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Official data from INPI

PROCESSO PARA SEPARAR UM COMPONENTE DE EXTRATO DE UM COMPONENTE DE REFINADO

Em AnáliseInvention Patent

Application data

Number

PI8501475

Type

Invention Patent

Filing

03/29/1985

Publication

06/03/1986

Progress at the INPI

  1. Filing03/29/85
  2. Publication04/22/86
  3. Examination08/05/86
  4. Allowance04/02/91
  5. Grant10/29/91
  6. Terminated05/21/96

The patent was granted on 10/29/1991 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: 08/05/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UOP Inc.

US

See this company's full portfolio

Inventors

A. O. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

622,031 · 06/18/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

06/03/1986

RPI 815

3.3

06/03/1986

RPI 815

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

Pedido de patente depositado

#2.1

06/18/1985

RPI 765

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

07/16/1991

RPI 1076

Republicação - classificação IPC

#15.11

07/09/1991

RPI 1075

Deferimento

#9.1

04/02/1991

RPI 1061

Exigência - art. 36 da LPI

#6.1

10/30/1990

RPI 1039

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