(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE CORANTES REATIVOS E SUA APLICAÇÃO

PublicadaInvention Patent

Application data

Number

PI8803320

Type

Invention Patent

Filing

07/04/1988

Publication

01/17/1989

Progress at the INPI

  1. Filing07/04/88
  2. Publication01/17/89
  3. Examination02/26/91
  4. Allowance03/19/96
  5. Grant02/04/97
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 01/17/1989. 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. T. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

2542/87 · 07/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/17/1989

RPI 952

Pedido de patente depositado

#2.1

12/06/1988

RPI 946

Carta-patente expirada

#21.1

Patente extinta em 04/07/2003

09/02/2008

RPI 1965

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

02/04/1997

RPI 1366

Notificação para pagamento de retribuição

#13.1

12/10/1996

RPI 1358

Deferimento

#9.1

03/19/1996

RPI 1320

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Exigência - art. 36 da LPI

#6.1

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.