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| Number | Title | Issue Date |
| 7033822 | Self-contained and streamlined methane and/or high purity hydrogen generation system A process for producing methane and/or high purity hydrogen from anaerobically decomposed organic materials as well as a methane and/or high purity hydrogen generation system that operates in accordance with this process, are provided. The inventive system, which is... | 04/25/2006 |
| 6902726 | Reduction of odor gases from waste using plant-derived oils Plant-derived oils, carvacrol and thymol, when added to human or animal waste reduce the production of gas and short-chain volatile fatty acids, and the viability of total anaerobic bacteria and fecal coliforms. In an embodiment, carvacrol or thymol are combined wit... | 06/07/2005 |
| 6660518 | Two-phase type methane fermentation reactor Provided by the invention is a reactor for two-phase methane fermentation of organic waste materials such as livestock excrements which can be operated for a long period with stability. The apparatus comprises an acid fermentation tank (1) connected to a ... | 12/09/2003 |
| 6642047 | Exothermic chemistry and method for generating an anaerobic environment The present invention provides a method and device for creating an environment in a container that is suitable for growing anaerobic bacteria. The device utilizes exothermic chemistry to deplete oxygen and drive the decomposition of a bicarbonate present ... | 11/04/2003 |
| 6610377 | Airtight plastic sheeting for covering products, particularly ensiled agricultural products, like chopped silage, or similar The invention relates to a single- or multilayer plastic sheeting for covering products, particularly ensiled agricultural products, or similar, like chopped silage. According to the invention, in order to prevent the fermentation of the ensiled material ... | 08/26/2003 |
| 6555359 | Process for the anaerobic treatment of flowable and nonflowable organic waste A method and apparatus for anaerobic treatment of organic wastes in a liquid filled vessel wherein particles of the waste are buoyed and form a floating bed in the liquid by the gasses generated by the anaerobic digestion of the wastes. The bed forms to a... | 04/29/2003 |
| 6489156 | Rhodobacter strain for odor remediation of anaerobic livestock waste lagoons and biomass production A Rhodobacter species and variants thereof are provided for odor remediation of anaerobic livestock waste lagoons. Also provided are vector systems and genetically reconstituted Rhodobacter PS9 cells, and related methods for biomass production in anaerobi... | 12/03/2002 |
| 6465244 | Controlled atmosphere equipment Controlled atmosphere entry/exit lock unit (10) for association with a controlled atmosphere cabinet (80), the lock unit (10) having two controlled access means (13; 30) both usually operable alternatively for sealing and communicating, one (30) relative ... | 10/15/2002 |
| 6429008 | Apparatus and method for growing anaerobic microorganisms An apparatus for growing anaerobic microorganisms is provided having a dish top that contains a sealing ring upon which the media surface in the dish bottom rests when the apparatus is inverted. The contact between the sealing ring and the media surface f... | 08/06/2002 |
| 6265210 | Controlled atmosphere equipment Controlled atmosphere cabinet has enclosure (110;210) with means providing visibility (110F; 210F) of its interior from outside, gas supply (113-116, 212-216) for desired or target composition of internal atmosphere, controlled lock-type access (112) for ... | 07/24/2001 |
| 6255080 | Bacteriocins produced by ruminal bacteria Proteinaceous antibiotics produced by ruminal bacteria are provided. The diverse group of ruminal bacteria known as Butyrivibrio spp. is a preferred source of such proteinaceous antibiotics. The proteinaceous antibiotics are generally resistant to gastric... | 07/03/2001 |
| 6204051 | Apparatus and method for growing anaerobic microorganisms An apparatus for growing anaerobic microorganisms is provided having a dish top that contains a sealing ring upon which the media surface in the dish bottom rests when the apparatus is inverted. The contact between the sealing ring and the media surface f... | 03/20/2001 |
| 6153422 | Oxygen absorber for culturing anaerobic bacteria An oxygen absorber is provided which is obtainable by mixing 10 to 60 parts by weight of a particulate thermoplastic resin having a softening point of 90 to 125° C. and a particle diameter of 1 to 500 μm with 100 parts by weight of an oxygen absorbing c... | 11/28/2000 |
