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| Number | Title | Issue Date |
| 7807039 | Electrolyte for electrochemically polishing metallic surfaces The present invention relates to electrolytes for electrochemically polishing workpieces consisting of titanium, titanium alloys, niobium, niobium alloys, tantalum and tantalum alloys, which electrolytes contain sulfuric acid, ammonium bifluoride and at least one hy... | 10/05/2010 |
| 7357854 | Process for electropolishing a device made from cobalt-chromium The invention is directed to an electropolishing solution for products or devices made from at least in part a cobalt-chromium alloy. The invention is particularly suitable for medical devices or intravascular stents made at least in part of cobalt-chromium. More pa... | 04/15/2008 |
| 7208070 | Stent manufacture The present invention provides improvements in methods for the manufacture of stents. Specifically, the invention provides methods wherein stents are placed on jigs of various designs which facilitate manufacture, stents carried by the jigs are immersed in liquid ba... | 04/24/2007 |
| 6610194 | Bath composition for electropolishing of titanium and method for using same A bath composition for the electropolishing of a metal surface made of nonalloyed titanium is disclosed. The bath composition may comprise sulfuric acid of 2 to 40% by volume, hydrofluoric acid of 10 to 18% by volume and acetic acid of 42 to 62% by volume... | 08/26/2003 |
| 5176803 | Method for making smooth substrate mandrels Broadly, the present invention is directed to a method for electropolishing elongate metal mandrels in an electrolytic cell, wherein the electropolished metal mandrels are ideally suited for growing CVD diamond thereon for making water jet nozzles and sim... | 01/05/1993 |
| 4755265 | Processes for the deposition or removal of metals Methods for depositing metals on or removing metals from substrates are provided which involve the use of electrolytic cells comprising an anode and cathode, sulfuric acid, and a chalcogen-containing compound soluble in said bath and having the empirical ... | 07/05/1988 |
| 4686017 | Electrolytic bath and methods of use An electrolytic bath, suitable for depositing a metal on or removing a metal from a substrate is provided which comprises an anode and cathode, an acid having a pKa of about 6 or less, and a chalcogen-containing compound soluble in said bath an... | 08/11/1987 |
| 4663005 | Electropolishing process An electrolytic process employing a non-toxic electrolytic solution for anodically producing a high surface luster on copper, silver, gold, and alloys of the same is disclosed. The electrolytic solution employs thiourea as the principal carrier electrolyt... | 05/05/1987 |
| 4563257 | Method of electrolytically polishing a workpiece comprised of a nickel-, cobalt-, or iron-based alloy A method of electrolytically polishing Fe-, Co-, and Ni alloys, particularly nickel superalloys, wherein at least one fluorine compound is mixed into the electrolyte, which electrolyte is based on a strong acid and is further comprised of at least one wea... | 01/07/1986 |
| 4234397 | Nondestructive metallographic examination of gas turbine components A method is disclosed for the nondestructive examination of coated gas turbine components after service. An electrolytic polishing technique is used to uniformly remove the coating from a portion of the component. An electrolytic etching process is then u... | 11/18/1980 |
| 4169027 | Method of electrochemically processing the surface of a workpiece of molybdenum or of an alloy containing a high proportion of molybdenum A method of electrochemically processing the surface of a workpiece of modenum or of an alloy containing a high proportion of molybdenum. The workpiece is connected as an anode in an electrolytic solution comprising 70 to 90% by volume of 2-propanol and ... | 09/25/1979 |
