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Official data from INPI

COMPOSIÇÃO HERBICIDA E PROCESSO PARA CONTROLAR ERVAS DANINHAS

Prazo de SigiloInvention Patent

Application data

Number

PI8903354

Type

Invention Patent

Filing

07/07/1989

Publication

02/13/1990

Progress at the INPI

  1. Filing07/07/89
  2. Publication02/13/90
  3. Examination03/24/92
  4. Allowance10/01/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sumitomo Chemical Company, Limited

JP

See this company's full portfolio

Inventors

H. S. (pessoa física)

JP

R. Y. (pessoa física)

JP

Y. M. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

171346/1988 · 07/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

09/19/1989

RPI 987

Carta-patente expirada

#21.1

Patente extinta em 07/07/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Deferimento

#9.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

06/06/1995

RPI 1279

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Publicação do pedido de patente

#3.1

02/13/1990

RPI 1006

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