C23F1/00- Etching metallic material by chemical means. C23F- NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25. C23- COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMICAL SURFACE TREATMENT DIFFUSION TREATMENT OF METALLIC MATERIAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL. Assignors: WESTINGHOUSE ELECTRIC CORPORATION Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Application granted granted Critical Publication of US4366034A publication Critical patent/US4366034A/en Assigned to AMERICAN DAVIDSON, INC. Assignors: SVERDRUP, EDWARD F., RICKS, HERBERT E. OF THE COMMONWEALTH OF PA ASSIGNMENT OF ASSIGNORS INTEREST. OF THE COMMONWEALTH OF PA reassignment WESTINGHOUSE ELECTRIC CORPORATION, A CORP. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp Priority to US06/270,459 priority Critical patent/US4366034A/en Assigned to WESTINGHOUSE ELECTRIC CORPORATION, A CORP. Original Assignee Westinghouse Electric Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Sverdrup Current Assignee (The listed assignees may be inaccurate. 
Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US06/270,459 Inventor Herbert E.
#Cobalt chromium plating kit pdf
Google Patents Hard chromium plating process for cobalt-chromium-tungsten alloysĭownload PDF Info Publication number US4366034A US4366034A US06/270,459 US27045981A US4366034A US 4366034 A US4366034 A US 4366034A US 27045981 A US27045981 A US 27045981A US 4366034 A US4366034 A US 4366034A Authority US United States Prior art keywords chromium etching cobalt ferric chloride tungsten Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4366034A - Hard chromium plating process for cobalt-chromium-tungsten alloys US4366034A - Hard chromium plating process for cobalt-chromium-tungsten alloys
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