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

PROCESSO PARA A OBTENÇÃO DE UMA SUSPENSÃO FLUIDA E ESTÁVEL A PARTIR DE RESÍDUOS PESADOS PROVENIENTES DA FABRICAÇÃO DE HIDROCARBONETOS CLORADOS.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001728

Type

Invention Patent

Filing

04/11/1990

Publication

05/21/1991

Progress at the INPI

  1. Filing04/11/90
  2. Publication05/21/91
  3. Examination06/22/93
  4. Allowance11/17/98
  5. Grant04/27/99
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay & Cie

BE

See this company's full portfolio

Inventors

C. C. (pessoa física)

FR

L. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89 05094 · 04/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/04/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

04/27/1999

RPI 1477

Deferimento

#9.1

11/17/1998

RPI 1454

Exigência - art. 36 da LPI

#6.1

11/19/1996

RPI 1355

Solicitação de exame técnico

#4.1

06/22/1993

RPI 1177

Publicação do pedido de patente

#3.1

05/21/1991

RPI 1068

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

Patent monitoring

Track this patent in real time.

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