| 6010896 | Lyophilized ionizing radiation sterilized microorganisms as an additive for nutrient media for growing bacteria A media additive for the promotion of the growth of anaerobic and aerobic bacteria is presented. The additive comprises lyophilized microorganisms exposed to ionizing radiation. The microorganisms are Escherichia coli ATCC 25922 and Escherichia coli ATCC ... | 01/04/2000 |
| 5955344 | Apparatus and method for growing anaerobic microorganisms An apparatus for growing anaerobic microorganisms is provided having a dish top that contains a sealing ring upon which the media surface in the dish bottom rests when the apparatus is inverted. The contact between the sealing ring and the media surface f... | 09/21/1999 |
| 5914070 | Gas concentration adjusting agent, gas concentration adjusting method, and gas concentration adjusting system A gas concentration adjusting agent which allows a low oxygen concentration environment, such as an ischemic environment for tests of cultured cell damage caused by low oxygen or the like, to be conveniently created, as well as a method and a system for a... | 06/22/1999 |
| 5811259 | Biochemical reactor A biochemical reactor utilizing an immobilized carrier which is useful in applications such as denitrification of waste water and includes a circulation conduit within the interior of the biochemical reactor. A feed conduit feeds recirculating fluid throu... | 09/22/1998 |
| 5763170 | Method for forming an array of biological particles A method for forming and using an array of, e.g., bacteria, yeast or bacteriophage for the purpose of identifying particular constituents thereof. The array is formed by directing a stream of droplets, each containing on average about 1 or a few biologica... | 06/09/1998 |
| 5561059 | Substrate bioavailability enhancing chemical mixture for use in bioremediation A substrate bioavailability enhancing chemical mixture and bioremediation method is disclosed which increases substrate availability in microbial bioremediation and results in increased biodegradation efficiency and completeness while significantly shorte... | 10/01/1996 |
| 5518923 | Compact blood culture apparatus The present invention describes an apparatus for detecting biological activities in a large number of blood culture containers. The containers are placed in a plurality of wells arranged in concentric rows on a turntable that is rotated about a central ax... | 05/21/1996 |
| 5405773 | Assay for motile facultative anaerobic pathogens An approved assay for the determination for motile facultative anaerobic pathogens is described which involves the use of a growth-enhancing substance such as oxyrase enzyme in order to increase the growth rate of a target pathogen in a growth medium, to ... | 04/11/1995 |
| 5401639 | Stabilized bilirubin calibrator solution and method therefor A stabilized anoxic diagnostic reagent solution comprising an oxygen labile reagent, glucose oxidase, glucose, a hydrogen donor, sterile membrane fragments derived from bacteria having membranes containing an oxygen transfer system, and a reagent binding ... | 03/28/1995 |
| 5362639 | Method to increase anaerobic fermentation rates There is disclosed a process for the fermentation by yeast of sugar to alcohol wherein a portion of the nutrient phosphate is provided by one or more condensed phosphates. It has been found that when condensed phosphates are employed as the nutrient sourc... | 11/08/1994 |
| 5342524 | Performance of anaerobic digesters Methods of improving anaerobic digestion by enhancing the microorganism population through the creation of a nutrient environment more favorable for microbial growth and through the addition of microbes and, more particularly, by the addition of chelating... | 08/30/1994 |
| 5250427 | Photoconversion of gasified organic materials into biologically-degradable plastics A process is described for converting organic materials (such as biomass wastes) into a bioplastic suitable for use as a biodegradable plastic. In a preferred embodiment the process involves thermally gasifying the organic material into primarily carbon m... | 10/05/1993 |
| 5240721 | Device and method for controlling fermentation and ensilagation of food A device for controlling fermentation and ensilagation of food for use with an apparatus for fermenting and ensilaging is disclosed. The device comprising a key input unit manually controlled by a user so as to set the rate of fermentation and the ripenes... | 08/31/1993 |
