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Official data from INPI

PROCESSO E INSTALAÇÃO PARA PRODUÇÃO DE URÉIA, E PROCESSO PARA MODERNIZAÇÃO DE INSTALAÇÃO PARA PRODUÇÃO DE URÉIA

Arquivada/ExtintaInvention PatentPCT · IB1996000083

Application data

Number

PI9606852

Type

Invention Patent

Filing

01/31/1996

Publication

11/25/1997

PCT

IB1996000083

Progress at the INPI

  1. Filing01/31/96
  2. Publication11/25/97
  3. Examination
  4. Allowance03/30/04
  5. Grant05/25/04
  6. Expired04/26/16

The letters patent expired on 04/26/2016: 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: 04/26/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Urea Casale S.A.

CH

See this company's full portfolio

Inventors

G. P. (pessoa física)

CH

U. Z. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

00263/95-8 · 02/01/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/01/2016

04/26/2016

RPI 2364

Concessão da patente

#16.1

05/25/2004

RPI 1742

Deferimento

#9.1

03/30/2004

RPI 1734

Exigência - art. 36 da LPI

#6.1

09/30/2003

RPI 1708

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1997

RPI 1408

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