Inventor · Maplewood, MN, US

Youlu Duan

11Patents
11h-index
19Co-inventors
61Inventor score

Filing activity: Oct 10, 1989 → Jun 17, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5608000A Aqueous polyurethane dispersion adhesive compositions with improved heat resistance Emerging Cross-Sectional Technologies 70 Expired
US6017998A Stable aqueous polyurethane dispersions Emerging Cross-Sectional Technologies 36 Expired
US5610232A Aqueous non-gelling, anionic polyurethane dispersions and process for their manufacture Emerging Cross-Sectional Technologies 34 Expired
US5703158A Aqueous anionic poly (urethane/urea) dispersions Emerging Cross-Sectional Technologies 33 Expired
US6031045A Water-based sulfonated polymer compositions Chemistry; Metallurgy 31 Expired
US5834554A Laminating adhesives for flexible packaging Emerging Cross-Sectional Technologies 31 Expired
US5637639A Reduced solvent process for preparation of aqueous polyurethane dispersions with improved heat-and water-resistance Emerging Cross-Sectional Technologies 26 Expired
US5087680A Fluoropolymer alloys Chemistry; Metallurgy 22 Expired
US5872182A Water-based polyurethanes for footwear Emerging Cross-Sectional Technologies 16 Expired
US5900457A Aqueous polyurethane dispersions formed from polyisocyanates having a methylene bridge Chemistry; Metallurgy 15 Expired
US5807919A Water-based sulfonated polymer compositions Chemistry; Metallurgy 14 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.