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| Number | Title | Issue Date |
| 6471871 | Method for the removal of silicon and heavy metals from aqueous streams A batch or continuous process for the removal by flocculation of silicon and heavy metal contamination from aqueous waste streams by the addition of an aluminum salt, particularly, aqueous streams recycled as electrolyte in the electrolytic production of ... | 10/29/2002 |
| 6200440 | Electrolysis cell and electrodes Peroxydisulfuric acid and salts thereof are produced electrochemically from an aqueous acid sulfate solution in a cascading series of bipolar electrolytic cells having a cell body frames of polyvinyl chloride which are bonded with a vinyl ester polymer. A... | 03/13/2001 |
| 6149049 | Metallurgical bonding of dissimilar metal tubes A method of metallurgically joining dissimilar metal tubes using a connecting member clad metal tube in which the clad metal is the same or similar metal to a metal of one of the dissimilar tubes to be joined and is susceptible to bonding by welding. The ... | 11/21/2000 |
| 6132590 | Electrolytic process for treating aqueous waste streams An electrochemical process for the production of a hydroxide solution and a sulfate by the electrolysis of a waste aqueous mixture of oxidizable sulfur impurities in the anode compartment of at least one electrolytic cell while producing a hydroxide solut... | 10/17/2000 |
| 6105393 | Gem stone setting for articles of jewelry An article of jewelry which includes a facet-cut gem stone having a girdle and a culet. The gem stone is secured by novel connecting members having a bearing surface adapted to hold the gem stone at the vicinity of the gem stone girdle in conjunction with... | 08/22/2000 |
| 6056867 | Ladder anode for cathodic protection A flexible, nonstretchable, titanium, ladder anode for cathodic protection of steel reinforced concrete structures formed of multiple titanium strips including multiple electric current-carrying titanium strips. Ladder anodes of titanium without an electr... | 05/02/2000 |
| 6027620 | Filter press electrolyzer A monopolar or bipolar filter press electrolyzer. The bipolar filter press electrolyzer can contain a bipolar electrode consisting of a planar metal anode and planar metal cathode electrically connected to respective planar current collectors which can be... | 02/22/2000 |
| 5904832 | Regeneration of active carbon and polymeric adsorbents Method for the regeneration of active carbon and polymeric adsorbents having oxidizable, organic pollutants adsorbed thereon by electrochemical and chemical means and apparatus therefor. The method involves a desorption step and a decomposition step. Deso... | 05/18/1999 |
| 5667668 | Electrolysis process for removal of caustic in hemicellulose caustic Pulping chemicals and hemicellulose are recovered from a starting solution essentially free of lignin but containing a mixture of hemicellulose and caustic by electrolyzing this solution in the anolyte compartment of an electrolytic cell. By electrolysis,... | 09/16/1997 |
| 5643437 | Co-generation of ammonium persulfate anodically and alkaline hydrogen peroxide cathodically with cathode products ratio control An electrolytic cell and process for the cogeneration of a peroxy acid and salts thereof in an anolyte compartment of the cell and hydrogen peroxide at a desired ratio of an alkali metal hydroxide to hydrogen peroxide in the catholyte compartment of the c... | 07/01/1997 |
| 5589053 | Electrolysis process for removal of caustic in hemicellulose caustic Pulping chemicals and hemicellulose are recovered from a starting solution essentially free of lignin but containing a mixture of hemicellulose and caustic by electrolyzing this solution in the anolyte compartment of an electrolytic cell. By electrolysis,... | 12/31/1996 |
| 5449171 | Miniature golfer A simulated miniature standing golfing figure having pivotably attached upper and lower body parts and fixed arms extending forwardly and downwardly terminating in hands holding a golf club shaft. The golf club shaft is integrally connected to the hands s... | 09/12/1995 |
| 5449317 | Grinding and cutting guide assembly for hand held shaping tool A drilling, grinding, and shaping guidance assembly particularly suited for attachment to a precision jewelers' grinding and cutting handpiece. The guidance assembly is integrally attached or clamped on the jewelers' handpiece. The guide arms of the assem... | 09/12/1995 |
