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

PROCESSO PARA A PREPARAÇÃO DE HIDROPERÓXIDOS DE ARALQUILA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905733

Type

Invention Patent

Filing

11/09/1989

Publication

06/05/1990

Progress at the INPI

  1. Filing11/09/89
  2. Publication06/05/90
  3. Examination07/16/91
  4. Allowance10/01/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Peroxid-Chemie GmbH

DE

See this company's full portfolio

Inventors

D. H. (pessoa física)

DE

D. D. (pessoa física)

DE

D. Z. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 38 028.5 · 11/09/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/11/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Deferimento

#9.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

Pedido de patente depositado

#2.1

05/08/1990

RPI 1017

Patent monitoring

Track this patent in real time.

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