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Douglas S. Hubbell

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  • Sudbury, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aromatics alkylation process
    • Patent number 10,280,128
    • Issue date May 7, 2019
    • Badger Licensing LLC
    • Brian Maerz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Condensation reduction in fluid mixing
    • Patent number 7,402,290
    • Issue date Jul 22, 2008
    • Stone & Webster Process Technology Inc.
    • Douglas S. Hubbell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Production of high purity meta-xylene
    • Patent number 6,376,736
    • Issue date Apr 23, 2002
    • Washington Group International, Inc.
    • Philippe W. M. Rutten
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Crystallization process for purification of paraxylene
    • Patent number 5,811,629
    • Issue date Sep 22, 1998
    • Raytheon Engineers & Constructors, Inc.
    • Douglas S. Hubbell
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    SYSTEMS AND METHODS FOR ENHANCING THE RECOVERY OF STYRENE
    • Publication number 20240026231
    • Publication date Jan 25, 2024
    • T.EN PROCESS TECHNOLOGY, INC.
    • Douglas S. Hubbell
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    AROMATICS ALKYLATION PROCESS
    • Publication number 20150197466
    • Publication date Jul 16, 2015
    • BADGER LICENSING LLC
    • Brian Maerz
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Condensation reduction in fluid maxing
    • Publication number 20050249649
    • Publication date Nov 10, 2005
    • Douglas S. Hubbell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL