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Official data from INPI

Processo para a produção de 2,3,5-tricloropiridina.

ConcedidaInvention Patent

Application data

Number

PI8102920

Type

Invention Patent

Filing

05/11/1981

Publication

02/02/1982

Progress at the INPI

  1. Filing05/11/81
  2. Publication02/02/82
  3. Examination03/27/84
  4. Allowance08/13/85
  5. Grant03/25/86
  6. Terminated08/07/90

The patent was granted on 03/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

F. H. (pessoa física)

G. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

148.849 · 05/12/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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