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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE POLIAZOCORANTES E UTILIZAÇÃO DOS POLIAZOCORANTES

PublicadaInvention Patent

Application data

Number

PI8805857

Type

Invention Patent

Filing

11/09/1988

Publication

08/01/1989

Progress at the INPI

  1. Filing11/09/88
  2. Publication08/01/89
  3. Examination09/10/91
  4. Allowance04/28/98
  5. Grant12/29/98
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

Ciba SC Holding AG

CH

See this company's full portfolio

Inventors

D. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

CH

4377/87 · 11/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/01/1989

RPI 980

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Carta-patente expirada

#21.1

Patente extinta em 29/12/2008

12/18/2012

RPI 2189

Concessão da patente

#16.1

12/29/1998

RPI 1460

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding AG

11/03/1998

RPI 1452

Transferência deferida

#25.1

Transferido de: Ciba-Geigy Ag

09/15/1998

RPI 1447

Deferimento

#9.1

DEFERIDO DE ACORDO COM O ARTIGO 229 DA LEI N°9279 DE 14/05/96

04/28/1998

RPI 1427

Exigência - art. 36 da LPI

#6.1

01/23/1996

RPI 1312

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

09/10/1991

RPI 1084

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