Chemico Systems, Inc.
8Patents
0Active
8Granted
30Portfolio score
Filing activity: Oct 2, 1972 → Nov 26, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3957651A | Microporous polyester membranes and polymer assisted phase inversion process for their manufacture | Performing Operations; Transporting | 77 | Expired |
| US3945926A | Integral microporous high void volume polycarbonate membranes and a dry process for forming same | Chemistry; Metallurgy | 37 | Expired |
| US4035459A | Process for spinning dry-fiber cellulose acetate hollow fiber membranes | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6806308B2 | Method for protecting paint on an article, a composition useful therefor, and a method for making the composition | Chemistry; Metallurgy | 27 | Expired |
| US4048271A | Dry process for forming polycarbonate membranes | Chemistry; Metallurgy | 22 | Expired |
| US4422886A | Surface treatment for aluminum and aluminum alloys | Chemistry; Metallurgy | 18 | Expired |
| US4391652A | Surface treatment for aluminum and aluminum alloys | Chemistry; Metallurgy | 8 | Expired |
| US4035457A | Nonbiodegradable polymers | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.