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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UM POLI(TRIMETILENO ÉTER) GLICOL

ArquivadaInvention PatentPCT · US2010023565

Application data

Number

PI1006003

Type

Invention Patent

Filing

02/09/2010

Publication

04/05/2016

PCT

US2010023565

Progress at the INPI

  1. Filing02/09/10
  2. Publication04/05/16
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/09/2010 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: 08/16/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E.I. DU Pont de Nemours And Company

US

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Inventors

Y. N. (pessoa física)

US

Z. Y. (pessoa física)

US

Technical data

Priority claims

US

12/367,580 · 02/09/2009

Abstract

PROCESSO PARA A PRODUÃÃO DE UM POLI(TRIMETILENO ÃTER)GLICOL.à presente invenção se refere a um processo para a produção de um poli(trimetileno éter)glicol de peso molecular relativamente alto, empregando um sistema de co-catalisador.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

08/16/2016

RPI 2380

Arquivamento - Art. 33 da LPI

#11.1

05/31/2016

RPI 2369

Notificação de entrada na fase nacional - PCT

#1.3

04/05/2016

RPI 2361

Alteração de dados cadastrais

#1.1

12/06/2011

RPI 2135

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