Abstract: Described are preferred methods and compositions for controlling aquatic weeds that involve the use of an ALS-inhibiting herbicidal agent such as penoxsulam in combination with endothall. Preferred herbicidal combinations allow for enhanced control when treating a body of water to control a target weed population, such as hydrilla.

Abstract: Embodiments of the invention relate to compounds and methods for controlling algal growth, for example, in bodies of water or surfaces exposed to algae. Provided are compounds having algicidal activities and methods of use of these compounds as well as formulations and compositions comprising the compound having algicidal activities.

Abstract: A composition for treating waters, e.g. ballast water or injection water for oil recovery, to kill in-situ aquatic invasive species comprises at least one biocide capable of killing both animal and plant micro-organisms. The at least one biocide preferably comprises Brilliant Green, Gentian Violet, and/or erythrosine, and a wetting agent or detergent-like compound such as CTAB or CTAC. The invention also relates to a system for treating ballast water in situ comprising means for injecting a composition for treating ballast water; means for measuring the flow rate or amount of ballast water to be treated; means for controlling the dosing of the composition; and means for storing or receiving the composition. The invention also relates to a method of detecting viable aquatic organisms in ballast water in situ comprising detecting metabolism in viable micro-organisms in ballast water and, therefore, measuring the efficacy of any treatment.

Abstract: The present invention provides polyphenolic compositions derived from a plant that inhibit the formation of a biofilm. Also provided are combinations that comprise at least one phenolic phytochemical and at least one antimicrobial agent that inhibit the growth of an established biofilm. Further, the present invention provides methods for inhibiting the formation and growth of biofilms.

Abstract: Microbicidal compositions including (a) cyanodithiocarbimate and (b) an N-alkyl heterocyclic compound; a triazole compound or salt thereof or metal complex thereof; a microbicide with an activated halogen atom or a formaldehyde releasing compound; 1,4-bis(bromoacetoxy)-2-butene; 2-(thiocyanomethylthio)benzothiazole; a methylene-bis(thiocyanate); a halogenated acetophenone; a halopropynl compound; an iodosulfone; a phenol; a halocyanoacetamide compound and/or a quaternary ammonium compound are described. Components (a) and (b) can be present in a synergistically effective amount to control the growth of at least one microorganism. Methods for controlling the growth of microorganisms with the compositions are also disclosed.

Abstract: The present invention provides compositions and methods for controlling the growth of algae, especially nuisance algae, in recirculating water systems. The water systems encompass industrial and recreational applications. The compounds for use in the compositions and methods of the invention possess anti-algal activity and are selected from a herbicide and an agricultural fungicide or a combination thereof.

Abstract: The invention concerns novel carbanilides of formula (I), in which A, Q, R, X, Z and m have the meanings given in the description. The invention further concerns a plurality of processes for preparing these substances, in their use as microbiocides for controlling undesirable microorganisms both in crop protection and in the protection of materials. Additionally, they are suitable for controlling animal pests.

Abstract: A formulation comprising lactoperoxidase, thiocyanate and/or iodide and a hydrogen peroxide donor system, in particular glucose oxidase and glucose, is useful for controlling plant-pathogenic microorganisms such as fungi and bacteria. Preferably the formulation also contains an oil.

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.

Abstract: The present invention provides compositions and methods for controlling the growth of algae, especially nuisance algae, in recirculating water systems. The water systems encompass industrial and recreational applications. The compounds for use in the compositions and methods of the invention possess anti-algal activity and are selected from a herbicide and an agricultural fungicide or a combination thereof.

Abstract: A method of improving the rate of dissolution in water of low solubility compounds by combining a low solubility compound with a rheology additive that is made of platelets or particles which orient together with ionic or hydrogen bonds. The inventive method also may improve the hydrolytic stability of hydraulically unstable low solubility compounds.

Abstract: A method and composition for protection against fouling of objects which come into contact with sea water or brackish water comprising a benzothiophene-2-carbomide S,S-dioxide as the essential component are described.

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 thiourea 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 thiourea to inhibit bacteria from adhering to a submerged surface within the aqueous system. This method effectively controls biofouling without substantially killing the bactaria. The thiourea used in the method of the invention has the following formula a compound of the formula: The present invention also relates to compositions containing thiourea compounds and useable in the above methods. The compositions comprise at least one thiourea in an amount effective to inhibit bacteria from adhering to submergible or submerged surfaces.

