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

PREPARO DE CELULOSE DE BAMBU COM REDUÇÃO DE 50% DE PRODUTOS QUÍMICOS E AUMENTO DE 50% NAS PROPRIEDADES FÍSICAS.

Em AnáliseInvention Patent

Application data

Number

PI8300488

Type

Invention Patent

Filing

02/01/1983

Publication

04/12/1983

Progress at the INPI

  1. Filing02/01/83
  2. Publication04/12/83
  3. Examination07/05/83
  4. Allowance04/09/85
  5. Grant09/17/85
  6. In force02/01/03

The patent was granted on 09/17/1985 and is in force until 02/01/2003. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:02/01/2003

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 05/06/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Indústrias Brasileiras Portela

PE, BR

Inventors

P. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

05/06/1986

RPI 811

Concessão da patente

#16.1

09/17/1985

RPI 778

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

07/05/1983

RPI 663

3.4

05/24/1983

RPI 657

Publicação antecipada

#3.2

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

Retificação

#15.3

11/05/1991

RPI 1092

Concessão anulada

#16.2

09/03/1991

RPI 1083

Patent monitoring

Track this patent in real time.

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