O'Brien; Dennis E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for O'Brien; Dennis E..The latest application filed is for "apparatus and methods for separating butene-1 from a mixed c4 feed".
- O'Brien; Dennis E. - Arlington Heights IL
- O'Brien; Dennis E. - Houston TX
- O'Brien; Dennis E. - Katy TX
| Patent | Date |
|---|---|
| Process for recovering thermal energy from a reactor effluent stream Grant 7,687,677 - O'Brien , et al. March 30, 2 | 2010-03-30 |
| Apparatuses and methods for separating butene-1 from a mixed C.sub.4 feed Grant 7,528,290 - Zimmermann , et al. May 5, 2 | 2009-05-05 |
| Apparatus and Methods for Separating Butene-1 from a Mixed C4 Feed App 20080161618 - Zimmermann; Joseph E. ; et al. | 2008-07-03 |
| Alkylbenzene refining process and apparatus Grant 7,339,088 - O'Brien , et al. March 4, 2 | 2008-03-04 |
| Dividing wall distillation column control apparatus Grant 7,267,746 - Harris , et al. September 11, 2 | 2007-09-11 |
| Alkylaromatic process with removal of aromatic byproducts using efficient distillation Grant 6,762,334 - Stewart , et al. July 13, 2 | 2004-07-13 |
| Integrated fractional distillation for adsorptive separation process Grant 6,483,002 - O'Brien November 19, 2 | 2002-11-19 |
| Alkylaromatic process using efficient prefractionation Grant 6,479,720 - O'Brien , et al. November 12, 2 | 2002-11-12 |
| Alkylaromatic process with removal of aromatic byproducts using efficient distillation Grant 6,417,420 - Stewart , et al. July 9, 2 | 2002-07-09 |
| Alkylaromatic process using a solid alkylation catalyst and a benzene rectifier Grant 6,069,285 - Fritsch , et al. May 30, 2 | 2000-05-30 |
| Well treating fluid Grant 4,568,392 - Dawson , et al. February 4, 1 | 1986-02-04 |
| Method of using a well treating fluid Grant 4,397,354 - Dawson , et al. August 9, 1 | 1983-08-09 |
| Temperature profile monitoring method and apparatus Grant 4,384,793 - O'Brien May 24, 1 | 1983-05-24 |
| Catalytic dehydrogenation process Grant 4,381,418 - Gewartowski , et al. April 26, 1 | 1983-04-26 |
| Process for polymeric gelation Grant 4,361,658 - Lundberg , et al. November 30, 1 | 1982-11-30 |
| Process for controlled gelation of polymeric solution (C-669) Grant 4,282,130 - Lundberg , et al. August 4, 1 | 1981-08-04 |
| Method of treating a borehole using gellable polymers Grant 4,183,406 - Lundberg , et al. January 15, 1 | 1980-01-15 |
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