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Official data from INPI

EMPREGO DE ÁCIDO MONO- , DI- , TRI OU TETRACARBOXÍLICOALIFÁTICO.

DeferidaInvention Patent

Application data

Number

PI8402248

Type

Invention Patent

Filing

05/11/1984

Publication

12/18/1984

Progress at the INPI

  1. Filing05/11/84
  2. Publication12/18/84
  3. Examination01/21/87
  4. Allowance10/03/89
  5. Grant04/24/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 10/03/1989. 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 Spezialitatencheime Holding Ag - Ciba Spécialités Chimiques Holding SA

CH

See this company's full portfolio

Inventors

D. B. (pessoa física)

DE

D. J. (pessoa física)

D. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

GB

8313320 · 05/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/03/1989

RPI 989

Exigência - art. 36 da LPI

#6.1

03/28/1989

RPI 962

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

01/21/1987

RPI 848

Publicação do pedido de patente

#3.1

12/18/1984

RPI 739

Pedido de patente depositado

#2.1

07/24/1984

RPI 718

Carta-patente expirada

#21.1

Patente extinta em 11/05/99

07/08/2008

RPI 1957

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding Ag

11/10/1998

RPI 1453

Transferência deferida

#25.1

Transferido de: Ciba- Geigy Ag

09/22/1998

RPI 1448

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

02/01/1990

RPI 1004

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