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Official data from INPI

PROCESSO DE PREPARAÇÃO E SEPARAÇÃO DE ÍTENS ALIFÁTICOS

Em AnáliseInvention Patent

Application data

Number

PI8505653

Type

Invention Patent

Filing

11/11/1985

Publication

06/09/1987

Progress at the INPI

  1. Filing11/11/85
  2. Publication06/09/87
  3. Examination07/18/89
  4. Allowance09/29/92
  5. Grant06/29/93
  6. Terminated08/20/96

The patent was granted on 06/29/1993 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Petroflex Industria e Comercio S/A

RJ, BR

See this company's full portfolio

Inventors

A. C. (pessoa física)

BR

M. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/18/1989

RPI 978

Publicação do pedido de patente

#3.1

06/09/1987

RPI 868

Pedido de patente depositado

#2.1

01/21/1986

RPI 796

Anuidade - prazo legal encerrado

#18.2

08/20/1996

RPI 1342

22.2

07/16/1996

RPI 1337

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

03/02/1993

RPI 1161

Deferimento

#9.1

09/29/1992

RPI 1139

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