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Official data from INPI

COMPÓSITO CATALÍTICO, PROCESSO PARA CONVERTER UM ESTOQUE DE CARGA DE HIDROCARBONETOS E PROCESSO DE ISOMERIZAÇÃO CATALÍTICA

ConcedidaInvention Patent

Application data

Number

PI8202383

Type

Invention Patent

Filing

04/26/1982

Publication

04/05/1983

Progress at the INPI

  1. Filing04/26/82
  2. Publication04/05/83
  3. Examination08/30/83
  4. Allowance04/08/86
  5. Grant11/29/88
  6. Terminated11/29/94

The patent was granted on 11/29/1988 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uop Inc.

US

See this company's full portfolio

Inventors

D. R. (pessoa física)

US

Technical data

Priority claims

US

257,690 · 04/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

110

07/12/1988

RPI 925

Recurso

#12.1

08/19/1986

RPI 826

Deferimento

#9.1

04/08/1986

RPI 807

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Publicação do pedido de patente

#3.1

04/05/1983

RPI 650

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

11/29/1994

RPI 1252

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