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

PROCESSO PARA A PREPARAÇÃO DE UMA CICLOALCANONA E/OU UM CICLOALCANOL

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905349

Type

Invention Patent

Filing

10/20/1989

Publication

05/22/1990

Progress at the INPI

  1. Filing10/20/89
  2. Publication05/22/90
  3. Examination08/04/92
  4. Allowance12/10/96
  5. Grant01/21/98
  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

Stamicarbon B.V

NL

See this company's full portfolio

Inventors

H. B. (pessoa física)

NL

U. K. (pessoa física)

NL

Technical data

Priority claims

NL

8802592 · 10/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/10/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

01/21/1998

RPI 1413

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

12/10/1996

RPI 1358

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Solicitação de exame técnico

#4.1

08/04/1992

RPI 1131

Publicação do pedido de patente

#3.1

05/22/1990

RPI 1019

Pedido de patente depositado

#2.1

03/27/1990

RPI 1011

Patent monitoring

Track this patent in real time.

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