| 5378447 | Method for the preparation of chlorates from waste gas streams obtained from the production of chlorine dioxide A process is disclosed for producing a dilute solution of an alkali or alkaline earth metal chlorate from a chlorine and carbon dioxide waste gaseous stream. The process of the invention can be combined in a continuous process for the production of an alk... | 01/03/1995 |
| 5336475 | Process for chromium removal using an inorganic sulfur compound A method has been devised for removing chromium ions from a chromium ion containing liquid and recovering chromium oxide in a usable form by (a) adjusting the temperature of the liquid to an optimal temperature to maximize reduction and simultaneous preci... | 08/09/1994 |
| 5316629 | Process for maintaining electrolyte flow rate through a microporous diaphragm during electrochemical production of hydrogen peroxide A process is disclosed for maintaining or increasing electrolyte flow rate through a microporous diaphragm in an electrochemical cell for the production of hydrogen peroxide by maintaining in the electrolyte a sufficient concentration of a stabilizing age... | 05/31/1994 |
| 5294307 | Integrated process for the production of alkali and alkaline earth metal chlorates and chlorine dioxide An integrated process for the production of alkali or alkaline earth metal chlorates and chlorine dioxide in which the chromium compound impurities in the alkali or alkaline earth metal chlorate aqueous solution produced by an electrochemical cell are rem... | 03/15/1994 |
| 5254321 | Process for chromium removal using an inorganic sulfur compound A method has been devised for removing chromium ion from a chromium ion containing liquid and recovering chromium oxide in an usable form by (a) adjusting the temperature of the liquid to an optimal temperature to maximize reduction and simultaneous preci... | 10/19/1993 |
| 5251414 | Energy absorbing composite and reinforcing core A reinforcing structure useful in the formation of an energy absorbing composite suitable for use as a motor vehicle body panel which resists deformation upon absorbing impact loads by distribution of a deforming load to areas of the composite surrounding... | 10/12/1993 |
| 5244547 | Decreasing the concentration of hydroxyl ions in aqueous alkaline peroxide solutions Novel methods of decreasing the concentration of hydroxyl ions in an electrochemically generated alkaline peroxide aqueous solution consisting of partial neutralization of a stabilized solution of alkaline hydrogen peroxide, electrodialysis, and dialysis ... | 09/14/1993 |
| 5211853 | Method for the removal of chromium compounds from aqueous solutions A process for precipitating and removing chromium compounds in which chromium is in the hexavalent state from aqueous liquids, particularly, alkaline earth metal or alkali metal chlorate-rich solutions containing chloride, chlorate, and bichromate ions pr... | 05/18/1993 |
| 5143731 | Body cavity drug delivery with thermo-irreversible polyoxyalkylene and ionic polysaccharide gels Balanced pH, thermo-irreversible gels are ideal vehicles for drug delivery to a body cavity of a mammal. The gels contain a mixture of a polyoxyalkylene block copolymer or polyether together with an ionic polysaccharide which is thermo-irreversibly gelled... | 09/01/1992 |
| 5143965 | Magnesium hydroxide having fine, plate-like crystalline structure and process therefor Novel magnesium hydroxide having a fine, plate-like crystalline structure, a median particle size of up to about 1 micron and a particle size distribution in which about 90% of said magnesium hydroxide particles are less than about 3.5 microns is prepared... | 09/01/1992 |
| 5135751 | Composition for reducing postsurgical adhesions A process and compositions for reducing post-surgical adhesion formation/reformation in mammals following surgical injury to the peritoneal or pleural cavity or organs situated therein. Both aqueous and non-aqueous compositions comprising a polyoxyalkylen... | 08/04/1992 |
| 5126141 | Composition and method for post-surgical adhesion reduction with thermo-irreversible gels of polyoxyalkylene polymers and ionic polysaccharides A process and compositons for reducing post-surgical adhesion formation/reformation in mammals following injury to organs situated in mammalian body spaces. Aqueous, thermally reversible gel compositions, preferably at mammalian body fluid pH, comprising ... | 06/30/1992 |
| 5124151 | Drug delivery by injection with thermo-irreversible gels Balanced pH, thermo-irreversible gels are ideal vehicles for drug injection into the body of a mammal.... | 06/23/1992 |
