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

APERFEIÇOAMENTO EM UM PROCESSO EM QUE GRANDES AGLOMERADOS DE REAGENTES DESSULFURIZANTES A BASE DE CARBONETO SÃO MOÍDOS EM PARTÍCULAS MUITO FINAS

Em AnáliseInvention Patent

Application data

Number

PI8506041

Type

Invention Patent

Filing

12/03/1985

Publication

08/19/1986

Progress at the INPI

  1. Filing12/03/85
  2. Publication08/19/86
  3. Abandoned07/05/88
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cyanamid Canada Inc

CA

Inventors

A. H. (pessoa física)

CA

R. J. (pessoa física)

CA

W. K. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

CA

469.240-3 · 12/04/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/05/1988

RPI 924

Publicação do pedido de patente

#3.1

08/19/1986

RPI 826

Pedido de patente depositado

#2.1

02/18/1986

RPI 800

Arquivamento - Art. 36 §1° da LPI

#11.2

05/11/1993

RPI 1171

Exigência - art. 36 da LPI

#6.1

09/29/1992

RPI 1139

Conhecimento de parecer técnico

#7.1

11/05/1991

RPI 1092

Patent monitoring

Track this patent in real time.

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