Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5334785 | Process for the manufacture of 1,1,1,2-tetrafluoroethane | Li Wang, Timothy J. Barder, Russell W. Johnson, Blaise J. Arena | 1994-08-02 | $4,646,000 |
| 5292706 | Preparing carbon molecular sieves of increased density | Chin-Hsiung Chang, Li Wang | 1994-03-08 | $3,848,000 |
| 4443611 | Liquid phase preparation of 2-H-2-oxazolines and 2-substituted-2-oxazolines | — | 1984-04-17 | $3,917,000 |
| 4354029 | Preparation of 2-substituted-2-oxazolines with organic zinc salt catalysts | David L. Larson | 1982-10-12 | $3,847,000 |
| 4203900 | Process for preparing 2-oxazolines | — | 1980-05-20 | $5,959,000 |
| 4195154 | Novel 2-amido- or 2-amino-alkyl ethers of polyhydric polyphenols and process for preparing same | Harry Smith | 1980-03-25 | $6,926,000 |