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Official data from INPI

COMPOSTO E PROCESSO PARA A PREPARACAO DE D-2-AMINO-2,3-DIMETIL-BUTIR AMIDA E/OU ACIDO L-2-AMINO-2,3-DIMETILBUTIRICO

Em AnáliseInvention Patent

Application data

Number

PI8500475

Type

Invention Patent

Filing

02/02/1984

Publication

09/17/1985

Progress at the INPI

  1. Filing02/02/84
  2. Publication09/17/85
  3. Examination09/08/87
  4. Allowance
  5. Grant
  6. In force

Published on 09/17/1985, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 09/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAMICARBON [NL]

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Inventors

B. J. (pessoa física)

P. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/08/1987

RPI 881

Publicação do pedido de patente

#3.1

09/17/1985

RPI 778

Pedido de patente depositado

#2.1

04/23/1985

RPI 757

Retificação

#15.3

06/25/1991

RPI 1073

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