Americhem, Inc.
13Patents
2Active
13Granted
36Portfolio score
Filing activity: Aug 27, 1975 → Apr 28, 2015 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5217649A | Electrically conductive blends of intrinsically conductive polymers and thermoplastic polymers containing sulfonamide plasticizer and acidic surfactant | Chemistry; Metallurgy | 40 | Expired |
| US5290483A | Electrically conductive blends of intrinsically conductive polymers and thermoplastic polymers and a process for their preparation | Chemistry; Metallurgy | 37 | Expired |
| US5595689A | Highly conductive polymer blends with intrinsically conductive polymers | Electricity | 31 | Expired |
| US5090711A | Seal assemblies for internal mixers | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7188992B2 | Kneading element and related articles | Performing Operations; Transporting | 25 | Expired |
| US6054514A | Additives for enhancing corrosion protection of metals | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6099757A | Tuned conductive coatings and blends from intrinisically conductive polymers and processes for making same | Chemistry; Metallurgy | 22 | Expired |
| US6060116A | Polyaniline in the form of an easily dispersible powder and its use in corrosion protection and electrostatic dissipation | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5056800A | Seal assembly for internal mixers | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4021022A | Pigment metering and mixing apparatus | Performing Operations; Transporting | 4 | Expired |
| US7638187B2 | Beneficiated fiber and composite | Emerging Cross-Sectional Technologies | 2 | Active |
| US7175907B2 | Beneficiated fiber and composite | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9896850B2 | Thermoplastic-based building product and related methods | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.