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Official data from INPI

COMPOSIÇÃO ESTABILIZADORA PARA ELASTÔMEROS, PROCESSO PARA ESTABILIZAR ELASTÔMEROS E APLICAÇÃO.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102075

Type

Invention Patent

Filing

05/21/1991

Publication

12/24/1991

Progress at the INPI

  1. Filing05/21/91
  2. Publication12/24/91
  3. Examination11/16/93
  4. Allowance03/02/99
  5. Grant08/24/99
  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

See this company's full portfolio

Inventors

D. K. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1731/90 · 05/22/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/05/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

08/24/1999

RPI 1494

Deferimento

#9.1

03/02/1999

RPI 1469

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding AG

01/26/1999

RPI 1464

Transferência deferida

#25.1

Transferido de: Ciba-Geigy AG

12/29/1998

RPI 1460

Exigência - art. 36 da LPI

#6.1

08/11/1998

RPI 1442

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

12/24/1991

RPI 1099

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