Envirocorp Services & Technology
4Patents
0Active
4Granted
26Portfolio score
Filing activity: Feb 21, 1995 → Apr 29, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5645730A | Acid wastewater treatement | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5651895A | Heavy metals removal | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5536385A | Production and purification of contaminated effluent streams containing ammonium sulfate and ammonia | Chemistry; Metallurgy | 11 | Expired |
| US5474684A | Antifreeze purification | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.