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Official data from INPI

PURIFICAÇÃO DE ÉTER DE BUTILA TERCIÁRIA DE METILA

ArquivadaInvention PatentPCT · US2003033329

Application data

Number

PI0316420

Type

Invention Patent

Filing

09/09/2003

Publication

10/11/2005

PCT

US2003033329

Progress at the INPI

  1. Filing09/09/03
  2. Publication10/11/05
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/09/2003 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: 12/11/2007. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arco Chemical Technology, L.P.

US

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Inventors

A. K. (pessoa física)

US

L. K. (pessoa física)

US

L. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

10/301,441 · 11/21/2002

Abstract

"PURIFICAÇÃO DE ÉTER DE BUTILA TERCIÁRIA DE METILA". A presente invenção refere-se à purificação de uma corrente de processo de MTBE por contato na fase líquida com um zeólito de poro grande, tal como 13X ou Zeólito Y.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

12/11/2007

RPI 1927

Arquivamento - Art. 33 da LPI

#11.1

08/14/2007

RPI 1910

Notificação de entrada na fase nacional - PCT

#1.3

10/11/2005

RPI 1814

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