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Official data from INPI

MÉTODO DE PREPARAÇÃO DE UM COMPOSTO DE FÓRMULA (IV)

Em AnáliseInvention PatentPCT · IB2009007760 Official document available
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Application data

Number

PI0918127

Type

Invention Patent

Filing

12/15/2009

Publication

11/24/2015

PCT

IB2009007760

Patent grant document available

We have the complete official document for this filing, as published by INPI.

Access the document
View on INPI

Progress at the INPI

  1. Filing12/15/09
  2. Publication11/24/15
  3. Examination
  4. Allowance12/26/17
  5. Grant02/14/18
  6. In force12/15/29

The patent was granted on 02/14/2018 and is in force until 12/15/2029. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:12/15/2029

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Latest action published by the INPI: 12/13/2022. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RHODIA BRASIL S.A.

SP, BR

RHODIA POLIAMIDA E ESPECIALIDADES LTDA.

SP, BR

RHODIA POLIAMIDA E ESPECIALIDADES S.A.

SP, BR

See this company's full portfolio

Inventors

D. Z. (pessoa física)

BR

P. M. (pessoa física)

FR

Technical data

IPC Classification

C07C 29/141C07C 29/145C07C 31/20

Priority claims

FR

08 58651 · 12/16/2008

Abstract

MÃTODO DE PREPARAÃÃO DE UM COMPOSTO DE FÃRMULA (IV). A presente invenção trata de um método catalítico para a produção em escala industrial de um composto do tipo diol, tal como o 2-metilpentano-2-4 diol, também chamado 2,4-hexileno glicol ou HGL, a partir de um composto í3-hidroxicarbonilado, em particular diacetona-álcool ou DAA.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Transferência deferida

#25.1

12/13/2022

RPI 2710

Alteração de nome deferida

#25.4

11/22/2022

RPI 2707

Concessão da patente

#16.1

02/14/2018

RPI 2458

Deferimento

#9.1

12/26/2017

RPI 2451

Exigência - art. 36 da LPI

#6.1

08/15/2017

RPI 2432

Notificação de entrada na fase nacional - PCT

#1.3

11/24/2015

RPI 2342

Alteração de dados cadastrais

#1.1

09/06/2011

RPI 2122

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