CC

Ching-Jen Chang

Rohm And Haas: 10 patents #195 of 2,359Top 9%
IT ITRI: 1 patents #5,197 of 9,619Top 55%
📍 Doylestown, PA: #105 of 956 inventorsTop 15%
🗺 Pennsylvania: #6,628 of 74,527 inventorsTop 9%
Overall (All Time): #418,092 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9634389 Multipath switching system having adjustable phase shift array Ming-Chien Tseng, Ming-Hung Cheng, Hsin-Piao Lin 2017-04-25
7932222 Triggered response compositions Hailan Guo 2011-04-26
7312259 Process for manufacturing polymers Joseph Robert Adamo, Hailan Guo, Charles Elwood Jones, Stephane Pierre Ugazio 2007-12-25
6384104 Method for preparing ultraviolet radiation-absorbing compositions Charles Elwood Jones, Barry Weinstein 2002-05-07
6368575 Method for inhibiting corrosion in an aqueous aerosol or foam hair styling composition Andrea C. Keenan, Curtis Schwartz 2002-04-09
6214328 Stiff-feel hair styling compositions Andrea C. Keenan, Curtis Schwartz 2001-04-10
5955549 Crosslinked poly(amino acids) and method of preparation Graham Swift 1999-09-21
4914170 Superabsorbent polymeric compositions and process for producing the same Walter DeWitt 1990-04-03
4663385 Process for thickening with copolymers of alkyl poly (oxyalkylene) itaconic di-esters Travis E. Stevens 1987-05-05
4429097 Alkyl poly(oxyalkylene) esters of acrylate oligomers and copolymers thereof for thickening purposes Travis E. Stevens 1984-01-31
4423199 Acrylamide containing emulsion copolymers for thickening purposes Travis E. Stevens 1983-12-27
4421902 Alkyl, poly(oxyethylene) poly(carbonyloxyethylene) acrylate emulsion copolymers for thickening purposes Travis E. Stevens 1983-12-20