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Official data from INPI

O-ACILAÇÃO SELETIVA DE NUCLEOSÍDEOS

ArquivadaInvention PatentPCT · EP2006066257

Application data

Number

PI0616385

Type

Invention Patent

Filing

09/12/2006

Publication

06/21/2011

PCT

EP2006066257

Progress at the INPI

  1. Filing09/12/06
  2. Publication06/21/11
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/12/2006 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: 11/01/2011. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F HOFFMANN-LA ROCHE AG

CH

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Inventors

K. S. (pessoa física)

US

Technical data

Priority claims

US

60/719,776 · 09/22/2005

Abstract

O-ACILAÇÃO SELETIVA DE NUCLEOSIDEOS. A presente invenção refere-se a um processo de uma etapa para a O-acilação seletiva dos grupos hidróxi de um nucleosídeo sob condições básicas, utilizando DMAP e um anidrido de ácido carboxílico em mistura heterogênea de solvente aquoso.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

11/01/2011

RPI 2130

Arquivamento - Art. 33 da LPI

#11.1

07/26/2011

RPI 2116

Notificação de entrada na fase nacional - PCT

#1.3

06/21/2011

RPI 2111

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