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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE MONOPERSULFATO DE ÁCIDO PIRIDINA-3-PEROXICARBOXILICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906421

Type

Invention Patent

Filing

12/13/1989

Publication

08/28/1990

Progress at the INPI

  1. Filing12/13/89
  2. Publication08/28/90
  3. Examination10/06/92
  4. Allowance07/16/96
  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

Ausimont S.r.l

IT

See this company's full portfolio

Inventors

C. V. (pessoa física)

IT

C. C. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

22923 A/88 · 12/13/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/12/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/16/1996

RPI 1337

Exigência - art. 36 da LPI

#6.1

05/23/1995

RPI 1277

Solicitação de exame técnico

#4.1

10/06/1992

RPI 1140

Publicação do pedido de patente

#3.1

08/28/1990

RPI 1030

Pedido de patente depositado

#2.1

05/08/1990

RPI 1017

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