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Official data from INPI

PROCESSO PARA A NITRACAO DE UM OU MAIS COMPOSTOS ORGANICOS

ConcedidaInvention Patent

Application data

Number

PI8302219

Type

Invention Patent

Filing

05/01/1982

Publication

01/03/1984

Progress at the INPI

  1. Filing05/01/82
  2. Publication01/03/84
  3. Examination04/01/86
  4. Allowance09/06/88
  5. Grant06/27/89
  6. Terminated02/18/92

The patent was granted on 06/27/1989 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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTEROX CHEMICALS LTD [GB]

Inventors

A. J. (pessoa física)

B. L. (pessoa física)

C. M. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/27/1989

RPI 975

Notificação para pagamento de retribuição

#13.1

12/27/1988

RPI 949

Deferimento

#9.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

04/01/1986

RPI 806

Publicação do pedido de patente

#3.1

01/03/1984

RPI 689

Pedido de patente depositado

#2.1

06/14/1983

RPI 660

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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