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Official data from INPI

PROCESSO PARA PREPARAR UMA COMPOSICAO HERBICIDA E PROCESSO PARA INIBIR O CRESCIMENTO DE ERVAS DANINHAS

Em AnáliseInvention Patent
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Application data

Number

PI8104023

Type

Invention Patent

Filing

06/26/1980

Publication

03/16/1982
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Progress at the INPI

  1. Filing06/26/80
  2. Publication03/16/82
  3. Examination07/06/82
  4. Refused11/21/89
  5. Grant
  6. In force

The application was refused on 11/21/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KUREHA CHEMICAL IND CO LTD [JP]

Inventors

H. A. (pessoa física)

H. S. (pessoa física)

K. A. (pessoa física)

K. S. (pessoa física)

Technical data

IPC Classification

A01N 37/18

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

130

11/21/1989

RPI 996

Retificação

#15.3

08/16/1988

RPI 930

Petição de recurso

#12.2

07/30/1985

RPI 771

Indeferimento

#9.2

02/20/1985

RPI 748

Solicitação de exame técnico

#4.1

07/06/1982

RPI 611

Publicação do pedido de patente

#3.1

03/16/1982

RPI 595

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