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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE AZOCOMPOSTOS COMPLEXOS DE CROMO 1:2 E DE COBALTO 1:2 HIDROSSOLÚVEIS, SIMÉTRICOS OU ASSIMÉTRICOS, DE MONOAZOCOMPOSTOS OU DE SEUS COMPLEXOS MISTOS DE CROMO 1:2 E DE COBALTO 1:2

ConcedidaInvention Patent

Application data

Number

PI8206624

Type

Invention Patent

Filing

11/16/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/16/82
  2. Publication10/04/83
  3. Examination01/07/86
  4. Allowance11/22/88
  5. Grant08/29/89
  6. Terminated01/03/95

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. M. (pessoa física)

DE

D. F. (pessoa física)

DE

Technical data

Priority claims

DE

P 31 45 571.9 · 11/17/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

11/22/1988

RPI 944

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

Solicitação de exame técnico

#4.1

01/07/1986

RPI 794

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/04/1983

RPI 637

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

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