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| Number | Title | Issue Date |
| 5876990 | Biochemical media system for reducing pollution A first media provides an oxygen inducer such as catalase, bound and stabilized in pellet form so as to dissipate slowly into aqueous surroundings. A second media provides an oxygen supplier such as a peroxide, stabilized by combination with a proteinaceo... | 03/02/1999 |
| 5874291 | Degradation of environmental toxins by a filamentous bacterium This invention pertains to substantially purified cultures of a gram-negative, aerobic, filamentous bacterium with cells ranging in length from 20-200 μm, that accumulates intracellular poly-ଲ-hydroxybutyrate in intracellular granules, and that deg... | 02/23/1999 |
| 5874294 | Biodesulfurization of fuels A simple and effective biochemical process solves the problems associated with sulfur in bitumen by removing sulfur from active participation in SOx -producing combustion reactions. In one aspect, an emulsion of bitumen and water is contacted w... | 02/23/1999 |
| 5874292 | System and method for vent hood cleaning and comprehensive bioremediation of kitchen grease A commercial and institutional kitchen retrofit system for 1. the automatic daily cleaning of commercial kitchen exhaust hoods and flues, 2. a low pressure, low volume, recirculating cleaning system designed for the removal of oily residue from hard surfa... | 02/23/1999 |
| 5874263 | Method and apparatus for producing organic acids A continuous process and apparatus for preparing organic acids and their salts from biomass. Biomass flows from a region of fresh biomass and high acid and acid salt concentration to a region of digested biomass and low acid and acid salt concentration in... | 02/23/1999 |
| 5871730 | Thermostable xylanase DNA, protein and methods of use The present invention is for a method of chemically treating plant biomass with an enzyme system that retains function at low pH and high temperature. Enzyme preparations enriched in xylanase enzymes which retain activity in low pH and high temperature ar... | 02/16/1999 |
| 5871616 | Dehalogenation of organohalogen-containing compounds Enzymatic dehalogenation of undesirable nitrogen-free organohalogen compounds is carried out by adding a dehalogenase to an aqueous composition comprising a nitrogen-free organohalogen compound and a nitrogen-containing cationic polymer. The enzymatic deh... | 02/16/1999 |
| 5869323 | Arrangement for air purification; and method A method and arrangement for conducting air filtration by biofilter operation is provided. The arrangement generally includes at least one bioreactor bed, through which air to be purified is passed. Preferably the arrangement is configured so that air flo... | 02/09/1999 |
| 5866002 | Apparatus for activation of a digesting agent and method of its use This invention provides an apparatus for activation of a digesting agent for an organic material, the apparatus including a tank, a device for activating the digesting agent in the tank, and a device for enabling the activated digesting agent to contact t... | 02/02/1999 |
| 5863789 | Microorganism-holding carrier and method for remediation of soil employing the carrier A carrier for holding a microorganism in soil releases, from a constituting material thereof, an inducer for production of an enzyme of the microorganism for soil remediation. The carrier for holding a microorganism may comprise a combination of a microor... | 01/26/1999 |
| 5858766 | Biochemical upgrading of oils A process for biochemical conversion of heavy crude oils is provided. The process includes contacting heavy crude oils with adapted biocatalysts. The resulting upgraded oil shows, a relative increase in saturated hydrocarbons, emulsions and oxygenates and... | 01/12/1999 |
| 5856150 | Selective hydrolysis of saturated esters over unsaturated esters using enzymes Processes are disclosed for the selective hydrolysis of saturated esters, e.g., ethyl propionate, over unsaturated esters, e.g., ethyl acrylate, using enzymes, e.g., lipases. The processes are useful, for example, for removing undesired esters from monome... | 01/05/1999 |
| 5856452 | Oil bodies and associated proteins as affinity matrices A method for the separation of a target molecule from a mixture is described. The method employs oil bodies and their associated proteins as affinity matrices for the selective, non-covalent binding of desired target molecules. The oil body proteins may b... | 01/05/1999 |
