Controlling mesophase softening point and production yield by varying solvent SBN via solvent deasphalting
US-12590251-B2 · Mar 31, 2026 · US
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Liu Yifei patents
Liu Yifei is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Liu Yifei |
| Total patents | 7 |
| First publication | Jan 8, 2015 |
| Latest publication | Mar 31, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Processes for producing mesophase pitch
US-12454648-B2 · Oct 28, 2025 · US
Systems and Methods for Water Purification
US-2025154031-A1 · May 15, 2025 · US
Thermal Conversion of Heavy Hydrocarbons to Mesophase Pitch
US-2024218263-A1 · Jul 4, 2024 · US
Processes for Producing Mesophase Pitch
US-2024059976-A1 · Feb 22, 2024 · US
Organic electroluminescent materials and devices
US-10121975-B2 · Nov 6, 2018 · US
Organic electroluminescent materials and devices
US-2015008402-A1 · Jan 8, 2015 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Exxonmobil Chemical Patents Inc | 4 |
| Univ Southern California | 2 |
| Universal Display Corp | 1 |
| Univ Texas | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.