Abstract: Disclosed is a method of inhibiting the growth of marine organisms on a marine structure, by applying onto or into the marine structure a halopropargyl quaternary ammonium compound, halopropargyl benzoxazolone compound, or halopropargylhydantoin compound. These compounds may be directly incorporated into the marine structure during manufacture, directly applied to the structure, or applied to the structure by means of a coating.

Abstract: A method for controlling algae and marine fouling organisms is described. The method employs N-acetonylbenzamides compounds provided in an effective amount to kill or inhibit the growth of the algae or fouling organisms.

Abstract: N-sulfonyliminodithio compounds have the formula (I), in which R.sup.1 and R.sup.2 stand for optionally substituted alkyl, alkenyl or alkinyl, and Ar stands for optionally substituted aryl; also disclosed are processes for preparing these compounds and their use for plant and material protection.

Abstract: A composition which is capable of releasing acrolein and is easy to handle contains (i) an acetal of acrolein with a C.sub.1-6 alcohol with 1 to 4 hydroxyl groups and (ii) an acid soluble therein and chemically compatible with a pK.sub.s value of less than 4 and (iii) is anhydrous. A preferred composition contains 2-vinyl-1,3-dioxolane as acetal, anhydrous oxalic acid, fumaric acid or maleic acid or a mixture of mono- and di(C.sub.1 - to C.sub.3 -)alkyl phosphate as acid and, in addition, a non-ionic surfactant. The acrolein is released at the site of use upon contact with for example water for the purpose of combatting microbial, vegetable and animal pests.

Abstract: Disclosed is the use of compositions employing a 4,5-dicyano-1,3-dithiole-2-one (or thione) compound corresponding to the formula: ##STR1## wherein Z is oxygen or sulfur as the active antimicrobial and marine antifouling agent.

Abstract: The direct handling of acrolein for the purpose of combatting microbial, vegetable and animal pests in water and soil is problematic on account of the potential for danger of acrolein. According to the invention a composition which releases acrolein upon contact with water at the site of use and is easy to handle is used.The composition in accordance with the invention contains an acrolein acetal, preferably 2-vinyl-1,3-dioxolane, and a compound hydrolyzable to an acid with a pK.sub.s value of less than 4, especially one from the series of organic acid anhydrides, organic acid halides and inorganic halogen compounds forming hydrogen halide upon hydrolysis.

Abstract: Pesticidal compositions for application to chlorophyl-containing algae or plants containing endothall or a salt thereof and at least one ethoxylated amine of formula I ##STR1## in which R.sub.1 is an alkyl group having 8 to 22 carbon atoms, and is saturated or unsaturated; and the poly(oxyethylene) content (x+y) is greater than 3 but less than or equal to 15. Also disclosed are methods of increasing the effectiveness of endothall or a salt thereof which comprises adding to the endothall or salt thereof an amount of an ethoxylated amine of formula I effective to increase the pesticidal activity of the endothall or salt thereof.

Abstract: Synergistic microbicidal compositions are disclosed, comprising 4,5-dichloro-2-cyclohexyl-3-isothiazolone and one or more known microbicides for more effective, and broader control of microorganisms in various systems.

Abstract: Synergistic microbicidal compositions are disclosed, comprising 4,5-dichloro-2-cyclohexyl-3-isothiazolone and one or more known microbicides for more effective, and broader control of microorganisms in various systems.

Abstract: Compounds of the formula ##STR1## wherein A is selected from the group consisting of (1) phenyl, (2) naphthyl, (3) phenyl substituted with one or more halo, cyano, (C.sub.1 -C.sub.4)alkyl, nitro, (C.sub.1 -C.sub.4)haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl, (4) naphthyl substituted with one or more halo, cyano, (C.sub.1 -C.sub.4) alkyl, nitro, (C.sub.1 -C.sub.4)haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl, (5) thiophene, (6) furan, (7) thiophene substituted with one or more substituents selected from halo and nitro, and (8) furan substituted with one or more substituents selected from halo and nitro;R is selected from the group consisting of hydrogen, (C.sub.1 -C.sub.4)alkyl and substituted or unsubstituted phenyl wherein the substituents are selected from one or more halo, cyano, (C.sub.1 -C.sub.4)alkyl, nitro, (C.sub.1 -C.sub.4) haloalkyl, and (C.sub.1 -C.sub.4)thioalkyl andR.sup.1 is selected from the group consisting of (C.sub.1 -C.sub.