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

PROCESSO PARA PRODUZIR AMINAS

ConcedidaInvention Patent

Application data

Number

PI8206318

Type

Invention Patent

Filing

10/29/1982

Publication

06/05/1984

Progress at the INPI

  1. Filing10/29/82
  2. Publication06/05/84
  3. Examination08/12/86
  4. Allowance05/09/89
  5. Grant11/28/89
  6. Terminated07/18/95

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem North America, Inc.

US

See this company's full portfolio

Inventors

D. G. (pessoa física)

R. G. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/09/1989

RPI 968

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

Exigência - art. 36 da LPI

#6.1

07/05/1988

RPI 924

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

06/05/1984

RPI 711

Pedido de patente depositado

#2.1

12/21/1982

RPI 635

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

20.11

12/17/1991

RPI 1098

20.4

10/29/1991

RPI 1091

Patent monitoring

Track this patent in real time.

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