DR

Duane R. Romer

Dow Global Technologies: 31 patents #54 of 4,534Top 2%
The Dow Chemical: 19 patents #100 of 4,115Top 3%
Rohm And Haas: 4 patents #540 of 2,359Top 25%
RM Rohm And Haas Electronic Materials: 4 patents #157 of 562Top 30%
DA Dow Agrosciences: 1 patents #801 of 1,183Top 70%
🗺 Michigan: #893 of 86,293 inventorsTop 2%
Overall (All Time): #52,757 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 26–50 of 51 patents

Patent #TitleCo-InventorsDate
8343886 Polymerization modifiers Daryoosh Beigzadeh, Richard E. Campbell, Jr., David D. Devore, James C. Stevens, Francis J. Timmers +2 more 2013-01-01
8324288 Extruded polymer foams containing brominated fatty acid-based flame retardant additives William J. Kruper, Jr., David R. Arrowsmith, Bruce M. Bell, William G. Stobby, Inken Beulich +3 more 2012-12-04
8080592 Extruded polymer foams containing brominated fatty acid-based flame retardant additives William J. Kruper, Jr., David R. Arrowsmith, Bruce M. Bell, William G. Stobby, Inken Beulich +3 more 2011-12-20
7943546 Polymerization modifiers Daryoosh Beigzadeh, Richard E. Campbell, Jr., David D. Devore, James C. Stevens, Francis J. Timmers +2 more 2011-05-17
7553917 Technique for selecting polymerization modifiers cross reference statement Daryoosh Beigzadeh, David D. Devore, Richard E. Campbell, Jr., James C. Stevens, Hendrik E. Tuinstra +2 more 2009-06-30
7214638 Olefin polymerization catalyst composition comprising group 13 amide derivatives James C. Stevens, Robert K. Rosen, Francis J. Timmers, Hendrik E. Tuinstra 2007-05-08
6329528 Process for preparing 3-(substituted phenyl)-5-thienyl or furyl)-1,2,4-triazoles and novel intermediates utilized therein Mary L. Ash, Mark W. Zettler, Norman R. Pearson, John W. Hull, Jr., David E. Podhorez 2001-12-11
6288188 Polyphenylene oligomers and polymers James P. Godschalx, Zenon Lysenko, Michael E. Mills 2001-09-11
5965679 Polyphenylene oligomers and polymers James P. Godschalx, Ying H. So, Zenon Lysenko, Michael E. Mills, Gary R. Buske +4 more 1999-10-12
5885991 Thiocyanomethyloxy (and thiocyanothiomethyl)-1,2,3-benzatriazin-4(3H) ones, compositions containing them and their use as antimicrobial and marine antifouling agents Ravi B. Shankar, R. Garth Pews 1999-03-23
5723486 1,3 dithiolo(4,5)-1,3-dithiolo-2-thione derivatives, compositions and use as antimicrobial and marine antifouling agents Weishi Wu, Ravi B. Shankar, R. Garth Pews 1998-03-03
5703114 Use of 4,5-dicyano-1-3-dithiole-2-one (or thione) as antimicrobial and marine antifouling agents Ravi B. Shankar, R. Garth Pews 1997-12-30
5703102 1,2,5-thiadiazolo-1,3-dithiole-2-one (or thione) as antimicrobial and marine antifouling agents Ravi B. Shankar, R. Garth Pews 1997-12-30
5661165 ((4-phenyl-1,2,5-thiadiazol-3-yl)oxy)methyl ester thiocyanic acid compounds, compositions containing them and their use as antimicrobial and marine antifouling agents Ravi B. Shankar, R. Garth Pews 1997-08-26
5661176 (2-one (or thione)-1,3-dithiole-4,5-diyl)-bis(thiomethylthiocyanate), compounds for use as antimicrobial and marine antifouling agents Weishi Wu, Ravi B. Shankar, R. Garth Pews 1997-08-26
5633219 5H-pyrrolo(3',4':5,6)(1,4)dithiin o(2,3-C)(1,2,5)thiadiazole-5,7(6H)-dione, compositions containing them and their use as antimicrobial and marine antifouling agents Ravi B. Shankar, R. Garth Pews 1997-05-27
5631207 Use of 5-alkyl-1,3,4-oxadiazol (and thiadiazol)-2-thiomethylthiocyanates as marine antifouling agents Ravi B. Shankar, R. Garth Pews 1997-05-20
5631277 (2-one (or thione)-1,3-dithiole 4,5-diyl) bis(thiocyanate) compounds, compositions containing the compounds and their use as an antimicrobial and marine antifouling agents Weishi Wu, Ravi B. Shankar, R. Garth Pews 1997-05-20
5491155 Substituted thiadiazoles, compositions containing them and their use as antimicrobial and marine antifouling agents Ravi B. Shankar, R. Garth Pews 1996-02-13
5488060 Substituted thiadiazoles, compositions containing them and their use as antimicrobial and marine antifouling agents Ravi B. Shanker, R. Garth Pews 1996-01-30
5488051 Substituted 5,6-dihydro-5-oxo-1,4-dithiino-(2,3-d)-pyridazine-2,3-dicarbonitriles, compositions containing them and their use as antimicrobials R. Garth Pews, Ravi B. Shankar, Charles A. Wilson 1996-01-30
5466707 Dimercapto-1,3-dithiolo-2-one or thione maleimides, compositions containing them and their use as antimicrobial and marine antifouling agents Weishi Wu, Ravi B. Shankar, R. Garth Pews 1995-11-14
5455222 1-substituted-5-thiomethylthiocyanato-1H-tetrazoles, compositions containing them and their use as antimicrobial and marine antifouling agents Ravi B. Shankar, R. Garth Pews 1995-10-03
5334603 Composition and use of 3-phenyl-5-thiocyano-methylthio-1,3,4-thiadiazole-2(3h)thione Ravi B. Shankar, R. Garth Pews 1994-08-02
5200409 Composition and use of substituted 1,3-dithiolo-and 1,4-dithiinoquinoxalines as an antimicrobial Ravi B. Shankar, R. Garth Pews 1993-04-06