PPT Research, Inc.
7Patents
3Active
7Granted
34Portfolio score
Filing activity: Feb 19, 1999 → Sep 23, 2009 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7381690B1 | Stable aqueous slurry suspensions | Chemistry; Metallurgy | 19 | Expired |
| US7628893B1 | Apparatus and method for separation | Emerging Cross-Sectional Technologies | 18 | Active |
| US7727420B2 | Corrosion inhibiting compositions | Chemistry; Metallurgy | 17 | Expired |
| US6054422A | Cutting and lubricating composition for use with a wire cutting apparatus | Chemistry; Metallurgy | 10 | Expired |
| US6602834B1 | Cutting and lubricating composition for use with a wire cutting apparatus | Chemistry; Metallurgy | 7 | Expired |
| US7700535B1 | Wafer/Ingot cleaning in wire saw cutting comprising an ethoxylated alcohol/polyalkylsiloxane mixture | Chemistry; Metallurgy | 1 | Active |
| US9394502B2 | Stable aqueous slurry suspensions | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.