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

PI0117316

Arquivada/ExtintaInvention PatentPCT · US2001021230

Application data

Number

PI0117316

Type

Invention Patent

Filing

07/05/2001

Publication

-

PCT

US2001021230

Progress at the INPI

  1. Filing07/05/01
  2. Publication
  3. Examination
  4. Allowance05/24/11
  5. Grant04/17/12
  6. Expired06/14/22

The letters patent expired on 06/14/2022: 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: 06/14/2022. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ondeo Nalco Energy Services, L.P.

US

See this company's full portfolio

Inventors

N. P. (pessoa física)

US

R. G. (pessoa física)

US

R. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

09/703108 · 10/31/2000

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

PATENTE EXTINTA EM 17.04.2022

06/14/2022

RPI 2684

Concessão da patente

#16.1

04/17/2012

RPI 2154

Deferimento

#9.1

05/24/2011

RPI 2107

Notificação de pedido dividido

#2.4

Notificação da entrada da Fase Nacional (1.3):RPI 1665 (03/12/2002); Exigência técnica (6.1): RPI 2060 (29/06/2010)

01/25/2011

RPI 2090

Patent monitoring

Track this patent in real time.

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