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

METODO DE FORNECIMENTO DE LIGNIMA SEPARAVEL DA CELULOSE E HEMICELULOSE EM MATERIAL LIGNOCELULOSICO E O PRODUTO ASSIM PRODUZIDO

ConcedidaInvention Patent

Application data

Number

PI7804468

Type

Invention Patent

Filing

07/11/1977

Publication

-

Progress at the INPI

  1. Filing07/11/77
  2. Publication
  3. Examination
  4. Allowance01/24/84
  5. Grant05/29/84
  6. Terminated09/18/90

The patent was granted on 05/29/1984 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: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. D. (pessoa física)

Inventors

D. E. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/29/1984

RPI 710

Deferimento

#9.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

6.2

01/19/1982

RPI 587

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.