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

PROCESSO PARA A PREPARAÇÃO DE UM COMPOSTO DERIVADO DE PIRIDINA, E, PROCESSO PARA PREPARAR O RESPECTIVO COMPOSTO DE PARTIDA OU PRECURSOR

Em AnáliseInvention Patent

Application data

Number

PI8403838

Type

Invention Patent

Filing

08/01/1984

Publication

07/09/1985

Progress at the INPI

  1. Filing08/01/84
  2. Publication07/09/85
  3. Examination06/02/87
  4. Allowance09/11/90
  5. Grant03/26/91
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

M. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

519.603 · 08/02/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

07/09/1985

RPI 768

Pedido de patente depositado

#2.1

10/09/1984

RPI 729

Carta-patente expirada

#21.1

Patente extinta em 01/08/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

03/26/1991

RPI 1060

Notificação para pagamento de retribuição

#13.1

12/26/1990

RPI 1047

Deferimento

#9.1

09/11/1990

RPI 1032

Exigência - art. 36 da LPI

#6.1

03/06/1990

RPI 1008

Related

From the same holder

Patent monitoring

Track this patent in real time.

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