PARA CONVERTER ÓLEO DE XISTO EM COMBUSTÍVEL PARA TURBINAS E PROCESSO PARA TRATAR ÓLEO DE XISTO OU DESTILADO DE ÓLEO DE XISTO OU SUAS MISTURAS.

Em AnáliseInvention Patent

Application data

Number

PI8102078

Type

Invention Patent

Filing

04/06/1981

Publication

10/13/1981

Progress at the INPI

  1. Filing04/06/81
  2. Publication10/13/81
  3. Abandoned11/29/83
  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: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ashland Oil, Inc

US

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Inventors

H. J. (pessoa física)

J. C. (pessoa física)

M. H. (pessoa física)

W. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

138,237 · 04/07/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/29/1983

RPI 684

Publicação do pedido de patente

#3.1

10/13/1981

RPI 573

Arquivamento - Art. 36 §1° da LPI

#11.2

06/30/1992

RPI 1126

Exigência - art. 36 da LPI

#6.1

10/01/1991

RPI 1087

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