DS

Dietmar Seyferth

MIT: 20 patents #140 of 9,367Top 2%
AN Akzo Nobel N.V.: 1 patents #670 of 1,625Top 45%
BA Bayer A.G.: 1 patents #10 of 27Top 40%
BH Bayer Healthcare: 1 patents #4,623 of 8,007Top 60%
The Dow Chemical: 1 patents #2,215 of 4,115Top 55%
📍 Lexington, MA: #230 of 2,299 inventorsTop 15%
🗺 Massachusetts: #4,915 of 88,656 inventorsTop 6%
Overall (All Time): #198,793 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
6313239 Olefin polymerization with group 4 metal-containing organosilicon dendrimers Ralf Wyrwa, Uli Franz, Sigurd Becke 2001-11-06
6020447 Sonichemical synthesis of silicon carbide precursors and methods for preparation thereof Toshiya Sugimoto, Pawel Czubarow 2000-02-01
5969073 Group 4 metal-containing organosilicon dendrimers and method for synthesizing organosilicon denrimers Ralf Wyrwa 1999-10-19
5473036 Process for forming a bromomagnesium tetrakis (fluorophenyl) borate Andrzej M. Piotrowski, Dennis F. Taylor 1995-12-05
5455000 Method for preparation of a functionally gradient material Pawel Czubarow 1995-10-03
5332701 Ceramic synthesis by pyrolysis of metal-containing polymer and metal Nathan Bryson, Henry J. Tracy, David P. Workman 1994-07-26
5204380 Preparation of silicon carbide ceramics from the modification of an Si-H containing polysilane Henry J. Tracy, Jennifer Robison 1993-04-20
5171736 Preceramic organosilicon-boron polymers Herbert Plenio 1992-12-15
5070116 Preceramic organosilicon-metal carbonyl polymers Christine A. Sobon, Jutta Borm 1991-12-03
4871826 Lewis base adducts of decaborane for forming new preceramic polymers, using as binders, forming shaped bodies and forming fibers William S. Rees, Jr. 1989-10-03
4820783 Method for forming new preceramic polymers for SiC and Si.sub.3 N4/SiC Timothy G. Wood, Yuan-Fu Yu 1989-04-11
4780337 Hybrid polymers derived from Si-H containing organosilicon polymers and unsaturated metal alkoxides Tom S. Targos 1988-10-25
4767876 Method for converting organosilicon polymers containing SIH repeat units and organopolysilazane precursors to new and useful preceramic polymers and silicon nitride enriched ceramic materials Joanne M. Schwark, Yuan-Fu Yu 1988-08-30
4720532 Organopolysilazane precursors to silicon nitride-rich mixed SiC/Si.sub.3 N.sub.4 Joanne M. Schwark 1988-01-19
4719273 Method for forming new preceramic polymers containing silicon Yuan-Fu Yu, Gudrun E. Koppetsch 1988-01-12
4705837 Method for converting Si-H containing polysiloxanes to new and useful preceramic polymers and ceramic materials Yuan-Fu Yu, Tom S. Targos 1987-11-10
4650837 Method for converting Si-H containing polycarbosilanes to new and useful preceramic polymers and ceramic materials Yuan-Fu Yu 1987-03-17
4645807 Method for forming new preceramic polymers for SiC and Si.sub.3 N.sub.4 /SiC systems Timothy G. Wood, Yuan-Fu Yu 1987-02-24
4639501 Method for forming new preceramic polymers containing silicon Yuan-Fu Yu 1987-01-27
4536589 Polymers of ferrocene Jere D. Fellmann, Philip E. Garrou, Howard Paul Withers, Jr. 1985-08-20
4482669 Preceramic organosilazane polymers Gary H. Wiseman 1984-11-13
4397828 Stable liquid polymeric precursor to silicon nitride and process Christian Prud'Homme, Gary H. Wiseman 1983-08-09