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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE COMPLEXOS FERRO-ARENO

PublicadaInvention Patent

Application data

Number

PI8706014

Type

Invention Patent

Filing

11/09/1987

Publication

06/14/1988

Progress at the INPI

  1. Filing11/09/87
  2. Publication06/14/88
  3. Examination08/28/90
  4. Allowance04/07/98
  5. Grant06/01/99
  6. Expired12/11/12

The letters patent expired on 12/11/2012: 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

Ciba SC Holding Ag

CH

Ciba Specialty Chemicals Holding Inc .- Ciba Spezialitätenchemie Holding Ag - Ciba Spécialités Chimiques Holding SA

CH

See this company's full portfolio

Inventors

D. D. (pessoa física)

CH

D. D. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

4482/86 · 11/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/14/1988

RPI 921

Pedido de patente depositado

#2.1

04/19/1988

RPI 913

Carta-patente expirada

#21.1

Patente extinta em 01/06/2009

12/11/2012

RPI 2188

Concessão da patente

#16.1

06/01/1999

RPI 1482

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding AG

02/17/1999

RPI 1467

Transferência deferida

#25.1

Transferido de: Ciba-Geigy AG

01/26/1999

RPI 1464

Deferimento

#9.1

04/07/1998

RPI 1424

Exigência - art. 36 da LPI

#6.1

02/12/1997

RPI 1367

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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