Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5952527 | Chiral aminophosphines | Fu-Yao Zhang | 1999-09-14 |
| 5919981 | Chiral aminophosphines | Fu-Yao Zhang | 1999-07-06 |
| 5886182 | Chiral pyridylphosphines and their application in asymmetric catalytic hydrogenation of 2-arylpropenoic acids | Cheng-Chao Pai | 1999-03-23 |
| 5756799 | Chiral phosphinites | Yao-Zhong Jiang, Ai-Qiao Mi, Ming Yan, Wen-Hao Hu | 1998-05-26 |
| 5233084 | Method for preparing .alpha.-arylpropionic acids | — | 1993-08-03 |
| 5202473 | Ruthenium-binap asymmetric hydrogenation catalyst | Scott A. Laneman | 1993-04-13 |
| 5202474 | Asymmetric catalytic hydrogenation of .alpha.-arylpropenoic acids | — | 1993-04-13 |
| 5198561 | Ruthenium-BINAP asymmetric hydrogenation catalyst | Scott A. Laneman | 1993-03-30 |
| 5144050 | Ruthenium(II)-BINAP diketonate complexes | Scott A. Laneman | 1992-09-01 |
| 5037636 | Fluoride stability in dicalcium phosphate dihydrate composition | — | 1991-08-06 |
| 5032389 | Zinc tripolyphosphate compounds as anticalculus and antiplaque agents | John R. Wiedemann, Samuel L. Hull | 1991-07-16 |
| 4994607 | Asymmetric catalytic hydrogenation of .alpha.-arylpropenic acids | — | 1991-02-19 |
| 4912255 | Process for preparing sodium phenylpyruvate from calcium phenylpyruvate | — | 1990-03-27 |
| 4870208 | Asymmetric hydrogenolysis of epoxides | James P. Coleman, Grace M. Wagner | 1989-09-26 |
| 4678662 | Pyrophosphate coating process for calcium carbonate dental abrasives | — | 1987-07-07 |
| 4633015 | Production of adipic acid from 1,4-disubstituted-2-butene | Donald E. Morris | 1986-12-30 |
| 4611082 | Production of hex-3-enedioate esters from 1,4 dialkoxy butenes | Donald E. Morris | 1986-09-09 |
| 4477685 | Hydroformylation process to prepare glycolaldehydes | — | 1984-10-16 |
| 4405814 | Hydroformylation of formaldehyde with rhodium catalysts | W. Eamon Carroll | 1983-09-20 |