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

PROCESSO PARA A REGENERACAO DE UM CATALISADOR

Em AnáliseInvention Patent

Application data

Number

PI7706140

Type

Invention Patent

Filing

09/15/1976

Publication

-

Progress at the INPI

  1. Filing09/15/76
  2. Publication
  3. Examination
  4. Allowance09/21/82
  5. Grant04/26/83
  6. Terminated12/15/87

The patent was granted on 04/26/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

See this company's full portfolio

Inventors

D. H. (pessoa física)

I. O. (pessoa física)

K. B. (pessoa física)

S. H. (pessoa física)

S. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

22.9

06/28/1983

RPI 662

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/21/1982

RPI 622

Exigência - art. 36 da LPI

#6.1

01/05/1982

RPI 585

Patent monitoring

Track this patent in real time.

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