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Official data from INPI

PROCESSO DE PREPARAÇÃO DE BENAZEPRIL

ArquivadaInvention PatentPCT · IB2002000764

Application data

Number

PI0208513

Type

Invention Patent

Filing

03/14/2002

Publication

10/26/2004

PCT

IB2002000764

Progress at the INPI

  1. Filing03/14/02
  2. Publication10/26/04
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 03/14/2002 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/26/2006. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ranbaxy Laboratories Limited

IN

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Inventors

R. T. (pessoa física)

IN

S. D. (pessoa física)

IN

S. K. (pessoa física)

IN

Y. K. (pessoa física)

IN

Technical data

Priority claims

IN

374/DEL/2001 · 03/27/2001

Abstract

"PROCESSO DE PREPARAÇÃO DE BENAZEPRIL". A presente invenção se relaciona com um processo aperfeiçoado de preparação do éster trifluormetano sulfônico de etil(R)-2-hidroxi-4-fenil butirato, ora referido como triflate de Fórmula estrutural I e ao uso deste composto como intermediário na preparação do benazepril, que é inibidor de ACE (Enzima Conversora de Angiotensina - Angiotensin Converting Enzyme).

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

12/26/2006

RPI 1877

Arquivamento - Art. 33 da LPI

#11.1

10/10/2006

RPI 1866

Notificação de entrada na fase nacional - PCT

#1.3

10/26/2004

RPI 1764

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