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Official data from INPI

COMPOSIÇÃO CORANTE.

ConcedidaInvention Patent

Application data

Number

PI8401848

Type

Invention Patent

Filing

04/18/1984

Publication

11/27/1984

Progress at the INPI

  1. Filing04/18/84
  2. Publication11/27/84
  3. Examination12/23/86
  4. Allowance01/03/89
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. 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 Spezialitätencheime Holding Ag - Ciba Spécialités Chimiques Holding SA

CH

See this company's full portfolio

Inventors

T. D. (pessoa física)

US

T. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

487.343 · 04/21/1983

US

590.234 · 03/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

05/16/1989

RPI 969

Deferimento

#9.1

01/03/1989

RPI 950

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

12/23/1986

RPI 844

Publicação do pedido de patente

#3.1

11/27/1984

RPI 736

Pedido de patente depositado

#2.1

06/26/1984

RPI 714

Carta-patente expirada

#21.1

Patente extinta em 18/04/99

07/08/2008

RPI 1957

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding AG.

05/18/1999

RPI 1480

Transferência deferida

#25.1

Transferido de: Ciba-Geigy AG

03/09/1999

RPI 1470

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