Daniel C. Duan
24Patents
16h-index
37Co-inventors
81Inventor score
Filing activity: Mar 2, 1987 → Jun 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6126919A | Biocompatible compounds for pharmaceutical drug delivery systems | Human Necessities | 136 | Expired |
| US5276079A | Pressure-sensitive poly(n-vinyl lactam) adhesive composition and method for producing and using same | Emerging Cross-Sectional Technologies | 125 | Expired |
| US5569450A | Aerosol formulation containing an ester-, amide-, or mercaptoester-derived dispersing aid | Human Necessities | 112 | Expired |
| US7097853B1 | Matrix for transdermal drug delivery | Chemistry; Metallurgy | 109 | Expired |
| US4931282A | Pressure-sensitive medical sealant | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5225473A | Pressure-sensitive adhesives | Chemistry; Metallurgy | 77 | Expired |
| US5725841A | Aerosol formulation containing an ester-, amide-, or mercaptoester-derived dispersing aid | Human Necessities | 76 | Expired |
| US7846488B2 | Masking method for coating a microneedle array | Human Necessities | 70 | Active |
| US5409966A | Method for producing pressure sensitive poly (N-vinyl lactam) | Emerging Cross-Sectional Technologies | 64 | Expired |
| US5670097A | Method of making blood gas sensors overcoats using permeable polymeric compositions | Human Necessities | 58 | Expired |
| US5389376A | Pressure-sensitive poly(n-vinyl lactam) adhesive composition and skin covering articles using same | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6042811A | Aerosol formulation containing a diol-diacid derived dispersing aid | Human Necessities | 44 | Expired |
| US4956230A | Ink receptive transparency sheet | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6482638B1 | Heat-relaxable substrates and arrays | Chemistry; Metallurgy | 23 | Expired |
| US5438988A | Pressure-sensitive poly(N-vinyl lactam) adhesive composition and biomedical electrodes using same | Emerging Cross-Sectional Technologies | 20 | Expired |
| US8554317B2 | Microneedle arrays and methods of use thereof | Human Necessities | 18 | Active |
| US6416742B1 | Medicinal aerosol solution formulation with biocompatible polymer | Human Necessities | 16 | Expired |
| US7687054B2 | Biocompatible compounds for sustained release pharmaceutical drug delivery systems | Human Necessities | 13 | Expired |
| US4781978A | Articles having a coating formed from a polymeric blend | Emerging Cross-Sectional Technologies | 13 | Expired |
| US9861580B2 | Method of making a dry powder pharmaceutical composition | Human Necessities | 12 | Active |
| US6902740B2 | Pyrrolidonoethyl (meth)acrylate containing pressure sensitive adhesive compositions | Chemistry; Metallurgy | 9 | Expired |
| US7718162B2 | Medicinal aerosol compositions with a functionalized polyethyleneglycol excipient | Human Necessities | 6 | Active |
| US7186402B2 | Medicinal aerosol compositions with an amide and/or ester containing excipient compound | Human Necessities | 0 | Expired |
| US12409401B2 | Pleated filtration assembly comprising spunbonded prefilter | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.