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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7281410 | Method for determining an effective peclet number for a membrane adsorber device The method for determining an effective Peclet number for a membrane adsorber device includes the steps of (a) equilibrating the membrane adsorber device with an equilibration buffer at a known pH and conductivity; (b) challenging the membrane with a known concentra... | 10/16/2007 |
| 7217349 | Method of separating multivalent ions and lactate ions from a fermentation broth The invention pertains to a method of separating multivalent ions and lactate ions from a fermentation broth comprising a multivalent ion lactate salt by using an electrodialysis or electrolysis apparatus, comprising the steps of introducing the broth wherein the mu... | 05/15/2007 |
| 7141154 | Single-stage separation and esterification of cation salt carboxylates using electrodeionization A method of and apparatus for continuously making an organic ester from a lower alcohol and an organic acid is disclosed. An organic acid or salt is introduced or produced in an electrode ionization (EDI) stack with a plurality of reaction chambers each formed from ... | 11/28/2006 |
| 6800185 | Method for producing basic amino acid solution Herein are disclosed a method for producing a basic amino acid solution which comprises subjecting a solution of a basic amino acid salt to electrodialysis with the use of an electrodialyser equipped with cation exchange membranes and anion exchange membranes in com... | 10/05/2004 |
| 6527932 | Methods for producing or purifying onium hydroxides by means of electrodialysis Methods of preparing or purifying onium hydroxides of the elements N, S or P by electrodialysis involve an electrodialysis apparatus comprising one or more cell units, each cell unit comprising a bipolar membrane and an anion-selective membrane, and a bip... | 03/04/2003 |
| 6471844 | Process for the isolation of aromatic hydroxycarboxylic acids Processes are provided for the electrodialysis of a (di)alkali metal salt of an aromatic hydroxycarboxylic acid to produce a free aromatic hydroxycarboxylic acid and the alkali metal hydroxide, in the presence of a selected alkali metal salt. These variou... | 10/29/2002 |
| 6444108 | Process for isolation of dicarboxylic acids and hydroxycarboxlic acids A first process involves the partial electrodialysis of a dialkali metal salt of an aromatic hydroxycarboxylic acid or a dicarboxylic acid to produce the approximate monoalkali metal salt and the alkali metal hydroxide. The monoalkali metal salt is then t... | 09/03/2002 |
| 6312578 | Method for extracting amine compounds from a liquid medium The invention concerns a method for extracting by electrodialysis a compound comprising at least amine functions capable of protonation from a liquid medium. More particularly it concerns a method for extracting, and separating at least the monomers compr... | 11/06/2001 |
| 6214190 | Method for separating a catalyst by membrane electrodialysis The present invention relates to a process for isolating, by membrane electrodialysis, a catalyst from a solution containing it. More precisely, it relates to the isolation of a catalyst used in a homogeneous phase molecular oxidation reaction. The invent... | 04/10/2001 |
| 6159352 | Process for the electrochemical synthesis of N-acetylcysteine from cystine The process comprises: (A) obtainment of N-acetyl-cysteine from L-cystine, by means of the following steps: (i) acetylation of L-cystine to produce N-acetyl-cystine; (ii) electroreduction and desalination by electrodialysis of the N-acetyl-cystine thus produce... | 12/12/2000 |
| 6139714 | Method and apparatus for adjusting the pH of a liquid A process for adjusting the pH of an aqueous flowable fluid includes an electrochemical mechanism for adjusting the pH of an aqueous flowable fluid and a mechanism for then electrochemically stabilizing the adjusted pH of the fluid. A device for performin... | 10/31/2000 |
| 6110342 | Process for production of amino acid hydrochloride and caustic via electrodialysis water splitting The invention uses a stack of three compartment electrodialysis cells in a process for the production amino acid hydrochloride and an alkali. The electrodialysis cell contains bipolar, cation and anion membranes which are arranged to form acid, base and s... | 08/29/2000 |
| 6036830 | Desalination of aqueous sulphonamide solutions In order to remove the salts (in particular NH4 Cl) present in an aqueous sulphonamide solution (in particular CH3 SO2 NH2), the solution is subjected to a two-compartment electrodialysis. By maintaining the pH ... | 03/14/2000 |
