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Official data from INPI

COMPOSIÇÕES DE ESCOAMENTO LIVRE, PROCESSO PARA A PREPARAÇÃO DE PRODUTOS ENDURECIDOS E EMPREGO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102300

Type

Invention Patent

Filing

06/04/1991

Publication

01/14/1992

Progress at the INPI

  1. Filing06/04/91
  2. Publication01/14/92
  3. Examination12/28/93
  4. Allowance03/08/00
  5. Grant08/22/00
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. 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 Spezialitätenchemie Holding AG - Ciba Spécialités Chimiques Holding SA

CH

Vantico AG

CH

See this company's full portfolio

Inventors

D. R. (pessoa física)

CH

D. C. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1878/90 · 06/05/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/06/2011

06/04/2013

RPI 2213

Transferência deferida

#25.1

Transferido de: Ciba Specialty Chemicals Holding Inc. / Ciba Spezialitatenchemie Holding AG / Ciba Specialites Chimiques Holding SA

08/16/2005

RPI 1806

Concessão da patente

#16.1

08/22/2000

RPI 1546

Deferimento

#9.1

03/08/2000

RPI 1522

Exigência - art. 36 da LPI

#6.1

09/14/1999

RPI 1497

Republicação - titular

#25.11

Alterado de: Ciba SC Holding AG@Referência RPI 1446; código (25.4); item (71)

01/05/1999

RPI 1461

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding AG

09/08/1998

RPI 1446

Transferência deferida

#25.1

Transferido de: Ciba-Geigy Ag

07/28/1998

RPI 1440

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Publicação do pedido de patente

#3.1

01/14/1992

RPI 1102

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