Colonial Metals, Inc.
4Patents
0Active
4Granted
25Portfolio score
Filing activity: Sep 2, 1975 → Aug 10, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4138220A | Apparatus for catalytic oxidation of grease and fats in low temperature fumes | Performing Operations; Transporting | 38 | Expired |
| US6458183B1 | Method for purifying ruthenium and related processes | Chemistry; Metallurgy | 15 | Expired |
| US4048092A | Catalytic mixture and method of use therefor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7129170B2 | Method for depositing and etching ruthenium layers | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.