Composite polyurethane condom and preparation method thereof
US-12472091-B2 · Nov 18, 2025 · US
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Li Weihu patents
Li Weihu is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Weihu |
| Total patents | 6 |
| First publication | Feb 2, 2023 |
| Latest publication | Nov 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Pure polyurethane condom having adhesive layer, and preparation method therefor
US-12458528-B2 · Nov 4, 2025 · US
Pure polyurethane condom having adhesive layer, and preparation method therefor
US-2023414401-A1 · Dec 28, 2023 · US
Pure polyurethane condom having adhesive layer and preparation method therefor
US-2023157862-A1 · May 25, 2023 · US
Mold for molding polyurethane condom, and preparation method and use method for mold
US-2023149206-A1 · May 18, 2023 · US
Aqueous polyurethane emulsion for ultra-thin polyurethane condom with low modulus and high strength, and preparation method therefor
US-2023029922-A1 · Feb 2, 2023 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Reckitt Benckiser Health Ltd | 6 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A61F6/04 | 6 |
| C09J175/04 | 4 |
| A61F2006/043 | 4 |
| B29C41/14 | 4 |
| B29C33/40 | 4 |