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    GENERATION OF PEROXYHYDROXYCARBOXYLIC ACID AND THE USE THEREOF
    101.
    发明申请
    GENERATION OF PEROXYHYDROXYCARBOXYLIC ACID AND THE USE THEREOF 有权

    公开(公告)号：US20210238135A1

    公开(公告)日：2021-08-05

    申请号：US17248562

    申请日：2021-01-29

    Applicant: ECOLAB USA INC.

    Inventor： Junzhong Li ,  Allison Prideaux ,  Richard Staub

    IPC: C07C407/00 ,  A01N37/16 ,  C12P7/42

    Abstract: Peroxyhydroxycarboxylic acid forming compositions and methods for forming peroxyhydroxycarboxylic acids, preferably in situ, using the peroxyhydroxycarboxylic acid forming compositions are disclosed. Methods of using the peroxyhydroxycarboxylic acids, including for treating a surface or a target in need of antimicrobial or sanitizing treatment are also disclosed. Particular applications of using odor-free, low volatility peroxyhydroxycarboxylic acid sanitizers for direct food contact are disclosed.

    Methods for forming peroxyformic acid and uses thereof
    108.
    发明授权
    Methods for forming peroxyformic acid and uses thereof 有权

    公开(公告)号：US10233149B2

    公开(公告)日：2019-03-19

    申请号：US15730502

    申请日：2017-10-11

    Applicant: ECOLAB USA INC.

    Inventor： Ramakrishnan Balasubramanian ,  Junzhong Li ,  Richard Staub ,  Victor Keasler ,  Brian Bennett ,  Allison Brewster

    IPC: A01N37/16 ,  A23L3/3463 ,  A23L3/3508 ,  C07C407/00 ,  C07C409/24

    Abstract: The present invention relates generally to methods for forming peroxyformic acid, comprising contacting formic acid with hydrogen peroxide. The methods for forming peroxyformic acid can include adding formic acid with a relatively lower concentration of hydrogen peroxide, or adding formic acid to a peroxycarboxylic acid composition or forming composition to react with hydrogen peroxide in the compositions. The present invention also relates to peroxyformic acid formed by the above methods. The present invention further relates to the uses of peroxyformic acid for treating a variety of targets, e.g., target water, including target water used in connection with oil- and gas-field operations. The present invention further relates to methods for reducing or removing H2S or iron sulfide in the treated water source, improving clarity of the treated water source, or reducing the total dissolved oxygen or corrosion in the treated water source, using peroxyformic acid, including peroxyformic acid generated in situ.

    Defoamer useful in a peracid composition with anionic surfactants
    109.
    发明授权
    Defoamer useful in a peracid composition with anionic surfactants 有权

    公开(公告)号：US10165774B2

    公开(公告)日：2019-01-01

    申请号：US13785047

    申请日：2013-03-05

    Applicant: ECOLAB USA INC.

    Inventor： Junzhong Li ,  Richard Staub ,  David D. McSherry

    IPC: A01N59/06 ,  A01N37/16 ,  A01N59/00

    Abstract: Low foaming, highly acidic peroxycarboxylic acid sanitizing compositions are disclosed as having both improved antimicrobial efficacy in comparison to conventional peroxyoctanoic acid and peroxyacetic acid compositions for sanitizing applications. The compositions include a combination of a low-foaming surfactant and an aluminum sulfate (or other metal salt) defoaming agent that is compatible with the highly acidic peroxycarboxylic acid sanitizing compositions. In particular, the sanitizing peroxycarboxylic acid compositions are also low odor and low/no VOC dual functioning acid wash and sanitizing compositions.

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