Manganese dioxide electrode
Patent 4028215 Issued on June 7, 1977. Estimated Expiration Date: 
June 7, 1994. 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.
June 7, 1994. 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 2631115 3616302 3627669 3850764 3855084 3882002 3917518 3926773 InventorsAssigneeApplicationNo. 644639 filed on 12/29/1975US Classes:204/290.03, Having three or more layers427/126.3Metal oxide, peroxide, or hydroxide coatingExaminersPrimary: Edmundson, F.C.Attorney, Agent or FirmInternational ClassesC25B 011/10C25B 011/04 AbstractDisclosed is an electrode for use in electrochemical processes especially electrowinning processes wherein a metal substrate made of a valve metal such as titanium carries a semiconducting intermediate coating consisting of a combination of tin and antimony oxides laid down upon the valve metal substrate in a series of layers and a top coating consisting of manganese dioxide applied in a series of layers. |
| ||||||||||||||
