Breaking News

Production Method for Highly Pure Hydroquinone

February 4, 2013

US Patent No. 8,247,620 B2; Rhodia has been awarded a US patent covering a process for the preparation of hydroquinone starting from a crude hydroquinone HQ0.

It is comprised of a refining stage that entails cooling the crude hydroquinone in a liquid form, comprising at least resorcin and pyrogallol as impurities, to effect crystallization of the pure hydroquinone; separating the pure hydroquinone crystals from the mother liquors; reheating and partially melting the separated crystals; completely melting the purified hydroquinone; and recovering the purified hydroquinone.
  • Skin of Color Society Connects Experts

    Skin of Color Society Connects Experts

    Melissa Meisel, Associate Editor||January 16, 2017
    Dermatologists from across the nation share information and ideas.

  • Erasa

    Erasa's New Evangelist(a)

    January 9, 2017
    Impressed by the performance of its hero SKU, supermodel Linda Evangelista joins the company in a hand's on role.

  • Discourse on Disclosure

    Discourse on Disclosure

    Tom Branna, Editorial Director||January 6, 2017
    Transparency impacts the cleaning industry.

  • Hitting the Right Notes

    Hitting the Right Notes

    January 6, 2017
    Agilex Fragrances is the leader in the middle market fragrance category.

  • The Smell of Clean in 2017

    The Smell of Clean in 2017

    January 6, 2017
    Changing consumer lifestyles and demographics are impacting the scents found in the household cleaning category.

  • On the Edge

    On the Edge

    January 6, 2017
    Expanding beauty brands to watch in 2017