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

PROCESSO DE PRÉ-BRANQUEAMENTO OU DESLIGNIFICAÇÃO COM OXIGÊNIO DE POLPA KRAFT

IndeferidaInvention Patent

Application data

Number

PI9003954

Type

Invention Patent

Filing

08/10/1990

Publication

02/25/1992

Progress at the INPI

Under appeal
  1. Filing08/10/90
  2. Publication02/25/92
  3. Examination06/15/93
  4. Refused01/18/00
  5. Grant
  6. In force

The application was refused by the INPI on 01/18/2000. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/18/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

White Martins Gases Industriais S.A

RJ, BR

Inventors

A. C. (pessoa física)

BR

J. C. (pessoa física)

BR

J. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido o pedido com base no Artigo 8º combinado com o Artigo 37º da LPI vigente.

01/18/2000

RPI 1515

Exigência - art. 36 da LPI

#6.1

06/16/1998

RPI 1434

Solicitação de exame técnico

#4.1

06/15/1993

RPI 1176

Publicação do pedido de patente

#3.1

02/25/1992

RPI 1108

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

Patent monitoring

Track this patent in real time.

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