Issued Patents All Time
Showing 1–25 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7462728 | Diepoxide derivatives of N,N*-disubstituted disulfonamides | — | 2008-12-09 |
| 7153925 | Condensation polymers from N, N*-disubstituted disulfonamides | — | 2006-12-26 |
| 7141684 | Diepoxide derivatives of diallyl phenolics | — | 2006-11-28 |
| 6670474 | Epoxide derivatives of allylarylphenols | — | 2003-12-30 |
| 6008419 | Process for making 2,3-dihalopropanols | P. J. Thomas, Paul C. Vosejpka, George J. Frycek | 1999-12-28 |
| 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, Duane R. Romer | 1999-03-23 |
| 5744655 | Process to make 2,3-dihalopropanols | P. J. Thomas, Paul C. Vosejpka, George J. Frycek | 1998-04-28 |
| 5739344 | Preparation of an aminoarylaminoarazole | — | 1998-04-14 |
| 5723486 | 1,3 dithiolo(4,5)-1,3-dithiolo-2-thione derivatives, compositions and use as antimicrobial and marine antifouling agents | Weishi Wu, Duane R. Romer, Ravi B. Shankar | 1998-03-03 |
| 5703102 | 1,2,5-thiadiazolo-1,3-dithiole-2-one (or thione) as antimicrobial and marine antifouling agents | Ravi B. Shankar, Duane R. Romer | 1997-12-30 |
| 5703114 | Use of 4,5-dicyano-1-3-dithiole-2-one (or thione) as antimicrobial and marine antifouling agents | Ravi B. Shankar, Duane R. Romer | 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, Duane R. Romer | 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 | Duane R. Romer, Weishi Wu, Ravi B. Shankar | 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, Duane R. Romer | 1997-05-27 |
| 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 | Duane R. Romer, Weishi Wu, Ravi B. Shankar | 1997-05-20 |
| 5631207 | Use of 5-alkyl-1,3,4-oxadiazol (and thiadiazol)-2-thiomethylthiocyanates as marine antifouling agents | Duane R. Romer, Ravi B. Shankar | 1997-05-20 |
| 5591503 | Magnetic recording medium having a thin film magnetic layer and a sulfonamide lubricant | Ted A. Morgan, Kishore K. Kar | 1997-01-07 |
| 5491155 | Substituted thiadiazoles, compositions containing them and their use as antimicrobial and marine antifouling agents | Ravi B. Shankar, Duane R. Romer | 1996-02-13 |
| 5488060 | Substituted thiadiazoles, compositions containing them and their use as antimicrobial and marine antifouling agents | Ravi B. Shanker, Duane R. Romer | 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 | Duane R. Romer, 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, Duane R. Romer | 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, Duane R. Romer | 1995-10-03 |
| 5410065 | Preparation of 5-cylamino-1,2,4-triazole-3-sulfonamides | Jack C. Little, Mark J. Costales, Ravi B. Shankar | 1995-04-25 |
| 5391759 | Preparation of 5-acylamino-1,2,4-triazole-3-sulfonamides | Jack C. Little, Mark J. Costales, Ravi B. Shankar, Kidisti G. Mariam, Susan D. Thompson | 1995-02-21 |
| 5354929 | Bisbenzocyclobutene compounds with hydrophobic substituents, a method for making same | Robert A. Kirchhoff, P. J. Thomas | 1994-10-11 |