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Official data from INPI

PROCESSO PARA PURIFICAR HERBICIDAS DE DINITROANILINA

PublicadaInvention Patent

Application data

Number

PI8703609

Type

Invention Patent

Filing

06/24/1987

Publication

03/22/1988

Progress at the INPI

  1. Filing06/24/87
  2. Publication03/22/88
  3. Examination10/30/90
  4. Allowance10/01/96
  5. Grant08/25/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 03/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Agan Chemical Manufacturers Ltd

IL

Inventors

E. D. (pessoa física)

IL

M. P. (pessoa física)

IL

Technical data

IPC Classification

Priority claims

IL

79248 · 06/26/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/22/1988

RPI 909

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 25/08/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

08/25/1998

RPI 1444

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

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