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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE CORANTES ANTRAQUINÓIDES E PROCESSO PARA A PREPARAÇÃO DE MISTURAS DE CORANTES ANTRAQUINÓIDES

Em AnáliseInvention Patent
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Application data

Number

PI8603469

Type

Invention Patent

Filing

07/23/1986

Publication

03/04/1987
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Progress at the INPI

  1. Filing07/23/86
  2. Publication03/04/87
  3. Examination05/09/89
  4. Allowance04/18/95
  5. Grant11/28/95
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

A. N. (pessoa física)

CH

D. H. (pessoa física)

CH

Technical data

IPC Classification

C09B 1/48C09B 67/22

Priority claims

CH

3223/85 · 07/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

Publicação do pedido de patente

#3.1

03/04/1987

RPI 854

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Carta-patente expirada

#21.1

Patente extinta em 23/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/28/1995

RPI 1304

Notificação para pagamento de retribuição

#13.1

09/12/1995

RPI 1293

Deferimento

#9.1

04/18/1995

RPI 1272

Exigência - art. 36 da LPI

#6.1

07/19/1994

RPI 1233

Exigência - art. 36 da LPI

#6.1

07/13/1993

RPI 1180

6.2

01/02/1990

RPI 1000

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