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Official data from INPI

COMPOSIÇÃO DE SUBSTÂNCIA ATIVA REVESTIDA E PROCESSO PARA A PREPARAÇÃO DE GRANULADOS

PublicadaInvention Patent

Application data

Number

PI8806945

Type

Invention Patent

Filing

12/28/1988

Publication

08/29/1989

Progress at the INPI

  1. Filing12/28/88
  2. Publication08/29/89
  3. Examination10/22/91
  4. Allowance03/19/96
  5. Grant02/25/97
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 08/29/1989. 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. B. (pessoa física)

CH

D. K. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

5092/87 · 12/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/29/1989

RPI 984

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Carta-patente expirada

#21.1

Patente extinta em 28/12/2003

09/02/2008

RPI 1965

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

08/01/1995

RPI 1287

Solicitação de exame técnico

#4.1

10/22/1991

RPI 1090

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