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| Number | Title | Issue Date |
| 8025781 | Method and means for chemically modifying gases or fumes Method and means for modifying gases or fumes fed through a filter (1), from its inlet side to its outlet side, submitted to an electric plasma having its maximum plasma density (d) at the filter's inlet side. The gases or fumes may comprise NOx, t... | 09/27/2011 |
| 7361225 | Liquid tank The present invention provides a liquid tank which has a compact construction comprising a process bath, an agitation service bath, an agitation room, a liquid supply tunnel, and a liquid supply outlet. ... | 04/22/2008 |
| 7267749 | Workpiece processor having processing chamber with improved processing fluid flow A processing container (610) for providing a flow of a processing fluid during immersion processing of at least one surface of a microelectronic workpiece is set forth. The processing container comprises a principal fluid flow chamber (505) providing a... | 09/11/2007 |
| 7252764 | Method for fabrication of a molecular filter and apparatus formed by the same The invention is a method for fabricating molecular filters which can separate objects approximately 1-5 nm in range, where the filtration size is controlled by using thin films of materials and technologies to form a filtration channel or pore in a middle thin film... | 08/07/2007 |
| 7229541 | Processing solution tank A processing solution tank of forming an agitating flow by flowing and circulating a processing solution in directions opposite to each other between the side of a liquid surface and the side of a tank bottom, in which a guide plate substantially of an arcuate shape... | 06/12/2007 |
| 6610187 | Dip type surface treatment apparatus and dip type surface treatment method There is provided an electrodeposition coating apparatus for dipping a body into an electrodeposition coating liquid filled in an electrodeposition tank, which includes a first circulation system for causing a flow direction of the coating liquid in a sur... | 08/26/2003 |
| 6531042 | Electrodeposition painting systems and methods Electrodeposition (ED) systems and methods are disclosed where acid control is possible without adding acid from outside when acid tends to be depleted. A mixture of high neutralizer removal type membrane electrodes and low neutralizer removal type membra... | 03/11/2003 |
| 6398944 | Method of removing acid formed during cathodic electrodip coating A method of removing, by oxidation at the anode, the acid liberated in cathodic dip-coating in the course of the deposition of the coating film, using anodes coated with a layer of tin oxide or with a mixture of tin oxide with ruthenium or iridium oxides.... | 06/04/2002 |
| 6139708 | Dip surface-treatment system and method of dip surface-treatment using same The invention relates to a system for treating a surface of an article with a liquid material by dipping. This system includes (a) a major tank having therein the liquid material for dipping the article thereinto; and (b) a circulatory mechanism for circu... | 10/31/2000 |
| 5591316 | Electrocoat painting method using guarded tubular membrane electrode cells A method of electrocoat painting using tubular guarded membrane electrode cells. An object-to-be-electrocoat painted, or counter-electrode, is positioned or moved into a paint bath. Electrical current flow is induced between the membrane electrode cells a... | 01/07/1997 |
| 5478454 | Electrodeposition painting device and method An electrodeposition painting cell and method utilizing a membrane electrode cell and membrane monitoring capability is disclosed. In the disclosed cell and method, the article to be painted constitutes the first electrode, and a second electrode is provi... | 12/26/1995 |
| 5114554 | Removal of acid from cathodic electrocoating baths by electrodialysis Acid is removed from cathodic electrocoating baths in which electroconductive substrates are being coated with cationic resins present in the form of aqueous dispersions, at least a portion of the coating bath being subjected to an ultrafiltration where t... | 05/19/1992 |
| 5091071 | Removal of acid from cathodic electrocoating baths by electrodialysis Acid is removed from cathodic electrocoating baths by a process in which electroconductive sub-strates are coated with cationic resins present in the form of aqueous dispersions, at least a portion of the coating bath being subjected to an ultrafiltration... | 02/25/1992 |
| 5047128 | Electrodialysis cell for removal of excess electrolytes formed during electrodeposition of photoresists coatings This invention provides a means of controlling the composition of electrodepositable photoresists emulsion. The system removes contaminants from the bath which may adversely effect the quality of the deposited coatings and allows for continuous monitoring... | 09/10/1991 |
