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Official data from INPI

PROCESSO PARA OBTENCAO DE 5-AMINO-4-CLORO-2-FENIL-3(2H)-PIRIDAZINONA( PCA),COMPOSICAO HERBICIDA,E PROCESSO PARA ERRADICACAO SELETIVA DE ERVAS DANINHAS

ConcedidaInvention Patent

Application data

Number

PI7903954

Type

Invention Patent

Filing

06/22/1978

Publication

-

Progress at the INPI

  1. Filing06/22/78
  2. Publication
  3. Examination04/06/82
  4. Allowance05/08/84
  5. Grant11/27/84
  6. Expired04/04/95

The letters patent expired on 04/04/1995: 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: 11/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OXON ITALIA SPA

Inventors

M. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/08/1984

RPI 707

Exigência - art. 36 da LPI

#6.1

10/18/1983

RPI 678

Solicitação de exame técnico

#4.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

04/04/1995

RPI 1270

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