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Official data from INPI

PROCESSO PARA A ESTABILIZAÇÃO FOTOQUÍMICA DE MATERIAL FIBROSO DE POLIAMIDA NÃO TINGIDO E TINGIDO,E COMPOSIÇÃO PARA A ESTABILIZAÇÃO FOTOQUÍMICA DE MATERIAL FIBROSO E MATERIAL FIBROSO DE POLIEAMIDA.

PublicadaInvention Patent

Application data

Number

PI8702227

Type

Invention Patent

Filing

05/04/1987

Publication

02/17/1988

Progress at the INPI

  1. Filing05/04/87
  2. Publication02/17/88
  3. Examination09/11/90
  4. Allowance03/07/95
  5. Grant09/26/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 02/17/1988. 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. R. (pessoa física)

CH

D. B. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1826/86 · 05/05/1986

CH

5057/86 · 12/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/17/1988

RPI 904

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 04/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/26/1995

RPI 1295

Deferimento

#9.1

03/07/1995

RPI 1266

Exigência - art. 36 da LPI

#6.1

11/09/1993

RPI 1197

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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