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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE RESINAS EPÓXIDO.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001627

Type

Invention Patent

Filing

04/06/1990

Publication

05/07/1991

Progress at the INPI

  1. Filing04/06/90
  2. Publication05/07/91
  3. Examination06/22/93
  4. Allowance10/07/97
  5. Grant12/29/98
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. 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

A. W. (pessoa física)

CH

D. H. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1318/89 · 04/07/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/04/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

12/29/1998

RPI 1460

Alteração de nome deferida

#25.4

Alterado de: Ciba SC holding AG

11/10/1998

RPI 1453

Transferência deferida

#25.1

Transferido de: Ciba-Geigy Ag

09/08/1998

RPI 1446

Deferimento

#9.1

10/07/1997

RPI 1401

Exigência - art. 36 da LPI

#6.1

11/12/1996

RPI 1354

Solicitação de exame técnico

#4.1

06/22/1993

RPI 1177

Publicação do pedido de patente

#3.1

05/07/1991

RPI 1066

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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