Method of anodizing titanium to promote adhesion
Patent 3959091 Issued on May 25, 1976. Estimated Expiration Date: 
May 25, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 25, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2829091 3025225 3180807 3198718 3502552 3616279 InventorsAssigneeApplicationNo. 424792 filed on 12/14/1973US Classes:205/50, PRODUCT PRODUCED BY ELECTROLYSIS INVOLVING ELECTROLYTIC MARKING, BATTERY ELECTRODE ACTIVE MATERIAL FORMING, ELECTROFORMING, OR ELECTROLYTIC COATING205/200, Predominantly titanium, vanadium zirconium, niobium, hafnium, or tantalum substrate205/322, Predominantly titanium, vanadium, zirconium, niobium, hafnium, or tantalum substrate428/472Refractory metal salt or oxideExaminersPrimary: Andrews, R. L.Attorney, Agent or FirmAbstractPorous, adhesion-promoting oxide coatings are formed on titanium by anodizing in an aqueous solution containing fluoride ion and one or more oxidizing electrolytes at current densities of from 0.25 to 5 amp./ft.2.Other References
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