Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7345177 | Vapor phase catalytic chlorination of β-picoline | Kent D. Campbell, Dana Alan Livingston, Kenneth Michael Larson, Brian J. Schoeman, Steven R. Lakso | 2008-03-18 |
| 6794513 | Preparation of 3,6-dichloro-2-trichloromethylpyridine by vapor phase chlorination of 6-chloro-2-trichloromethylpyridine | Dana Alan Livingston, Kenneth Michael Larson, Brian J. Schoeman | 2004-09-21 |
| 5888434 | Process for making a microporous membrane from a blend containing a poly (phenylene sulfide) polymer, an amorphous polymer, and optionally a solvent | Robert D. Mahoney, Jiro Kawamoto, Richard A. Lundgard, Mark F. Sonnenschein, H. Nelson Beck | 1999-03-30 |
| 5246647 | Process of making microporous hollow fiber or film membrane of poly(phenylene sulfide) (PPS) | Henry N. Beck, Robert D. Mahoney, Chieh-Chun Chau, Timothy M. Finney, Ritchie A. Wessling +2 more | 1993-09-21 |
| 5227101 | Process of making microporous membranes from poly(etheretherketone)-type polymers and low melting point crystallizable polymers | Robert D. Mahoney, H. Nelson Beck, Richard A. Lundgard, Jiro Kawamoto, Mark F. Sonnenschein | 1993-07-13 |
| 5015275 | Isotropic microporous syndiotactic polystyrene membranes and processes for preparing the same | Henry N. Beck, Robert D. Mahoney, Richard A. Lundgard | 1991-05-14 |
| 4980101 | Anisotropic microporous syndiotactic polystyrene membranes and a process for preparing the same | Henry N. Beck, Robert D. Mahoney, Richard A. Lundgard | 1990-12-25 |
| 4975228 | Process for preparing membranes from tetrahalobisphenol polycarbonates | Edgar S. Sanders, Jr., Henry N. Beck | 1990-12-04 |