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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE TRIS (2,4-DI-TERC-BUTILFENIL) FOSFITO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004018

Type

Invention Patent

Filing

08/14/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/14/90
  2. Publication09/03/91
  3. Examination10/26/93
  4. Allowance03/24/98
  5. Grant04/18/00
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. 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 Spezialitatenchemie Holding AG - Ciba Specialités Chimiques Holding SA

CH

See this company's full portfolio

Inventors

D. M. (pessoa física)

DE

D. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

CH

2975/89 · 08/15/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/08/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

04/18/2000

RPI 1528

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding Ag

12/29/1998

RPI 1460

Transferência deferida

#25.1

Transferido de: Ciba-Geigy Ag

12/08/1998

RPI 1457

Deferimento

#9.1

03/24/1998

RPI 1422

Exigência - art. 36 da LPI

#6.1

02/12/1997

RPI 1367

Solicitação de exame técnico

#4.1

10/26/1993

RPI 1195

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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