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Official data from INPI

REATOR CATALÍTICO DE LEITO FIXO, APARELHO SEPARADOR DE FASES DE REAGENTES E DISTRIBUIDOR DE FLUXO APERFEIÇOADO E PROCESSO PARA HIDROTRATAMENTO DE UMA CORRENTE DE DESTILADO DE HIDROCARBONETOS EM UM REATOR CATALÍTICO DE LEITO FIXO

ConcedidaInvention Patent

Application data

Number

PI8305689

Type

Invention Patent

Filing

10/14/1983

Publication

05/22/1984

Progress at the INPI

  1. Filing10/14/83
  2. Publication05/22/84
  3. Examination04/29/86
  4. Allowance02/21/89
  5. Grant09/26/89
  6. Terminated10/02/90

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

F. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

343.664 · 10/15/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/21/1989

RPI 957

Solicitação de exame técnico

#4.1

04/29/1986

RPI 810

Publicação do pedido de patente

#3.1

05/22/1984

RPI 709

Pedido de patente depositado

#2.1

12/27/1983

RPI 688

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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