| 5854061 | Method for accelerated chemical and/or biological remediation and method of using an apparatus therefor This invention relates to a method of accelerated remediation or bioremediation of contaminated material using an apparatus comprising means for generating a treated contaminated material entraining air stream at a velocity sufficient for entraining the c... | 12/29/1998 |
| 5854060 | Determining biodegradability of aspartic acid derivatives, degradable chelants, uses and compositions Chelants represented by Formula 1b: ##STR1## are determined to be biodegradable when Distance A is from about 3.8×10-10 to about 4.6×10-10 m, Distance B is from about 5.1×10-10 to about 5.9×10-10 m, and... | 12/29/1998 |
| 5854058 | Method of decomposing hard type rubber products The present invention relates to a method of decomposing hard type rubber products, which comprises treating hard type rubber products with a microorganism belonging to the genus Nocardia in the presence of soft type rubber products. According to the pres... | 12/29/1998 |
| 5854059 | Biodegradation of an organic compound and process for upgrading the environment by removing the aforesaid compound An organic compound is biodegraded using JM1 (FERM BP-5352) by contacting the JM1 with an organic compound and culturing the JM1 in a medium including source of conjugated carbon which is citric acid, maleic acid or a salt thereof.... | 12/29/1998 |
| 5849566 | Composition for accelerating the decomposition of hydrocarbons A composition and method for accelerating the decomposition of hydrocarbons. The composition comprises a non-ionic surfactant; sodium benzoate; imidazolidinyl urea; diazolidinyl urea; and a fermentation supernatant derived from a Saccharomyces cerevisiae ... | 12/15/1998 |
| 5846798 | Multi-enzyme granules Enzyme granules having an average particle size of from about 1 to about 2.2 mm are disclosed. The enzyme granules comprise an extruded particulate first enzyme component containing at least one enzyme and organic and/or inorganic carrier material and a s... | 12/08/1998 |
| 5843763 | Dehalogenation of organohalogen-containing compounds Enzymatic dehalogenation of undesirable nitrogen-free organohalogen compounds is carried out by adding a dehalogenase to an aqueous composition comprising a nitrogen-free organohalogen compound and a nitrogen-containing cationic polymer. The enzymatic deh... | 12/01/1998 |
| 5843758 | Enzyme based bioremediation The present invention provides an E3 esterase from an organophosphate resistant strain of L. cuprina. The invention further provides DNA sequences encoding such E3 esterases and cells transformed with the DNA sequences. In addition, the invention relates ... | 12/01/1998 |
| 5840182 | Apparatus and method for biological purification of waste An apparatus is disclosed for containing a microorganism culture in an active exponential growth and delivering a supply of microorganisms to an environment containing wastes for bio-augmenting the biodegradation of the wastes. The apparatus comprises a b... | 11/24/1998 |
| 5837638 | Zeolite composition The present invention relates to a zeolite composition comprising a culture of denitrificating bacteria and a process for the preparation of said zeolite composition. The zeolite composition further comprises potassium carbonate and sodium hydrogen sulpha... | 11/17/1998 |
| 5830740 | Serine protease operative between 75°C. and 103°C. A subtilisin which exhibits proteolytic activity at temperatures ranging from 75° C. to 130° C. The subtilisin has been given the name aerolysin because it was initially isolated from the hyperthermophilic archaeum, Pyrobaculum aerophilum. The amino aci... | 11/03/1998 |
| 5824541 | Method for accelerated remediation and method of using an apparatus therefor This invention relates to a method of using an apparatus is provided for the accelerated remediation of treated contaminated material. The material is treated with chemical amendments for facilitating accelerated remediation thereof. The apparatus compris... | 10/20/1998 |
| 5821113 | Method of reducing contamination and composition for use in the method Contamination by organic materials is treated by applying an aqueous composition comprising organisms which are useful in degradation of the contaminant, a nutrient for the organisms and a polymer which is soluble in or dispersible in the water and which ... | 10/13/1998 |
| 5820758 | Composition and method for clarifying and deodorizing a standing body of water A composition and method are provided for clarifying and deodorizing a standing body of water such as fresh and salt water pools and water of spas, cooling towers, lakes and ponds such as aquaculture ponds. The composition contains by weight about 20.26% ... | 10/13/1998 |
