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Official data from INPI

PROCESSO PARA RECUPERACAO DE CAPROLACTAMA DE UM RESIDUO RESTANTE DA DESTILACAO,A PRESSAO REDUZIDA,DE CAPROLACTAMA IMPURA E CAPROLACTAMA ASSIM OBTIDA

Em AnáliseInvention Patent
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Application data

Number

PI8404332

Type

Invention Patent

Filing

08/31/1983

Publication

07/30/1985
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Progress at the INPI

  1. Filing08/31/83
  2. Publication07/30/85
  3. Abandoned08/18/87
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/18/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAMICARBON [NL]

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Inventors

F. (pessoa física)

H. N. (pessoa física)

J. M. (pessoa física)

P. G. (pessoa física)

Technical data

IPC Classification

C07D 223/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/18/1987

RPI 878

Publicação do pedido de patente

#3.1

07/30/1985

RPI 771

Pedido de patente depositado

#2.1

11/06/1984

RPI 733

Arquivamento - Art. 36 §1° da LPI

#11.2

11/13/1990

RPI 1041

Exigência - art. 36 da LPI

#6.1

04/10/1990

RPI 1013

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