DL

David F. Lawson

Bridgestone: 82 patents #6 of 2,860Top 1%
BF Bridgestone Firestone: 13 patents #8 of 276Top 3%
TR The Firestone Tire & Rubber: 4 patents #45 of 233Top 20%
BR Bridgestone/Firestone Research: 1 patents #27 of 54Top 50%
📍 Uniontown, OH: #3 of 373 inventorsTop 1%
🗺 Ohio: #185 of 73,341 inventorsTop 1%
Overall (All Time): #14,570 of 4,157,543Top 1%
100
Patents All Time

Issued Patents All Time

Showing 26–50 of 100 patents

Patent #TitleCo-InventorsDate
7230050 Tire components including thermoplastic-elastomeric block copolymers Christopher G. Robertson, Terrence E. Hogan, William L. Hergenrother 2007-06-12
7153919 Use of sulfur containing initiators for anionic polymerization of monomers Terrence E. Hogan, William L. Hergenrother, Yuan-Yong Yan 2006-12-26
6838539 Cureable silane functionalized sealant composition and manufacture of same Terrence E. Hogan, Takayoki Yako, J. Phillip Kennedy 2005-01-04
6699813 Lanthanide-based catalyst composition for the manufacture of polydienes Steven Luo, Yoichi Ozawa, Koji Masaki 2004-03-02
6476143 Sulfenyl halide polymerization terminators Mark L. Stayer, Jr., Thomas A. Antkowiak 2002-11-05
6349753 Aminoalkyllithium compounds containing cyclic amines and polymers therefrom Thomas A. Antkowiak, James E. Hall, Mark L. Stayer, Jr., John R. Schreffler 2002-02-26
6274680 Sulfenyl halide polymerization terminators Mark L. Stayer, Jr., Thomas A. Antkowiak 2001-08-14
6235819 Process to scavenge amines in polymeric compounds by treatment with triazine derivatives and compositions therefrom Ashley S. Hilton, John R. Schreffler, Roderic P. Quirk 2001-05-22
6228908 Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds Hideo Takeichi, Daniel F. Graves, Sunil B. Sarkar, William L. Hergenrother, William M. Cole +1 more 2001-05-08
6204354 Soft compounds derived from polypropylene grafted disubstituted ethylene- maleimide copolymers Xiaorong Wang, Victor J. Foltz, Hideo Takeichi, Naruhiko Mashita 2001-03-20
6133354 Copolymers as additives in thermoplastic elastomer gels Xiaorong Wang, Victor J. Foltz, Naruhiko Mashita 2000-10-17
6107409 Gels derived from extending grafted comb polymers and polypropylene via a solution synthesis Terrence E. Hogan, Victor J. Foltz, Xiaorong Wang 2000-08-22
6084025 Reduced hysteresis products prepared with anionic polymerization initiators Takashi Kitamura, Koichi Morita, Yoichi Ozawa 2000-07-04
6080835 Aminoalkyllithium compounds containing cyclic amines and polymers therefrom Thomas A. Antkowiak, James E. Hall, Mark L. Stayer, Jr., John R. Schreffler 2000-06-27
6063873 Process to scavenge amines in polymeric compounds by treatment with triazine derivatives, and compositions therefrom Ashley S. Hilton, John R. Schreffler, Roderic P. Quirk 2000-05-16
6046288 Method of preparing a polymer using aliphatic solutions of aminoalkyllithium compounds Michael Lester Kerns, John R. Schreffler 2000-04-04
6025450 Amine containing polymers and products therefrom Mark L. Stayer, Jr., David Saffles, Koichi Morita, Yoichi Ozawa, Ryota Fujio +1 more 2000-02-15
6008295 Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds Hideo Takeichi, Daniel F. Graves, Sunil B. Sarkar 1999-12-28
5959048 Soluble anionic polymerization initiators for preparing functionalized polymer James E. Hall, Yoichi Ozawa 1999-09-28
5935893 Aliphatic solutions of aminoalkyllithium compounds Michael Lester Kerns, John R. Schreffler 1999-08-10
5932662 Aminoalkyllithium compounds containing cyclic amines and polymers therefrom Thomas A. Antkowiak, James E. Hall, Mark L. Stayer, Jr., John R. Schreffler 1999-08-03
5916976 Polymers, elastomeric compounds, and products thereof, terminated with novel amine compounds containing side-chain organohalide reactive moieties Michael Lester Kerns, William L. Hergenrother 1999-06-29
5912343 Tertiary amines containing side-chain organolithium structures and method for the preparation thereof William L. Hergenrother, Michael Lester Kerns 1999-06-15
5883183 Reduced hysteresis products prepared with anionic polymerization initiators Takashi Kitamura, Koichi Morita, Yoichi Ozawa 1999-03-16
5866650 Composition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereof Hideo Takeichi, William L. Hergenrother, Thomas J. Lynch, James Oziomek 1999-02-02