| 5021135 | Method for treatment of electrodeposition bath In a method for electrocoating an electrically conductive surface serving as an electrode, which method comprises passing an electrical current between the electrically conductive surface to be electrocoated and a counter electrode in contact with an elec... | 06/04/1991 |
| 5009758 | Closed noncontinuous electrodeposition painting system The present invention is a painting and filtration system wherein the system is capable of non-continuous operation, and wherein the system is capable of automatically removing impurities from the filtration system during operation. The system is particul... | 04/23/1991 |
| 4971672 | Removal of acid from cathodic electrocoating baths by electrodialysis Acid is removed from cathodic electrocoating baths by a process in which electroconductive sub-strates are coated with cationic resins present in the form of aqueous dispersions, at least a portion of the coating bath being subjected to an ultrafiltration... | 11/20/1990 |
| 4883573 | Removal of acid from cathodic electrocoating baths by electrodialysis Acid is removed from cathodic electrocoating baths by a process in which electroconductive substrates are coated with cationic resins present in the form of aqueous dispersions, at least a portion of the coating bath being subjected to an ultrafiltration ... | 11/28/1989 |
| 4643815 | Electrocoating method and apparatus In a method and apparatus for electrocoating from an electrolyzing coating mixture, the temperature of a dialysis fluid is controlled to control the temperature of the coating mixture by heat exchange with the dialysis fluid while at the same time control... | 02/17/1987 |
| 4568438 | Method for making an electro-immersion finish by forced circulation of a liquid bath in a tank An improved and substantially contamination free electro-immersion finish is provided on an electrically conductive substrate such as a motor vehicle body. An immersion tank holds an aqueous liquid containing an electrophoretically precipitable resin. The... | 02/04/1986 |
| 4231850 | Process for a cationic cathodic electrocoat Cationic cathodic electrocoat is conducted by using a cationic electrodepositable paint bath having a pH value of about 6.0-8.0 and by supplementing the bath with a supplemental feed paint prepared by mixing a filtrate obtained by filtering the above desc... | 11/04/1980 |
| 4222837 | Electrodeposition process with ultrafiltration In a cationic electrocoating process in which phosphoric acid is used as an acidic ionizing agent for the polymer in the coating composition, and in which excess phosphoric acid build-up in the bath is removed by ultrafiltration, phosphoric acid in the fi... | 09/16/1980 |
| 4201644 | Replenishment of electrodeposition coating bath The present invention relates to a method for replenishing an electrodeposition coating bath by subjecting to an ultrafiltration, an electro-deposition bath liquid which has been decomposed with time under a pressure of 0.2-3.0 kg/cm2 changing ... | 05/06/1980 |
| 4163703 | Method of coating the inside surface of a hollow body The method is particularly suitable for applying enamel by electrophoresis inside a hollow body, e.g. a sheet metal part. It consists in using an expandable cathode which, when expanded, approaches the interior angles of the hollow body, thereby favoring ... | 08/07/1979 |
| 4026775 | Electrocoating bath temperature control This invention relates to an improved method and system for controlling the temperature of an electrocoating bath wherein the bath is passed through a heat exchanger wherein the heat exchange surfaces in contact with the bath do not exceed 180° F.... | 05/31/1977 |
| 3974324 | Method for making polyimide coated conductors in a continuous manner and products made thereby A continuous method is provided for making polyimide coated conductors, such as wire and metal foil, by continuously passing the conductor into an aqueous plural solvent polyamide acid salt electrocoating bath. Electrodeposition can be effected of polyami... | 08/10/1976 |
| 3962059 | Process and device for electrophoretically plating metal parts Process and device for electrophoretically plating metal parts with vitreous enamel in a plating vessel containing a hollow cathode whose interior is connected by openings with its outside, the openings being covered by a membrane, the hollow cathode bein... | 06/08/1976 |
| 3945900 | Electro ultrafiltration process and apparatus An electro-ultrafiltration process is conducted in a tank in which the cathode and anode regions are separated by an anisotropic ultrafiltration membrane. A pressure differential is applied across the membrane and the fluid component of the bath moves thr... | 03/23/1976 |
| 3935085 | Composition control of an electrocoating bath This invention relates to a method of controlling the composition of an electrocoating bath, and, in particular, the neutralization agent content of such a bath wherein the electrocoating current is sensed and in accordance therewith a particular amount o... | 01/27/1976 |
