Methods to reduce organic impurity levels in polymers and products made therefrom

    公开(公告)号:AU2006294700A1

    公开(公告)日:2007-04-05

    申请号:AU2006294700

    申请日:2006-09-27

    Abstract: Various methods are described for preparing dry water-soluble polymers with reduced organic impurity content by combining water-soluble polymer in water with at least one dry polar solvent to form a mixture that separates into a first layer comprising a majority of the solvent and water and a second layer comprising a majority of the polymer, then separating the layers and drying the second layer to obtain a solid comprising the water-soluble polymer. Further, dry or solid polymer products having reduced organic impurity levels and/or moisture content are also described.

    44.
    发明专利
    未知

    公开(公告)号:PT873277E

    公开(公告)日:2002-09-30

    申请号:PT96933169

    申请日:1996-09-27

    Abstract: The present invention relates to a method to inhibit bacteria from adhering to a submergible surface. The method contacts the submergible surface with an effective amount of at least one amide to inhibit bacterial adhesion to the submergible surface. The present invention also relates to a method for controlling biofouling of an aqueous system. This method adds an effective amount of at least one amide to inhibit bacteria from adhering to a submerged surface within the aqueous system. This method effectively controls biofouling without substantially killing the bacteria. The amide used in the method of the invention has the following formula: The present invention also relates to compositions containing amides and useable in the above methods. The compositions comprise at least one amide in an amount effective to inhibit bacteria from adhering to submergible or submerged surfaces.

    Methods and compositions for controlling biofouling using sulfonamides

    公开(公告)号:AU726271B2

    公开(公告)日:2000-11-02

    申请号:AU7201496

    申请日:1996-09-27

    Abstract: The present invention relates to a method to inhibit bacteria from adhering to a submergible surface. The method contacts the submergible surface with an effective amount of at least one sulfonamide to inhibit bacterial adhesion to the submergible surface. The present invention also relates to a method for controlling biofouling of an aqueous system. This method adds an effective amount of at least one sulfonamide to inhibit bacteria from adhering to a submerged surface within the aqueous system. This method effectively controls biofouling without substantially killing the fouling organisms. The sulfonamide used in the method of the invention has the following formula:The present invention also relates to a composition containing the sulfonamides and useable in the above methods. The compositions comprise at least one sulfonamide in an amount effective to inhibit bacteria from adhering to submergible or submerged surfaces.

    49.
    发明专利
    未知

    公开(公告)号:BR9611328A

    公开(公告)日:1999-05-04

    申请号:BR9611328

    申请日:1996-09-27

    Abstract: The present invention relates to a method to inhibit bacteria from adhering to a submergible surface. The method contacts the submergible surface with an effective amount of at least one sulfonamide to inhibit bacterial adhesion to the submergible surface. The present invention also relates to a method for controlling biofouling of an aqueous system. This method adds an effective amount of at least one sulfonamide to inhibit bacteria from adhering to a submerged surface within the aqueous system. This method effectively controls biofouling without substantially killing the fouling organisms. The sulfonamide used in the method of the invention has the following formula:The present invention also relates to a composition containing the sulfonamides and useable in the above methods. The compositions comprise at least one sulfonamide in an amount effective to inhibit bacteria from adhering to submergible or submerged surfaces.

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