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Official data from INPI

PROCESSO PARA A PURIFICAÇÃO DE E-CAPROLACTAMA

ArquivadaInvention PatentPCT · EP1997003098

Application data

Number

PI9709708

Type

Invention Patent

Filing

06/13/1997

Publication

08/10/1999

PCT

EP1997003098

Progress at the INPI

  1. Filing06/13/97
  2. Publication08/10/99
  3. Examination
  4. Allowance10/25/05
  5. Abandoned
  6. In force

The application was allowed on 10/25/2005 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 05/30/2006. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

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Inventors

E. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

196 23 662.2 · 06/13/1996

Abstract

"PROCESSO PARA A PURIFICAÇÃO DE <>-CAPROLACTAMA". A invenção refere-se a um processo de purificação de <>-caprolactama por reação de caprolactama bruta com um hidreto complexo de boro ou alumínio.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

05/30/2006

RPI 1847

Deferimento

#9.1

10/25/2005

RPI 1816

Notificação de entrada na fase nacional - PCT

#1.3

08/10/1999

RPI 1492

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