COMPOSICIONES Y METODOS PARA CONTROLAR EL CRECIMIENTO DE MICROORGANISMOS EN SISTEMAS ACUOSOS.

    公开(公告)号:MX2009010070A

    公开(公告)日:2009-10-12

    申请号:MX2009010070

    申请日:2008-03-26

    Abstract: Se proporcionan composiciones y métodos para exterminar, prevenir o inhibir el crecimiento de microorganismos en un sistema acuoso u otros sistemas. Las composiciones pueden incluir por lo menos un primer polímero reticulable, por lo menos un segundo polímero reticulable y por lo menos un agente de reticulación, en donde las solubilidades en el agua de cada polímero de reticulación son diferentes, tal como por 10% a 100%. Las composiciones además pueden incluir por lo menos un componente biocida. Las composiciones se pueden formular para liberar lentamente el componente biocida y/o el polímero reticulable, o rápidamente liberar el componente biocida y lentamente liberar el polímero reticulable. Las composiciones se pueden utilizar para controlar algas.

    24.
    发明专利
    未知

    公开(公告)号:ES2190094T3

    公开(公告)日:2003-07-16

    申请号:ES98938006

    申请日:1998-07-27

    Abstract: The 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 sulfamic acid or salt thereof to inhibit bacterial adhesion to the submergible surface. The invention also relates to a method for controlling biofouling of an aqueous system. This method adds an effective amount of at least one sulfamic acid or salt thereof 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 sulfamic acid used in the method of the invention has the formula R1R2NS(O)2(OH). In this formula, R1 and R2 are independently a hydrogen, a C4-C20 alkyl group or a cyclohexyl group. However, R1 and R 2 are not both hydrogen. Alternatively, R1 and R2, together with the N, may also form a 5-8 membered heterocyclic ring having the formula:In the heterocyclic ring, X is O, NH, or CH2. The salt of sulfamic acid can be an acid salt or quaternized sulfamic acid salt. The present invention also relates to a composition containing sulfamic acids or salts thereof useable in the above methods. The compositions comprise at least one sulfamic acid or salt thereof in an amount effective to inhibit bacteria from adhering to submergible or submerged surfaces.

    25.
    发明专利
    未知

    公开(公告)号:AT232685T

    公开(公告)日:2003-03-15

    申请号:AT98938006

    申请日:1998-07-27

    Abstract: The 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 sulfamic acid or salt thereof to inhibit bacterial adhesion to the submergible surface. The invention also relates to a method for controlling biofouling of an aqueous system. This method adds an effective amount of at least one sulfamic acid or salt thereof 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 sulfamic acid used in the method of the invention has the formula R1R2NS(O)2(OH). In this formula, R1 and R2 are independently a hydrogen, a C4-C20 alkyl group or a cyclohexyl group. However, R1 and R 2 are not both hydrogen. Alternatively, R1 and R2, together with the N, may also form a 5-8 membered heterocyclic ring having the formula:In the heterocyclic ring, X is O, NH, or CH2. The salt of sulfamic acid can be an acid salt or quaternized sulfamic acid salt. The present invention also relates to a composition containing sulfamic acids or salts thereof useable in the above methods. The compositions comprise at least one sulfamic acid or salt thereof in an amount effective to inhibit bacteria from adhering to submergible or submerged surfaces.

    Methods and compositions for controlling biofouling using amino methyl phosphonic acids

    公开(公告)号:NZ502620A

    公开(公告)日:2002-09-27

    申请号:NZ50262098

    申请日:1998-07-27

    Abstract: Described is a method to inhibit bacteria from adhering to a submergible metal surface within an aqueous system, comprising the step of contacting the submergible surface with an amino methyl phosphonic acid or a salt thereof. The amino methyl phosphonic acid is a compound of the formula R1R2NCH2P(O)(OH)2, wherein, R1 and R2 are independently a C6-C14 alkyl group or H, but R1 and R2 are not both H, and the salt of an amino methyl phosphonic acid is an acid salt or quaternized acid salt. The method is suitable for submergible surfaces such as a ship hull, a boat hull, a marine structure, a tooth surface or a medical implant surface.

Patent Agency Ranking