Issued Patents All Time
Showing 101–125 of 126 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4260627 | 1-, 6- And 2-substituted-1-carba-2-penem-3-carboxylic acids | David H. Shih | 1981-04-07 |
| 4260618 | 6-(1'-Hydroxyethyl)-2-substituted-pen-2-em-3-carboxylic acid | — | 1981-04-07 |
| 4258040 | Cephalosporin compounds | Ronald W. Ratcliffe | 1981-03-24 |
| 4255330 | Process for preparing 6-substituted amino-2-substituted-pen-2-em-3-carboxylic acid | Frank P. DiNinno | 1981-03-10 |
| 4235920 | N-Alkylated derivatives of thienamycin | Raymond A. Firestone, William J. Leanza | 1980-11-25 |
| 4235917 | N-Alkyl-N-acyl derivatives of thienamycin | William J. Leanza | 1980-11-25 |
| 4234596 | 3-(2-Aminoethyl thio)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid | David B. R. Johnston, Susan M. Schmitt | 1980-11-18 |
| 4232036 | 6-, 1- and 2-Substituted-1-carbadethiapen-2-em-3-carboxylic acids | David H. Shih | 1980-11-04 |
| 4232030 | Substituted N-methylene derivatives of thienamycin sulfoxide and sulfone | William J. Leanza, Kenneth J. Wildonger | 1980-11-04 |
| 4226870 | O-, N- and carboxyl derivatives of thienamycin | John Hannah, William J. Leanza, Ronald W. Ratcliffe, David H. Shih | 1980-10-07 |
| 4226866 | Novel antibiotic analogues of cephalosporins | Ronald W. Ratcliffe | 1980-10-07 |
| 4224336 | 3-(2-Aminoethylthio)-6-amido-7-oxo-1-azabicyclo[3.2.0]- hept-2-ene-2-carboxylic acid | Ravindra N. Guthikonda, David B. R. Johnston, Susan M. Schmitt | 1980-09-23 |
| 4219462 | 6-Methyl penicillins | Lovji D. Cama | 1980-08-26 |
| 4218459 | 6-Amido-1-carba-2-penem-3-carboxylic acid | Lovji D. Cama, Ravindra N. Guthikonda | 1980-08-19 |
| 4218462 | 6-(1-Hydroxyethyl)-2-(2-aminoeth ylthio)-1-substituted-1-carbade-thiapen-2-em-3-carboxylic acids | David H. Shih | 1980-08-19 |
| 4218463 | 3-Substituted thio-6-amido-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid | Ravindra N. Guthikonda, David B. R. Johnston, Susan M. Schmitt | 1980-08-19 |
| 4217453 | 6-Amido-3-substitu ted-amino-1-azabicyclo[3.2.0]hept-2-en-7-one-2-carboxylic acid | Ravindra N. Guthikonda, Ronald W. Ratcliffe | 1980-08-12 |
| 4215124 | 6 Substituted amino-2-substituted-pen-2-em-3-carboxylic acid | Frank P. DiNinno | 1980-07-29 |
| 4208330 | O-Derivatives of thienamycin | William J. Leanza | 1980-06-17 |
| 4208422 | 1-Substituted-pen-2-em-3-carboxylic acids | David H. Shih | 1980-06-17 |
| 4207323 | 6-Substituted methyl penicillins, derivatives and analogues thereof | Thomas R. Beattie, Frank P. DiNinno | 1980-06-10 |
| 4206219 | 6- and 1-Substituted-1-carbadethiapen-2-em-3-carboxylic acid | David H. Shih | 1980-06-03 |
| 4196211 | 6-(.alpha.-Hydroxy ethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid and derivatives thereof | David H. Shih | 1980-04-01 |
| 4194047 | Substituted N-methylene derivatives of thienamycin | William J. Leanza, Kenneth J. Wildonger | 1980-03-18 |
| 4189493 | N-heterocyclic derivatives of thienamycin | John Hannah, David H. Shih | 1980-02-19 |