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Official data from INPI

Processo para a preparação de furanil - benzazóis.

ConcedidaInvention Patent

Application data

Number

PI7906368

Type

Invention Patent

Filing

10/03/1979

Publication

-

Progress at the INPI

  1. Filing10/03/79
  2. Publication
  3. Examination07/13/82
  4. Allowance04/09/85
  5. Grant02/25/86
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

See this company's full portfolio

Inventors

G. L. (pessoa física)

L. C. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

10304/78-8 · 10/04/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

9.1.3

07/02/1985

RPI 767

Deferimento

#9.1

04/09/1985

RPI 755

6.5

03/20/1984

RPI 700

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

6.2

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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