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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE 2-CLORO-5-1/ TRIFLUOR-METIL-PIRIDINA OU UMA 2-CLORO-5-PERCLORO-FLUOR-METIL-PIRIDINA

ConcedidaInvention Patent

Application data

Number

PI7907971

Type

Invention Patent

Filing

12/06/1979

Publication

-

Progress at the INPI

  1. Filing12/06/79
  2. Publication
  3. Examination
  4. Allowance11/08/83
  5. Grant04/24/84
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

O. A. (pessoa física)

R. N. (pessoa física)

W. G. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

47583/78 · 12/07/1978

GB

7902196 · 01/22/1979

GB

7939031 · 11/12/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/28/1984

RPI 697

Deferimento

#9.1

11/08/1983

RPI 681

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

6.2

04/06/1982

RPI 598

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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