| 6004445 | Electrochemical methods for recovery of ascorbic acid The present invention relates to electrochemical methods for the recovery of ascorbic acid from an ascorbate salt without the co-generation of a waste salt stream and while maintaining high conductivity of the electrochemical cell thereby providing for qu... | 12/21/1999 |
| 5980724 | Method of electrochemically producing epoxides Described is a method of electrochemically converting -halohydrins, e.g., 1-chloro-2-hydroxypropane and 1,3-dichloro-2-hydroxypropane, to epoxides, e.g., propylene oxide and epichlorohydrin. An electrolytic cell is provided having (1) a catholyte c... | 11/09/1999 |
| 5968338 | Process for recovering onium hydroxides from solutions containing onium compounds In one embodiment, the present invention relates to a process for recovering an onium hydroxide from a solution containing an onium compound, including contacting the solution with a cation exchange material so that at least a portion of onium cations fro... | 10/19/1999 |
| 5938907 | Method for recovering guanidine salts A process for recovering guanidine salts from diluted and contaminated aqueous solutions is described, wherein the corresponding aqueous solution (diluate) is subjected to electrodialysis and the guanidine salt is concentrated on the concentrate side. The... | 08/17/1999 |
| 5928485 | Process for isolation of dicarboxylic acids and hydroxycarboxylic acids A first process involves the partial electrodialysis of a dialkali metal salt of an aromatic hydroxycarboxylic acid or a dicarboxylic acid to produce the approximate monoalkali metal salt and the alkali metal hydroxide. The monoalkali metal salt is then t... | 07/27/1999 |
| 5910237 | Process for recovering organic hydroxides from waste solutions In one embodiment, the present invention relates to a process for recovering organic hydroxide from contaminated solutions containing the organic hydroxide and impurities including charging the contaminated solution to a first electrochemical cell contain... | 06/08/1999 |
| 5906722 | Method of converting amine hydrohalide into free amine Describes a method of electrochemically converting amine hydrohalide, e.g., ethyleneamine hydrochloride, into free amine, e.g., free ethyleneamine. A three compartment electrolytic cell is provided having (1) a catholyte compartment containing a cathode a... | 05/25/1999 |
| 5904829 | Method of converting amine hydrohalide into free amine Describes a method of electreochemically converting amine hydrohalide, e.g., amine hydrochloride, into free amine, e.g., free ethyleneamine. An electrolytic cell is provided having (1) a catholyte compartment containing a cathode assembly comprising a cat... | 05/18/1999 |
| 5900133 | Method of converting amine hydrohalide into free amine Describes a method of electrochemically converting amine hydrohalide, e.g., ethyleneamine hydrochloride, into free amine, e.g., free ethyleneamine. A three compartment electrolytic cell is provided having (1) a catholyte compartment containing a cathode a... | 05/04/1999 |
| 5876579 | Electrodialysis treatment A process for reducing the content of organic and inorganic halogen in an aqueous solution of a nitrogen-containing epihalohydrin-based resin, in which process the aqueous resin solution is subjected to an electrodialysis treatment. The aqueous resin solu... | 03/02/1999 |
| 5868916 | Process for recovering organic hydroxides from waste solutions In one embodiment, the present invention relates to a process for recovering an organic hydroxide from waste solutions containing the organic hydroxide and impurities including the steps of precipitating the organic hydroxide from the waste solution as an... | 02/09/1999 |
| 5833832 | Preparation of onium hydroxides in an electrochemical cell A process is described for preparing onium hydroxides from the respective onium salts and for purifying onium hydroxides in an electrochemical cell. In one example, the present invention relates to a process for preparing onium hydroxides from the corresp... | 11/10/1998 |
| 5814197 | Electrodialysis including filled cell electrodialysis (electrodeionization) Improved electrodialysis (ED) stacks are disclosed having one or more components selected from the group: a) cation exchange membranes having ion exchange groups predominantly sulfonic acid groups and a minor amount of weakly acidic and/or weakly basic gr... | 09/29/1998 |
