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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE COMPOSTOS, APLICAÇÃO DE CORANTES E PROCESSO PARA TINGIR TECIDOS

Prazo de SigiloInvention Patent

Application data

Number

PI8902191

Type

Invention Patent

Filing

05/10/1989

Publication

01/02/1990

Progress at the INPI

  1. Filing05/10/89
  2. Publication01/02/90
  3. Examination02/04/92
  4. Allowance03/19/96
  5. Grant02/25/97
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

See this company's full portfolio

Inventors

D. S. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1786/88 · 05/11/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Carta-patente expirada

#21.1

Patente extinta em 10/05/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

02/25/1997

RPI 1369

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

02/14/1995

RPI 1263

Solicitação de exame técnico

#4.1

02/04/1992

RPI 1105

Publicação do pedido de patente

#3.1

01/02/1990

RPI 1000

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