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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE CORANTES REATIVOS E PROCESSO PARA TINGIR OU ESTAMPAR MATERIAIS DE FIBRAS CONTENDO CELULOSE

PublicadaInvention Patent

Application data

Number

PI8901209

Type

Invention Patent

Filing

03/16/1989

Publication

10/31/1989

Progress at the INPI

  1. Filing03/16/89
  2. Publication10/31/89
  3. Examination12/17/91
  4. Allowance07/16/96
  5. Grant05/27/97
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 10/31/1989. 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

999/88 · 03/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/31/1989

RPI 993

Pedido de patente depositado

#2.1

05/02/1989

RPI 967

Carta-patente expirada

#21.1

Patente extinta em 16/03/2009

12/18/2012

RPI 2189

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding AG

01/05/1999

RPI 1461

Transferência deferida

#25.1

Transferido de: Ciba Geigy Ag

11/10/1998

RPI 1453

Concessão da patente

#16.1

05/27/1997

RPI 1382

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/16/1996

RPI 1337

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

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