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

PROCESSO PARA A PREPARACAO DE COMPOSTOS,APLICACAO DO MATERIAL DE AMASSAMENTO OBTIDO EM TAL PROCESSO,PROCESSO PARA A PREPARACAO DE CORANTES AZOICOS E SEUS CORANTES COMPLEXOS METALICOS,E CORANTES ASSIM OBTIDOS

ConcedidaInvention Patent

Application data

Number

PI7705101

Type

Invention Patent

Filing

08/03/1976

Publication

-

Progress at the INPI

  1. Filing08/03/76
  2. Publication
  3. Examination
  4. Allowance09/20/83
  5. Grant03/27/84
  6. Terminated01/21/92

The patent was granted on 03/27/1984 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOECHST AG

See this company's full portfolio

Inventors

H. E. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/03/1984

RPI 689

Deferimento

#9.1

09/20/1983

RPI 674

Exigência - art. 36 da LPI

#6.1

09/28/1982

RPI 623

6.2

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

Patent monitoring

Track this patent in real time.

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