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Official data from INPI

PROCESSO PARA A PREPARACAO DE COMPOSTOS TRIFLUORMETILPIRIDIL-(OXI/TIO )-FENOXO-PROPANICOS

ConcedidaInvention Patent

Application data

Number

PI7804725

Type

Invention Patent

Filing

07/22/1977

Publication

-

Progress at the INPI

  1. Filing07/22/77
  2. Publication
  3. Examination
  4. Allowance10/29/86
  5. Grant06/30/87
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO

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Inventors

J. H. (pessoa física)

T. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/31/1987

RPI 858

Deferimento

#9.1

10/29/1986

RPI 836

Exigência - art. 36 da LPI

#6.1

04/22/1986

RPI 809

Exigência - art. 36 da LPI

#6.1

11/27/1984

RPI 736

Exigência - art. 36 da LPI

#6.1

12/07/1982

RPI 633

6.2

10/13/1981

RPI 573

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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