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Official data from INPI

COMPOSIÇÃO HERBICIDA, PROCESSO PARA CONTROLAR OU EXTERMINAR ERVAS DANINHAS, E APLICAÇÃO DE UM DERIVADO DE PIRIDAZINO-QUINAZOLINONA SUBSTITUÍDO.

Em AnáliseInvention Patent

Application data

Number

PI7906660

Type

Invention Patent

Filing

10/16/1979

Publication

-

Progress at the INPI

Technical opinion to answer
  1. Filing10/16/79
  2. Publication
  3. Examination07/13/82
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 04/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sumitomo Chemical Company, Limited.

JP

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

04/22/1987

RPI 861

Conhecimento de parecer técnico

#7.1

08/30/1983

RPI 671

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

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