| 5821112 | Biological odor metabolizing compositions and methods of use Mixed bacterial compositions minimally contain a mixed population of bacteria including at least one species of Nitrosomonas capable of converting ammonia to nitrite, at least one species of Nitrobacter capable of converting nitrite to nitrate, at least o... | 10/13/1998 |
| 5814514 | Biodegradation of the gasoline oxygenates The present invention is directed to a method for degrading an undesirable ether-based environmental contaminant by contacting the ether with a propane-oxidizing microorganism or with an isopropanol-oxidizing microorganism to convert the ether to innocuou... | 09/29/1998 |
| 5811289 | Process and apparatus for effecting a biological aerobic pretreatment of dairy industry effluent This aerobic waste pretreatment process comprises inoculating a milk industry effluent with a mixture of bacteria and yeasts both classes of microorganisms capable of living and growing in symbiosis in the effluent, the population of the bacteria being, i... | 09/22/1998 |
| 5804424 | Process for the production of hydrogen using photosynthetic proteobacteria The invention relates to Proteobacteria that show unusually high level resistance to a wide range of metal oxides and oxyanions and to methods using selected Proteobacteria subgroups for efficient reduction of certain metal oxides and oxyanions to the fre... | 09/08/1998 |
| 5801051 | Method and apparatus for cleaning a filter aid A method for removing organic contaminants including yeast cells from a particulate filter aid such as kieselguhr includes steps of producing an aqueous suspension of the contaminated filter aid, and adding to the suspension a mixture of enzymes (protease... | 09/01/1998 |
| 5798253 | Method of culturing micro-organisms under a mutagenic influence An accelerated micro-organism culture method is for decomposing harmful substances. For this purpose, the cultivation, mutagenic treatment and stabilization of the micro-organisms are carried out simultaneously in a mutation fermenter containing a nutrien... | 08/25/1998 |
| 5789236 | Process of using sulfide-oxidizing bacteria A bacterial culture which comprises a Campylobacter-like species is provided. The bacterial culture is capable of oxidizing a sulfide compound in a fluid such as, for example, a produced brine. Also provided is a process for substantially reducing sulfide... | 08/04/1998 |
| 5776763 | Analytical process to determine biodegradability of chelants containing a double carboxy containing moiety An analytical process for determining the biodegradability of chelants containing a double carboxyl-containing moiety of specified formula, based on the atomic distances between the carboxyl moieties, is disclosed. According to this process the biodegrada... | 07/07/1998 |
| 5773283 | Systems and methods for biodegradation The present invention relates to the aerobic reaction of compounds such as aromatic, nitro-aromatic, halo-aromatic, halo-nitro-aromatic, aliphatic and halo-aliphatic compounds with a microorganism, said microorganism being a member of the group consisting... | 06/30/1998 |
| 5770436 | Treatment for contaminated material A treatment composition for treating contaminated material is disclosed which has water, coal, and an alkali metal carbonate. In another aspect an additional ingredient is a seaweed derivative. A method for making such a treatment composition for treating... | 06/23/1998 |
| 5766930 | Method of biotreatment for solid materials in a nonstirred surface bioreactor A method of biotreating a solid material to remove an undesired compound using a nonstirred surface bioreactor is provided. According to the method the surface of a plurality of coarse substrates is coated with a solid material to be biotreated to form a ... | 06/16/1998 |
| 5766928 | Method of eliminating hydrocarbons contaminating a region subjected to extreme temperatures The present invention relates to a method of removing contaminating hydrocarbons from regions which are subjected to extreme temperatures. The temperatures are generally outside the range of optimum growth of hydrocarbon-degrading microorganisms. The meth... | 06/16/1998 |
| 5766929 | Compositions and method for bioremediation of halogen contaminated soils The present invention is for bioremediation method and compositions for promoting activity in indigenous micro-organisms, causing the micro-organisms to degrade organic contaminants. The bioremediation compositions are provided by admixing an amount of a ... | 06/16/1998 |
