Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6081941 | Portable, self-contained toilet seat | — | 2000-07-04 |
| 5837032 | Gas separations utilizing glassy polymer membranes at sub-ambient temperatures | David J. Moll, Alan F. Burmester, Thomas C. Young, Kent B. McReynolds, James E. Clark +7 more | 1998-11-17 |
| 5679133 | Gas separations utilizing glassy polymer membranes at sub-ambient temperatures | David J. Moll, Alan F. Burmester, Thomas C. Young, Kent B. McReynolds, James E. Clark +7 more | 1997-10-21 |
| 5499964 | Speculum with smoke evacuation channel | J. Brian Noll, Michael D. Lynch | 1996-03-19 |
| 5352272 | Gas separations utilizing glassy polymer membranes at sub-ambient temperatures | David J. Moll, Alan F. Burmester, Thomas C. Young, Kent B. McReynolds, James E. Clark +7 more | 1994-10-04 |
| 5246647 | Process of making microporous hollow fiber or film membrane of poly(phenylene sulfide) (PPS) | Robert D. Mahoney, Hawk S. Wan, Chieh-Chun Chau, Timothy M. Finney, Ritchie A. Wessling +2 more | 1993-09-21 |
| 5200078 | Microporous membranes from poly(etheretherketone)-type polymers | Richard A. Lundgard, Robert D. Mahoney | 1993-04-06 |
| 5169893 | Mixtures containing stereoregular polystyrene | — | 1992-12-08 |
| 5071917 | High strength fibers of stereoregular polystrene | David R. Pederson, Peter E. Pierini, Mark J. Semer | 1991-12-10 |
| 5064580 | Process for making microporous membranes from poly(etheretherketone)-type polymers | Richard A. Lundgard, Robert D. Mahoney | 1991-11-12 |
| 5057600 | Process for forming an article comprising poly(etheretherketone) (PEEK) type polymers | Richard A. Lundgard | 1991-10-15 |
| 5043112 | Process for forming articles comprising poly(phenylene sulfide) (PPS) | — | 1991-08-27 |
| 5015275 | Isotropic microporous syndiotactic polystyrene membranes and processes for preparing the same | Robert D. Mahoney, Hawk S. Wan, Richard A. Lundgard | 1991-05-14 |
| 4980101 | Anisotropic microporous syndiotactic polystyrene membranes and a process for preparing the same | Robert D. Mahoney, Hawk S. Wan, Richard A. Lundgard | 1990-12-25 |
| 4976901 | Microporous membranes from isotactic polystyrene and syndiotactic polystyrene | Robert D. Mahoney | 1990-12-11 |
| 4975228 | Process for preparing membranes from tetrahalobisphenol polycarbonates | Edgar S. Sanders, Jr., Hawk S. Wan | 1990-12-04 |
| 4962131 | Composition useful in process for preparing powadir membranes from tetrahalobisphenol a polycarbonates | Edgar S. Sanders, Jr., G. Glenn Lipscomb, II | 1990-10-09 |
| 4955993 | Semi-permeable hollow fiber gas separation membranes possessing a non-external discriminating region | Edgar S. Sanders, Jr., John A. Jensvold, Daniel O. Clark, Frederick L. Coan, William E. Mickols +2 more | 1990-09-11 |
| 4927535 | Microporous membranes from isotactic polystyrene and syndiotactic polystyrene | Robert D. Mahoney | 1990-05-22 |
| 4904426 | Process for the production of fibers from poly(etheretherketone)-type polymers | Richard A. Lundgard | 1990-02-27 |
| 4897307 | Process for the solvent-induced crystallization of amorphous poly(etheretherketone)-type polymers and the article formed thereby | Robert M. Nowak | 1990-01-30 |
| 4772392 | Process for preparing POWADIR membranes from tetrahalobisphenol A polycarbonates | Edgar S. Sanders, Jr., Daniel O. Clark, John A. Jensvold, G. Glenn Lipscomb, II, Frederick L. Coan | 1988-09-20 |