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Official data from INPI

PROCESSO PARA PRODUCAO DE ADIPONITRILA A PARTIR DE ACRILONITRILA

Em AnáliseInvention Patent
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Application data

Number

PI8600759

Type

Invention Patent

Filing

02/26/1985

Publication

11/04/1986
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Progress at the INPI

  1. Filing02/26/85
  2. Publication11/04/86
  3. Examination12/06/88
  4. Allowance
  5. Grant
  6. In force

Published on 11/04/1986, 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: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STANDARD OIL CO OHIO [US]

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Inventors

B. W. (pessoa física)

B. D. (pessoa física)

T. T. (pessoa física)

Technical data

IPC Classification

C07C 120/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/06/1988

RPI 946

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Retificação

#15.3

09/03/1991

RPI 1083

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