Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9527950 | Reciprocating-plate column reactor for epoxidation of epoxy resins | William G. Worley, Robert M. Drake | 2016-12-27 |
| 9469720 | Epdxy resin production | Jesus A. Atias, Philip J. Carlberg, Ravindra S. Dixit, Robert M. Drake, Dan Tirtowidjojo +2 more | 2016-10-18 |
| 8932976 | Preparation of catalyst for bisphenols production | David R. Brooks | 2015-01-13 |
| 8907137 | Epoxy resin production | Philip J. Carlberg, Tina L. Arrowood, Ernesto Occhiello, Paul R. Elowe, Jason C. MacDonald | 2014-12-09 |
| 8742055 | Production of epoxy resins using improved ion exchange resin catalysts | Philip J. Carlberg, H. Robert Goltz, Leming Gu, William I. Harris, David H. West +1 more | 2014-06-03 |
| 8466257 | Process and apparatus for purifying solid salt compositions | Ha Q. Pham, Shuji Maeda | 2013-06-18 |
| 8461286 | Process for manufacturing liquid epoxy resins | Clinton J. Boriack, Elwin G. Collier, Robert M. Drake, Joachim Drewing, Edward Kronenberger +5 more | 2013-06-11 |
| 8143456 | Method of reducing methanol in recycle streams in bisphenol-A production process | Michael D. Cloeter, Mark E. Busbice | 2012-03-27 |
| 7923586 | Method for stabilizing a cation exchange resin prior to use as an acid catalyst and use of said stabilized cation exchange resin in a chemical process | James R. Stahlbush, Harlan Robert Goltz, Edward Alan Fraini | 2011-04-12 |
| 7067704 | Process for purifying bisphenol-a | Damian Feord, Johann-Wilhelm Frey | 2006-06-27 |
| 5863610 | Process for depositing a fluorocarbonsulfonic ionomer on a support and articles prepared therewith | Carl H. Penner | 1999-01-26 |
| 5837032 | Gas separations utilizing glassy polymer membranes at sub-ambient temperatures | David J. Moll, Alan F. Burmester, Kent B. McReynolds, James E. Clark, Charles Hotz +7 more | 1998-11-17 |
| 5679133 | Gas separations utilizing glassy polymer membranes at sub-ambient temperatures | David J. Moll, Alan F. Burmester, Kent B. McReynolds, James E. Clark, Charles Hotz +7 more | 1997-10-21 |
| 5352272 | Gas separations utilizing glassy polymer membranes at sub-ambient temperatures | David J. Moll, Alan F. Burmester, Kent B. McReynolds, James E. Clark, Charles Hotz +7 more | 1994-10-04 |
| 5282964 | Boreside feed hollow fiber membrane device | Terrence L. Caskey, Johnny L. Trimmer, George E. Mahley, III, Randall A. Yoshisato, John A. Jensvold | 1994-02-01 |
| 4615716 | Process for producing ultra high purity oxygen | Thomas E. Cormier, Bruce K. Dawson, Keith Wilson | 1986-10-07 |