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Official data from INPI

PROCESSO PARA PRODUCAO DE UM DERIVADO DE ACIDO FENOXICARBOXILICO

ConcedidaInvention Patent

Application data

Number

PI7907070

Type

Invention Patent

Filing

11/01/1978

Publication

-

Progress at the INPI

  1. Filing11/01/78
  2. Publication
  3. Examination
  4. Allowance10/27/87
  5. Grant05/31/88
  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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IHARA CHEMICAL IND CO

Inventors

K. W. (pessoa física)

S. T. (pessoa física)

Y. C. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

6.2

04/06/1982

RPI 598

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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