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

PROCESSO PARA PRODUCAO DE OLEFINAS

Em AnáliseInvention Patent

Application data

Number

PI7802986

Type

Invention Patent

Filing

04/12/1978

Publication

-

Progress at the INPI

  1. Filing04/12/78
  2. Publication
  3. Examination
  4. Allowance10/11/83
  5. Grant04/24/84
  6. Terminated09/18/90

The patent was granted on 04/24/1984 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: 04/02/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

LINDE AG

See this company's full portfolio

Inventors

K. W. (pessoa física)

M. M. (pessoa física)

W. A. (pessoa física)

W. H. (pessoa física)

W. H. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

16.3

07/24/1984

RPI 718

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

Conhecimento de parecer técnico

#7.1

07/27/1982

RPI 614

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

Patent monitoring

Track this patent in real time.

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