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Official data from INPI

PROCESSO PARA OBTENÇÃO DE CORANTES REATIVOS E UTILIZAÇÃO

PublicadaInvention Patent

Application data

Number

PI8502804

Type

Invention Patent

Filing

06/12/1985

Publication

05/27/1986

Progress at the INPI

  1. Filing06/12/85
  2. Publication05/27/86
  3. Examination12/17/91
  4. Allowance01/24/95
  5. Grant07/25/95
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 05/27/1986. 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. S. (pessoa física)

CH

Technical data

Priority claims

CH

3201/84 · 07/03/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/27/1986

RPI 814

Pedido de patente depositado

#2.1

08/20/1985

RPI 774

Carta-patente expirada

#21.1

Patente extinta em 12/06/2000

07/15/2008

RPI 1958

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding Ag

12/08/1998

RPI 1457

Transferência deferida

#25.1

Transferido de: Ciba Geigy Ag

11/10/1998

RPI 1453

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

06/20/1995

RPI 1281

Deferimento

#9.1

01/24/1995

RPI 1260

Exigência - art. 36 da LPI

#6.1

08/30/1994

RPI 1239

Conhecimento de parecer técnico

#7.1

02/22/1994

RPI 1212

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

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