Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767452 | Process for treatment of petroleum acids | Michael Siskin, Guido Sartori | 2004-07-27 |
| 6228239 | Crude oil desalting method | Ramesh Varadaraj, David W. Savage, Guido Sartori, Ramesh R. Hemrajani, Cornelius H. Brons | 2001-05-08 |
| 6190541 | Process for treatment of petroleum acids (LAW824) | Michael Siskin, Guido Sartori | 2001-02-20 |
| 5435821 | Controlled release vegetation enhancement agents coated with sulfonated polymers, method of production and prcesses of use | Ilan Duvdevani, Evelyn N. Drake, Warren A. Thaler | 1995-07-25 |
| 5256181 | Coatings with ionically and covalently crosslinked sulfonated polymers | Evelyn N. Drake, Warren A. Thaler, Edward N. Kresge, Chester W. Elspass, Albert Geiger +1 more | 1993-10-26 |
| 5204183 | Composition comprising polymer encapsulant for sealing layer encapsulated substrate | Lee A. McDougall, John C. Newlove, Evelyn N. Drake | 1993-04-20 |
| 5192615 | Composition comprising encapsulated substrate and thermoplastic polymer overcoating | Lee A. McDougall, John C. Newlove, Evelyn N. Drake | 1993-03-09 |
| 5190797 | Coating a substrate with an ionomer | Warren A. Thaler, Cruise K. Jones, Evelyn N. Drake, Edward N. Kresge | 1993-03-02 |
| 5188654 | Coatings with ionically and covalently crosslinked neutralized carboxylated polymers | Evelyn N. Drake, Warren A. Thaler, Edward N. Kresge, Chester W. Elspass, Albert Geiger +1 more | 1993-02-23 |
| 5187011 | Composition comprising encapsulated substrate with thermoplastic polymer overcoating | Evelyn N. Drake, Edward N. Kresge, Warren A. Thaler, Lee A. McDougall, John C. Newlove +2 more | 1993-02-16 |
| 5110486 | Breaker chemical encapsulated with a crosslinked elastomer coating | Evelyn N. Drake, Edward N. Kresge, Warren A. Thaler, Lee A. McDougall, John C. Newlove +2 more | 1992-05-05 |
| 5102559 | Encapsulated breaker chemical with a multi-coat layer urea | Lee A. McDougall, John C. Newlove, Evelyn N. Drake | 1992-04-07 |
| 5102558 | Encapsulated breaker chemical | Lee A. McDougall, John C. Newlove, Evelyn N. Drake | 1992-04-07 |
| 5006147 | Biodegradable barrier films of ionomer polymer | Warren A. Thaler, Evelyn N. Drake, Robert D. Lundberg | 1991-04-09 |
| 4997470 | Biodegradable barrier films of ionomer polymer | Warren A. Thaler, Evelyn N. Drake, Robert D. Lundberg | 1991-03-05 |
| 4988377 | Coatings with sulfonated polymers | Warren A. Thaler, Evelyn N. Drake, Israel S. Pasternak | 1991-01-29 |
| 4979980 | Biodegradable barrier films of ionomer polymer | Warren A. Thaler, Evelyn N. Drake, Robert D. Lundberg | 1990-12-25 |
| 4970117 | Coatings with neutralized carboxylated polymers | Ilan Duvdevani, Evelyn N. Drake | 1990-11-13 |
| 4801498 | Substrates coated with neutralized carboxylated polymers | Ilan Duvdevani, Evelyn N. Drake | 1989-01-31 |
| 4788081 | Biodegradable coatings of ionomer polymer | Warren A. Thaler, Evelyn N. Drake, Robert D. Lundberg | 1988-11-29 |
| 4741956 | Biodegradable coatings of ionomer polymer | Warren A. Thaler, Evelyn N. Drake, Robert D. Lundberg | 1988-05-03 |
| 4701204 | Composite comprising a substrate coated with polymeric complexes | Ilan Duvdevani, Evelyn N. Drake, Warren A. Thaler | 1987-10-20 |
| 4269955 | Catalyst composition polymerization of isoolefins and multiolefins | Joseph Wagensommer | 1981-05-26 |