| 5219755 | Process for the culture of anaerobics germs The process comprises circulation in a vessel containing the germs during a time T1 a ternary gas mixture comprising about 5% carbon dioxide, between 3.5 and 5% hydrogen; the balance consisting of nitrogen, followed by sealingly closing the ves... | 06/15/1993 |
| 5188946 | Process and device for sequential microbial enrichment in a single apparatus There is disclosed an apparatus, a device, and a method using the inventive device and apparatus for the sequential enrichment of a particular microorganism to a threshold level to allow for its detection. The use of the apparatus for sequential microbial... | 02/23/1993 |
| 5187070 | Assay for motile facultative anaerobic pathogens An improved assay for the determination for motile facultative anaerobic pathogens is described which involves the use of a growth-enhancing substance such as oxyrase enzyme in order to increase the growth rate of a target pathogen in a growth medium, to ... | 02/16/1993 |
| 5147801 | Culture medium device for bacteria A culture medium device in the form of a sheet comprises a base sheet member composed of an upper sheet having a hydrophilic property such as filter paper, a lower sheet having a water repellent property covering a lower surface of the upper hydrophilic s... | 09/15/1992 |
| 5091315 | Bioconversion reactor A bioconversion reactor for the anaerobic fermentation of organic material. The bioconversion reactor comprises a shell enclosing a predetermined volume, an inlet port through which a liquid stream containing organic materials enters the shell, and an out... | 02/25/1992 |
| 5076927 | Biocatalyzed partial demineralization of acidic metal sulfate solutions This invention comprises the steps of (1) acid phase anaerobic digestion of biomass to produce volatile acids and a stabilized sludge, (2) use of the volatile acids as the carbon source and electron donor for biological sulfate reduction for removal of ac... | 12/31/1991 |
| 5034331 | Compositions and methods for culturing microorganisms requiring special gaseous environments Metal hydrosulfites are found to be advantageous reducing agents for removing oxygen from contained atmospheres. When dissolved in alkaline aqueous gels, the hydrosulfites are effective to initiate and maintain anaerobiosis for culturing oxygen-sensitive ... | 07/23/1991 |
| 4996073 | Method and composition for removing oxygen from solutions containing alcohols and/or acids The present invention is directed to a novel method, composition and device for removing dissolved oxygen from solutions containing alcohols and/or acids. By removing oxygen from various products, the present invention is an effective antioxidant for beve... | 02/26/1991 |
| 4987068 | Porous inorganic support spheres which can be cleaned of surface biomass under fluidized bed conditions Microorganisms or animal cells are cultured in a fluidized or fixed bed bioreactor on porous inorganic sintered support spheres containing inwardly continuous and outwardly open pores. The spheres have a density and diameter such that shear forces created... | 01/22/1991 |
| 4981592 | Anaerobic digestion with addition of enzymes Addition of alkaline proteolytic enzymes derived from Bacillis licheniformis in the anaerobic stage of bacterial digestion processes to improve the settling properties of the bacterial biomass.... | 01/01/1991 |
| 4936996 | Method of processing biodegradable organic material An improved method and apparatus for treating a biodegradable organic material in an aqueous medium to produce methane gas is disclosed. The method involves flowing the aqueous medium under pressure through a hydrolytic-redox, immobilized microbe bioreact... | 06/26/1990 |
| 4929557 | Thermostable amylases and pullulanases from two anaerobic microorganisms At least one type of excretable, thermostable amylolytic enzyme, such as amylase and pullulanase, can be recovered from a culture medium in which thermophilic anaerobic bacteria, such as Thermoanaerobacter finii or Thermobacteroides acetoethylicus, are pr... | 05/29/1990 |
| 4925790 | Method of producing products by enzyme-catalyzed reactions in supercritical fluids A method is provided for producing a product by enzyme-catalyzed reaction using supercritical fluid as a solvent. Improved reaction times, conversion efficiencies and/or other efficiencies (such as improved ease of product recovery) are obtained.... | 05/15/1990 |
| 4919813 | Photoenhanced anaerobic digestion of organic acids A process is described for rapid conversion of organic acids and alcohols anaerobic digesters into hydrogen and carbon dioxide, the optimal precursor substrates for production of methane. The process includes addition of photosynthetic bacteria to the di... | 04/24/1990 |
