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Official data from INPI

PROCESSO PARA ISOLAR OU PURIFICAR BIO-PROPILENO GLICOL

ConcedidaInvention PatentPCT · US2007022815

Application data

Number

PI0711699

Type

Invention Patent

Filing

10/29/2007

Publication

11/29/2011

PCT

US2007022815

Progress at the INPI

  1. Filing10/29/07
  2. Publication11/29/11
  3. Examination
  4. Allowance03/26/19
  5. Grant04/16/19
  6. In force10/29/27

The patent was granted on 04/16/2019 and is in force until 10/29/2027. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:10/29/2027

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Latest action published by the INPI: 04/16/2019. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ARCHER DANIELS MIDLAND COMPANY

US

See this company's full portfolio

Inventors

P. K. (pessoa física)

US

Technical data

Priority claims

US

60/854987 · 10/27/2006

Abstract

PROCESSOS PARA ISOLAR OU PURIFICAR PROPILENO GLICOL, ETILENO GLICOL E PRODUTOS PRODUZIDOS A PARTIR DESTES. Esta invenção se relaciona a um processo para separar etileno glicol ou propileno glicol a partir de misturas contendo o etileno glicol ou o propileno glicol e outros polióis usando compostos polares; assim como composições obtidas a partir deste.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10 (dez) anos contados a partir de 16/04/2019, observadas as condições legais

04/16/2019

RPI 2519

Deferimento

#9.1

03/26/2019

RPI 2516

Exigência - art. 36 da LPI

#6.1

10/30/2018

RPI 2495

Conhecimento de parecer técnico

#7.1

10/18/2016

RPI 2389

Notificação de entrada na fase nacional - PCT

#1.3

11/29/2011

RPI 2134

Alteração de dados cadastrais

#1.1

08/09/2011

RPI 2118

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