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

PROCESSO DE PREPARAÇÃO DE UMA SÍLICA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002064

Type

Invention Patent

Filing

05/02/1990

Publication

08/13/1991

Progress at the INPI

  1. Filing05/02/90
  2. Publication08/13/91
  3. Examination12/03/91
  4. Allowance10/27/98
  5. Grant06/01/99
  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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

See this company's full portfolio

Inventors

J. P. (pessoa física)

FR

Technical data

Priority claims

FR

89/05869 · 05/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 33/143; A61K 7/16.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 02/05/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

06/01/1999

RPI 1482

Deferimento

#9.1

10/27/1998

RPI 1451

Exigência - art. 36 da LPI

#6.1

06/02/1998

RPI 1432

Solicitação de exame técnico

#4.1

12/03/1991

RPI 1096

Publicação do pedido de patente

#3.1

08/13/1991

RPI 1080

Pedido de patente depositado

#2.1

09/11/1990

RPI 1032

Related

From the same holder

Patent monitoring

Track this patent in real time.

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