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

PROCESSO PARA A REMOÇÃO DE ARSÊNICO DE FLUORETO DE HIDROGÊNIO ANIDRO, CONTAMINADO COM ARSÊNICO

Em ExigênciaInvention Patent

Application data

Number

PI8406781

Type

Invention Patent

Filing

12/28/1984

Publication

07/08/1986

Progress at the INPI

  1. Filing12/28/84
  2. Publication07/08/86
  3. Examination05/24/88
  4. Allowance01/23/90
  5. Grant06/26/90
  6. Terminated09/12/95

The patent was granted on 06/26/1990 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem North America, Inc.

US

See this company's full portfolio

Inventors

D. G. (pessoa física)

G. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

606,484 · 05/03/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/22/1989

RPI 983

Solicitação de exame técnico

#4.1

05/24/1988

RPI 918

Publicação do pedido de patente

#3.1

07/08/1986

RPI 820

Pedido de patente depositado

#2.1

03/19/1985

RPI 752

Anuidade - prazo legal encerrado

#18.2

09/12/1995

RPI 1293

20.4

03/03/1992

RPI 1109

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

01/23/1990

RPI 1003

Patent monitoring

Track this patent in real time.

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