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

PROCESSO PARA A PRODUÇÃO DE UM COMPOSTO DE CELULOSE SOLÚVEL EM ÁLCALI.

ConcedidaInvention Patent

Application data

Number

PI8200431

Type

Invention Patent

Filing

01/26/1982

Publication

11/30/1982

Progress at the INPI

  1. Filing01/26/82
  2. Publication11/30/82
  3. Examination10/30/84
  4. Allowance08/06/85
  5. Grant06/24/86
  6. Terminated11/15/94

The patent was granted on 06/24/1986 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Neste Oy

FI

See this company's full portfolio

Inventors

J. H. (pessoa física)

FI

K. E. (pessoa física)

FI

L. M. (pessoa física)

O. T. (pessoa física)

V. E. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

810 226 · 01/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Deferimento

#9.1

08/06/1985

RPI 772

Solicitação de exame técnico

#4.1

10/30/1984

RPI 732

Publicação do pedido de patente

#3.1

11/30/1982

RPI 632

Pedido de patente depositado

#2.1

03/16/1982

RPI 595

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

Related

Patent monitoring

Track this patent in real time.

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