| 5106464 | Decreasing the concentration of hydroxyl ions in aqueous alkaline peroxide solutions Novel methods of decreasing the concentration of hydroxyl ions in an electrochemically generated alkaline peroxide aqueous solution consisting of partial neutralization of a stabilized solution of alkaline hydrogen peroxide, electrodialysis, and dialysis ... | 04/21/1992 |
| 5077033 | Ophthalmic drug delivery with thermo-irreversible gels of polxoxyalkylene polymer and ionic polysaccharide Balanced pH, thermo-irreversible gels are ideal vehicles for drug delivery to the eye of a mammal.... | 12/31/1991 |
| 5071644 | Topical drug delivery with thermo-irreversible gels Balanced pH, thermo-irreversible gels are ideal vehicles for drug delivery to the skin of a mammal.... | 12/10/1991 |
| 4969981 | Cell and method of operating a liquid-gas electrochemical cell An electrochemical cell having improved current efficiency and a method for electrochemically reacting a liquid electrolyte with a gas in an electrochemical cell. The cell has at least two electrodes separated by a cell separator wherein at least one of s... | 11/13/1990 |
| 4927509 | Bipolar electrolyzer A bipolar, filter press type cell is disclosed having a liquid permeable diaphragm which is particularly suited for the electrolysis of a brine solution to produce chlorine and caustic or the electrolysis of an aqueous alkali metal hydroxide to produce an... | 05/22/1990 |
| 4921587 | Porous diaphragm for electrochemical cell A porous diaphragm is disclosed for use in an electrochemical cell having at least one electrode characterized as porous and self-draining. The diaphragm provides a way of obtaining uniformity of flow of an electrolyte through the diaphragm even when expo... | 05/01/1990 |
| 4911926 | Method and composition for reducing postsurgical adhesions A process and compositions for reducing post-surgical adhesion formation/reformation in mammals following surgical injury to the peritoneal or pleural cavity or organs situated therein. Both aqueous and non-aqueous compositions comprising a polyoxyalkylen... | 03/27/1990 |
| 4900854 | Process for the preparation of asymmetrical alkaline earth metal organoborates, organoaluminates, organoarsenates, and organophosphates Process for the preparation of asymmetrical alkaline earth metal organoborates and organoaluminates represented by the formula I: ##STR1## and asymmetrical alkaline earth metal organoarsenates and organophosphates represented by the formula II: ... | 02/13/1990 |
| 4894302 | Alkaline earth metal anode-containing cell having electrolyte of organometallic alkaline earth metal salt and organic solvent Alkaline earth metal anode cells having an intercalation cathode, a nonaqueous liquid electrolyte comprising (a) an organic solvent, for instance, an ether, an ester, a sulfone, an organic sulfide, an organic sulfate, a tertiary amine, an organic nitrite,... | 01/16/1990 |
| 4891107 | Porous diaphragm for electrochemical cell A porous diaphragm is disclosed for use in an electrochemical cell having at least one electrode characterized as porous and self-draining. The diaphragm provides a uniformity of flow of an electrolyte through the diaphragm even when exposed to varying el... | 01/02/1990 |
| 4872957 | Electrochemical cell having dual purpose electrode Cell having a porous, self-draining, gas diffusion electrode contained within a frame and having on both sides of said electrode a liquid permeable microporous diaphragm. The electrode assembly contains an internally positioned current distributor. The ce... | 10/10/1989 |
| 4834847 | Electrochemical cell for the electrolysis of an alkali metal halide and the production of a halogenated hydrocarbon An electrochemical cell and process for the electrolysis of an aqueous solution of an alkali metal halide and the production of a halogenated hydrocarbon comprising an electrolytic cell having a gas depolarized anode and a cathode which can be a dimension... | 05/30/1989 |
| 4755272 | Bipolar electrochemical cell having novel means for electrically connecting anode and cathode of adjacent cell units A bipolar electrochemical cell comprising a novel connector for electrically connecting the anode and cathode of adjacent cell units comprising a corrugated, electrically conductive sheet which defines, respectively, with said cathode and said anode, sepa... | 07/05/1988 |
| 4752544 | Solid polymer electrolyte and production method An anionically conductive polymer electrolyte, solid at ambient temperature, containing a salt of the formula: wherein M is selected from the group consisting of at least one of boron, phosphorus, antimony, and arsenic, wherein X is halogen, n is 4 or 6, and ... | 06/21/1988 |
