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Official data from INPI

SOLUÇÕES SÓLIDAS DE PIRROLO [3,4-c] - PIRRÓIS E QUINACRIDONAS

PublicadaInvention Patent

Application data

Number

PI8800406

Type

Invention Patent

Filing

02/02/1988

Publication

09/20/1988

Progress at the INPI

  1. Filing02/02/88
  2. Publication09/20/88
  3. Examination01/02/91
  4. Allowance05/26/98
  5. Grant01/26/99
  6. Expired12/11/12

The letters patent expired on 12/11/2012: 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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

Ciba SC Holding AG

CH

Ciba Specialty Chemicals Holding INC. - Ciba Spezialitätenchemie Holding AG - Ciba Spécialités Chimiques Holding SA

CH

See this company's full portfolio

Inventors

D. J. (pessoa física)

US

D. B. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

US

009868 · 02/02/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/20/1988

RPI 935

Pedido de patente depositado

#2.1

05/10/1988

RPI 916

Carta-patente expirada

#21.1

Patente extinta em 26/01/2009

12/11/2012

RPI 2188

Concessão da patente

#16.1

01/26/1999

RPI 1464

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding AG

12/22/1998

RPI 1459

Transferência deferida

#25.1

Transferido de: Ciba Geigy Ag

11/17/1998

RPI 1454

Deferimento

#9.1

05/26/1998

RPI 1431

Exigência - art. 36 da LPI

#6.1

04/02/1996

RPI 1322

Solicitação de exame técnico

#4.1

01/02/1991

RPI 1048

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