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Official data from INPI

Corantes reativos, sua preparação e seu emprego.

ConcedidaInvention Patent

Application data

Number

PI7904258

Type

Invention Patent

Filing

07/05/1979

Publication

-

Progress at the INPI

  1. Filing07/05/79
  2. Publication
  3. Examination11/10/81
  4. Allowance12/26/84
  5. Grant06/25/85
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

S. H. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

7380/78-9 · 07/06/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

Exigência - art. 36 da LPI

#6.1

03/27/1984

RPI 701

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

6.2

05/25/1982

RPI 605

Solicitação de exame técnico

#4.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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