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Official data from INPI

PROCESSO PARA A HIDROGENAÇÃO DE COMPOSTOS ORGÂNICOS INSATURADOS, E, PROCESSO PARA PREPARAR UM CATALISADOR DE NÍQUEL/SÍLICA.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002294

Type

Invention Patent

Filing

05/16/1990

Publication

08/13/1991

Progress at the INPI

  1. Filing05/16/90
  2. Publication08/13/91
  3. Examination06/29/93
  4. Allowance03/23/99
  5. Grant07/27/99
  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: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson Matthey PLC

GB

Unichema Chemie B.V.

NL

Unilever N.V

NL

See this company's full portfolio

Inventors

C. L. (pessoa física)

NL

Technical data

Priority claims

EP

89201229.5 · 05/16/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/05/2010

01/15/2013

RPI 2193

Transferência deferida

#25.1

Transferido de: Unichema Chemie B.V.

08/15/2006

RPI 1858

Transferência deferida

#25.1

Transferido de: Unilever N.V.

08/01/2006

RPI 1856

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

03/23/1999

RPI 1472

Exigência - art. 36 da LPI

#6.1

09/15/1998

RPI 1447

Solicitação de exame técnico

#4.1

06/29/1993

RPI 1178

Publicação do pedido de patente

#3.1

08/13/1991

RPI 1080

Pedido de patente depositado

#2.1

09/25/1990

RPI 1034

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