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

PROCESSO PARA A DEPURAÇÃO DE UMA SOLUÇÃO AQUOSA DE CLORETO DE METAL ALCALINO, DE COMPOSTOS IODADOS E DE COMPOSTOS AMONIACAIS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002207

Type

Invention Patent

Filing

05/11/1990

Publication

08/13/1991

Progress at the INPI

  1. Filing05/11/90
  2. Publication08/13/91
  3. Examination10/05/93
  4. Allowance05/20/97
  5. Grant01/21/98
  6. Expired01/15/13

The letters patent expired on 01/15/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay & Cie

BE

See this company's full portfolio

Inventors

C. L. (pessoa física)

IT

M. F. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

20504 A/89 · 05/15/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/05/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

01/21/1998

RPI 1413

Deferimento

#9.1

05/20/1997

RPI 1381

Exigência - art. 36 da LPI

#6.1

10/29/1996

RPI 1352

Solicitação de exame técnico

#4.1

10/05/1993

RPI 1192

Publicação do pedido de patente

#3.1

08/13/1991

RPI 1080

Pedido de patente depositado

#2.1

09/25/1990

RPI 1034

Patent monitoring

Track this patent in real time.

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