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Official data from INPI

PROCESSO PARA CONVERSAO DE UM CARVAO LIQUEFATIVO DIRETAMENTE PARA PRODUTOS PREDOMINANTEMENTE LIQUIDOS APROPRIADOS PARA FORMACAO DE COMBUSTIVEL HIDROCARBONADO E APARELHO PARA CONDUCAO DE PROCESSO

ConcedidaInvention Patent

Application data

Number

PI8003775

Type

Invention Patent

Filing

06/18/1979

Publication

-

Progress at the INPI

  1. Filing06/18/79
  2. Publication
  3. Examination04/19/83
  4. Allowance08/06/85
  5. Grant03/25/86
  6. Terminated09/25/90

The patent was granted on 03/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SASOL ONE LTD

Inventors

B. A. (pessoa física)

J. B. (pessoa física)

K. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

14.4

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

04/19/1983

RPI 652

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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