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Official data from INPI

PROCESSO PARA TINGIMENTO DE MATERIAL TÊXTIL CONTENDO CELULOSE

Em AnáliseInvention Patent

Application data

Number

PI8600964

Type

Invention Patent

Filing

03/06/1986

Publication

11/18/1986

Progress at the INPI

  1. Filing03/06/86
  2. Publication11/18/86
  3. Examination11/29/88
  4. Allowance12/04/90
  5. Grant07/30/91
  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.

Talk to a specialist

Latest action published by the INPI: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

H. A. (pessoa física)

CH

R. T. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1024/85 · 03/07/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/29/1988

RPI 945

Publicação do pedido de patente

#3.1

11/18/1986

RPI 839

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Carta-patente expirada

#21.1

Patente extinta em 06/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

03/19/1991

RPI 1059

Deferimento

#9.1

12/04/1990

RPI 1044

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