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

PROCESSO PARA A PREPARAÇÃO DE CETONAS ALIFÁTICAS ASSIMÉTRICAS E COMPOSIÇÃO CATALÍTICA PARA SUA REALIZAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8300595

Type

Invention Patent

Filing

02/07/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing02/07/83
  2. Publication11/08/83
  3. Examination12/24/85
  4. Allowance05/31/88
  5. Grant12/27/88
  6. Terminated10/02/90

The patent was granted on 12/27/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

See this company's full portfolio

Inventors

W. F. (pessoa física)

Technical data

Priority claims

GB

8203562 · 02/08/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Solicitação de exame técnico

#4.1

12/24/1985

RPI 792

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

Patent monitoring

Track this patent in real time.

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