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Official data from INPI

PROCESSOS PARA A PREPARAÇÃO DE PIRANOS SUBSTITUÍDOS

ArquivadaInvention Patent

Application data

Number

PI0103900

Type

Invention Patent

Filing

09/05/2001

Publication

05/21/2002

Progress at the INPI

  1. Filing09/05/01
  2. Publication05/21/02
  3. Abandoned
  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.

Talk to a specialist

Latest action published by the INPI: 05/03/2011. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DSM IP Assets B.V.

NL

Roche Vitamins AG

CH

See this company's full portfolio

Inventors

F. C. (pessoa física)

CH

W. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

EP

00 119257.4 · 09/06/2000

Abstract

"PROCESSOS PARA A PREPARAÇÃO DE PIRANOS SUBSTITUÍDOS". Piranos substituídos tal como 2-etinil-tetraidro-2,6,6-trimetilpirano são preparados a partir de deidrolinalool ou homólogos superiores do mesmo através de aquecimento ou tratamento com microondas na presença de um ácido sólido.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/03/2011

RPI 2104

Exigência - art. 36 da LPI

#6.1

11/16/2010

RPI 2080

Transferência deferida

#25.1

Transferido de: Roche Vitamins AG

08/16/2005

RPI 1806

Publicação do pedido de patente

#3.1

05/21/2002

RPI 1637

Pedido de patente depositado

#2.1

01/02/2002

RPI 1617

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