(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UM HIDROCARBONETO ALQUILAROMÁTICO.

Em AnáliseInvention Patent

Application data

Number

PI8602610

Type

Invention Patent

Filing

06/04/1986

Publication

02/03/1987

Progress at the INPI

  1. Filing06/04/86
  2. Publication02/03/87
  3. Examination05/12/87
  4. Allowance03/23/99
  5. Grant07/27/99
  6. Expired12/05/12

The letters patent expired on 12/05/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uop Inc.

US

See this company's full portfolio

Inventors

R. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

741.331 · 06/05/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

05/12/1987

RPI 864

Publicação do pedido de patente

#3.1

02/03/1987

RPI 850

Pedido de patente depositado

#2.1

12/09/1986

RPI 842

Carta-patente expirada

#21.1

Patente extinta em 27/07/2009

12/05/2012

RPI 2187

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

03/23/1999

RPI 1472

Exigência - art. 36 da LPI

#6.1

06/23/1998

RPI 1435

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.