Patent application number | Description | Published |
20080274929 | METHOD FOR REMOVING MICROBES FROM SURFACES - A method has been found for the removal of microbial biofilm on surfaces in contact with systems, including but not limited to aqueous systems, which comprises adding to the aqueous system an effective amount of a polyethyleneimine surfactant to substantially remove microbial biofilm, from surfaces in aquatic systems, while presenting minimal danger to non-target aquatic organisms at discharge due to their very low discharge concentrations. | 11-06-2008 |
20100112630 | METHODS FOR MEASURING MICROBIOLOGICAL CONTENT IN AQUEOUS MEDIA - A process for measuring total microbiological content in an aqueous medium includes adding a fluorescent dye to the aqueous medium, measuring the fluorescent signal in the aqueous medium to obtain a baseline fluorescent signal, releasing intracellular content of the microbiological matter into the aqueous medium by lysing the microbiological matter, measuring the fluorescent signal in the aqueous medium with the released intracellular content of the microbiological matter to obtain a second fluorescent signal, subtracting the baseline signal from the second fluorescent signal to obtain a net fluorescent signal and equating the net fluorescent signal with a microbiological content. Methods for measuring biofilm and adjusting for background noise are also provided. | 05-06-2010 |
20100158852 | METHOD FOR REDUCTION OF MICROBES ON SURFACES - A method has been found for the removal of microbial biofilm on surfaces in contact with systems, including but not limited to aqueous systems, which comprises adding to the aqueous system an effective amount of a polyalkyleneoxide polysiloxane surfactant to substantially remove microbial biofilm, from surfaces in aquatic systems, while presenting minimal danger to non-target aquatic organisms at discharge due to their very low discharge concentrations. | 06-24-2010 |
20100266525 | METHOD FOR REMOVING MICROBES FROM SURFACES - A method has been found for the removal of microbial biofilm on surfaces in contact with systems, including but not limited to aqueous systems, which comprises adding to the aqueous system an effective amount of a carbosilane-based surfactant to substantially remove microbial biofilm, from surfaces in aquatic systems, while presenting minimal danger to non-target aquatic organisms at discharge due to their very low discharge concentrations. | 10-21-2010 |
20110052655 | METHODS AND VESICLES FOR CONTROLLING PROTOZOA - A method for controlling protozoa trophozoites and cysts wherein one or more biocides or non-biocidal agents are encapsulated within a micro-capsule or nano-capsule and then introduced into an aqueous system. The micro-capsule or nano-capsule has an exterior composition adapted for digestion by the protozoa. A vesicle for controlling protozoa trophozoites and cysts is also provided. | 03-03-2011 |
20110052656 | METHOD FOR CONTROLLING MICROBIAL BIOFILM IN AQUEOUS SYSTEMS - A process has been found which increases the efficiency and effectiveness of introducing antimicrobial compounds into complex biofilm matrices through the use of liposome carriers, thereby removing the biofouling in industrial water bearing systems, including piping, heat exchanges, condensers, filtration systems and fluid storage tanks. According to one embodiment of the invention, antimicrobial compound containing liposomes are added to water systems prone to biofouling and biofilm formation. The liposomes, being similar in composition to microbial membranes or cells, are readily incorporated into the existing biofilm. Once the antimicrobial compound containing liposomes become entrained with the biofilm matrix, the decomposition or programmed disintegration of the liposome proceeds. Thereafter, the biocidal aqueous core is released to react directly with the biofilm encased microorganisms. Upon the death of the organisms, the polysaccharide/protein matrix decomposes and thereby results in reduced fouling of the water bearing system, resulting in increased heat transfer, increased flux, less deposit of colloidal and particulate solids and dissolved organics on the surface of the microfiltration membrane, thereby reducing the frequency and duration of the membrane cleaning and ultimate replacement. | 03-03-2011 |
20130266669 | METHODS OF REMOVING MICROBES FROM SURFACES - A method has been found for the inhibition of microbial biofilm on surfaces in contact with systems, such as aqueous systems. In accordance with the method, an effective amount of a modified tannin biofilm control agent is fed to the system water. The modified tannin biofilm control agent comprises a reaction product of an amine, an aldehyde and tannin and provides a good environmental profile. | 10-10-2013 |
20150079158 | METHOD TO STABILIZE LIPOSOME EMULSIONS FOR BIOCIDAL DELIVERY - An improved stabilized biocidal delivery system has been found which increases the efficiency and effectiveness of introducing antimicrobial compounds into complex bio-film matrices through the use of liposome emulsion in an ethoxylated compound, thereby removing the bio-fouling in industrial water bearing systems, including piping, heat exchangers, condensers, filtration systems and fluid storage tanks. The liposome emulsion is comprised of a vesicle encapsulated biocide that is stabilized against chemical and heat degradation over longer periods of time than previously possible through the incorporation of one or more stabilizer compounds. | 03-19-2015 |