| 5700933 |
Chiral intermediates for the preparation of carbacephems |
Lowell D. Hatfield, Richard C. Hoying, James E. Ray |
1997-12-23 |
| 5644051 |
Intermediates for the preparation of carbacephems |
Lowell D. Hatfield, Richard C. Hoying, James E. Ray |
1997-07-01 |
| 5521307 |
Methods and compounds for the preparation of carbacephems |
Lowell D. Hatfield, Richard C. Hoying, James E. Ray |
1996-05-28 |
| 5302711 |
Ester cleavage process for use with .beta.-lactams |
Kristina M. Thomas |
1994-04-12 |
| 4271305 |
Thiazolinoazetidinones and process therefor |
Lowell D. Hatfield, Larry C. Blaszczak |
1981-06-02 |
| 4237279 |
Crystalline 3-hydroxycephalosporin solvates |
— |
1980-12-02 |
| 4230644 |
Halogenating reagents |
Lowell D. Hatfield, Larry C. Blaszczak |
1980-10-28 |
| 4226986 |
Process for halogenation of .beta.-lactam compounds |
Lowell D. Hatfield, Larry C. Blaszczak |
1980-10-07 |
| 4211702 |
Process for preparation of penicillin and cephalosporin imino halides |
Lowell D. Hatfield, Larry C. Blaszczak |
1980-07-08 |