| 5772013 | Method and apparatus for producing di- and more highly oxidized carboxylic acids A method is disclosed for producing di- and more highly oxidized carboxylic acids from a compound selected from a first group consisting of carbohydrates, carbohydrate derivatives and carbohydrate derivatives having more than one primary alcohol group, co... | 06/30/1998 |
| 5753097 | Process for purifying hydroxide compounds In one embodiment, the invention relates to a process for purifying solutions containing a hydroxide compound, including the steps of: (A) providing an electrochemical cell containing an anode, a cathode, a cation selective membrane and a bipolar membrane... | 05/19/1998 |
| 5728914 | Method and apparatus for disposing of organic halogen compounds A method and integrated apparatus for disposing of an organic halogen compound comprising phosphorus and at least one element selected from the group consisting of sulfur and a metal, in addition to carbon, hydrogen and oxygen, in atomic bond, comprises t... | 03/17/1998 |
| 5725748 | Process and installation for treating cellulose waste lye In a process for an electrochemical treatment of cellulose waste lye, mass transport takes place through a diaphragm or membrane between a cathode chamber and an anode chamber, and optionally through a middle chamber. Cationogenic components are removed f... | 03/10/1998 |
| 5725749 | Process for the separation of lactulose The invention relates to a process for the separation of lactulose from a mixture of lactulose and lactose in the presence of a weak acid capable of reversibly forming a complex with lactulose, by using an electrodialysis equipment including an anode and ... | 03/10/1998 |
| 5720865 | Process for the preparation of keto compounds Keto compounds are prepared by a condensation reaction in which an enolate is formed, and then a protonation in which the free keto compound is produced. In accordance with the invention, both condensation and protonation are carried out in one step by el... | 02/24/1998 |
| 5709790 | Electrochemical process for purifying hydroxide compounds In one embodiment, the invention relates to a process for purifying solutions containing a hydroxide compound, including the steps of: (A) providing an electrochemical cell containing an anode, a cathode, a cation selective membrane and an anion selective... | 01/20/1998 |
| 5709789 | Electrochemical conversion of nitrogen containing gas to hydroxylamine and hydroxylammonium salts The present invention relates to a method of preparing hydroxylamine in an electrochemical cell, comprising the steps of: providing an electrochemical cell comprising an anode, a cathode, a bipolar membrane positioned between the anode and the cathode, th... | 01/20/1998 |
| 5702579 | Process for making ascorbic acid A process for the preparation of ascorbic acid starting from an ascorbate is characterized in that an ascorbate, e.g. sodium ascorbate, dissolved in water is decomposed under the influence of an electric field by means of ion-selective membranes into asco... | 12/30/1997 |
| 5643430 | Electrodialysis treatment A process for reducing the content of organic and inorganic halogen in an aqueous solution of a nitrogen-containing epihalohydrin-based resin, in which process the aqueous resin solution is subjected to an electrodialysis treatment. The aqueous resin solu... | 07/01/1997 |
| 5626733 | Process for the preparation of keto compounds A process for the preparation of keto compounds from the associated alkali metal salts, in which process protonation is carried out by electrodialysis in a nonaqueous medium without the addition of acid which is foreign to the system, and the keto compoun... | 05/06/1997 |
| 5575901 | Process for preparing organic and inorganic hydroxides or alkoxides or ammonia or organic amines from the corresponding salts by electrolysis A process is described for preparing organic and inorganic hydroxides or alkoxides, or ammonia or organic amines from the corresponding salts in an electrolysis cell which comprises an anolyte compartment containing an anode and an electrolyte solution, a... | 11/19/1996 |
| 5437774 | High molecular weight electrodialysis A charged first molecular species is separated from a second molecular species by selectively passing one of the species through a separation membrane under the influence of an electrical potential. The separated species is maintained within a dialysate s... | 08/01/1995 |
| 5433833 | Process for the preparation of glycerophospholipids A process for fractionating deacylated glycerophospholipids of the formula (I): ##STR1## wherein R is a negative charge; a hydrogen atom; a CH2 CH2 NR1 R2 residue wherein R1 and R2, wh... | 07/18/1995 |
