PS

Peter R. Sperry

Rohm And Haas: 17 patents #88 of 2,359Top 4%
📍 Doylestown, PA: #66 of 956 inventorsTop 7%
🗺 Pennsylvania: #4,155 of 74,527 inventorsTop 6%
Overall (All Time): #280,054 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
6376600 Aqueous composition Robert David Solomon, Bradley K. Hageman, Leo Joseph Procopio, Margo Schaefer, Gary David Greenblatt +5 more 2002-04-23
6271898 Particles and droplets containing liquid domains and method for forming in an aqueous medium Richard Roy Clikeman, Morris Wills, Martin Vogel, Jiun-Chen Wu, Willie Lau 2001-08-07
6080802 Process for preparing an aqueous dispersion of composite particles including polymeric latex adsorbed to titanium dioxide William D. Emmons, Martin Vogel, Edward Charles Kostansek, Jack C. Thibeault 2000-06-27
6037058 Particles and droplets containing liquid domains and method for forming in an acueous medium Richard Roy Clikeman, Morris Wills, Martin Vogel, Jiun-Chen Wu, Willie Lau 2000-03-14
5976405 Method for forming pluralities of droplets and polymer particles having low polydispersity Richard Roy Clikeman, Morris Wills, Martin Vogel, Jiun-Chen Wu, Willie Lau 1999-11-02
5835174 Droplets and particles containing liquid crystal and films and apparatus containing the same Richard Roy Clikeman, Morris Wills, Martin Vogel, Jiun-Chen Wu, Willie Lau 1998-11-10
5663224 Process for preparing an aqueous dispersion William D. Emmons, Martin Vogel, Edward Charles Kostansek, Jack C. Thibeault, Chao-Jen Chung 1997-09-02
5506282 Method for providing maximum coating film gloss Lixing Min, Michael Damian Bowe 1996-04-09
5331025 Coating compositions incorporating composite polymer particles Alvin C. Lavoie, Jen-Chi Chen, Chao-Jen Chung, Dennis Paul Lorah, Andrew W. Gross 1994-07-19
5319055 Non-aqueous thickening agents Chao-Jen Chung 1994-06-07
4647610 Aqueous polymer compositions containing surface-active evaporation suppressants Chao-Jen Chung 1987-03-03
RE31936 Dispersing paint pigments Richard J. Wiersema, Kayson Nyi 1985-07-02
4263372 Method of coating and/or impregnating porous substrates, and products obtained thereby William D. Emmons 1981-04-21
4255196 Lithographic ink of reduced volatile solvent content for reducing atmospheric pollution William D. Emmons, Fred Kaplan 1981-03-10
4253397 Method of printing with lithographic ink of reduced volatile solvent content for reducing atmospheric pollution William D. Emmons, Fred Kaplan 1981-03-03
4243430 Pigment dispersant for aqueous paints Richard J. Wiersema 1981-01-06
4197225 Polymer concrete compositions and cured products thereof William D. Emmons 1980-04-08