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

PROCESSO PARA PREPARAR PIRIMIDINAS SUBSTITUIDAS COM ARILENODIAMINAS, E, PROCESSO PARA FABRICAÇÃO DE TRIS- 2, 4, 6, (N-SUBSTITUIDO-P-FENILENODIAMINA) PIRIMIDINA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904702

Type

Invention Patent

Filing

09/19/1989

Publication

05/01/1990

Progress at the INPI

  1. Filing09/19/89
  2. Publication05/01/90
  3. Examination09/25/90
  4. Allowance05/04/99
  5. Grant09/08/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uniroyal Chemical Company, Inc.

US

See this company's full portfolio

Inventors

E. W. (pessoa física)

US

F. B. (pessoa física)

US

R. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

247,143 · 09/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/09/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

09/08/1999

RPI 1496

Deferimento

#9.1

05/04/1999

RPI 1478

Exigência - art. 36 da LPI

#6.1

12/29/1998

RPI 1460

Exigência - art. 36 da LPI

#6.1

06/09/1998

RPI 1433

Exigência - art. 36 da LPI

#6.1

07/18/1995

RPI 1285

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

Publicação do pedido de patente

#3.1

05/01/1990

RPI 1016

Pedido de patente depositado

#2.1

02/13/1990

RPI 1006

Patent monitoring

Track this patent in real time.

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