Issued Patents 1982
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357342 | 1-Azabicyclo[3.2.0]heptan-3,7-dione-2-carboxylic acid | Ronald W. Ratcliffe | 1982-11-02 |
| 4356120 | 3-(1-Hydroxyethyl)-4-(but-2-ene)-azetidin-2-one and derivatives | Ronald W. Ratcliffe, Thomas N. Salzmann | 1982-10-26 |
| 4350631 | 6- and 4-Substituted-1-azabicyclo[3.2.0]heptan-3,7-dione-2-carboxylates | David H. Shih | 1982-09-21 |
| 4348320 | Substituted azetidiones | F. Aileen Bouffard, David B. R. Johnston | 1982-09-07 |
| 4347368 | 3 -Substituted-6-substituted-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxyl ic acid | David B. R. Johnston, Susan M. Schmitt | 1982-08-31 |
| 4347367 | 3-Substituted-6-(1'-hydroxyethyl)-7-oxo-1-azabicyc lo[3.2.0]-hept-2-ene-2-carboxylic acid | David B. R. Johnston, Susan M. Schmitt | 1982-08-31 |
| 4343937 | 3-Substituted-7-methoxy-7-amino-3-cephem-4-carboxylic acids | Sandor Karady, Lovji D. Cama, Meyer Sletzinger | 1982-08-10 |
| 4342869 | Cephalosporin antibiotics | Sandor Karady, Lovji D. Cama, Meyer Sletzinger | 1982-08-03 |
| 4342757 | Cephalosporin antibiotic compositions | Sandor Karady, Lovji D. Cama, Meyer Sletzinger | 1982-08-03 |
| 4341706 | Process for the preparation of carbapenem antibiotics | David H. Shih | 1982-07-27 |
| 4341791 | 6-, 2- and 1,1-Disubstituted-1-carbadethiapen-2-em-3-carboxylic acid S-oxides | David H. Shih | 1982-07-27 |
| 4338438 | Cephalosporin antibiotics | Sandor Karady, Lovji D. Cama, Meyer Sletzinger | 1982-07-06 |
| 4338437 | Cephalosporin antibiotics | Sandor Karady, Lovji D. Cama, Meyer Sletzinger | 1982-07-06 |
| 4335043 | Substituted N-methylene derivatives of thienamycin | William J. Leanza, Kenneth J. Wildonger | 1982-06-15 |
| 4324890 | Cephalosporin intermediates | Sandor Karady, Lovji D. Cama, Meyer Sletzinger | 1982-04-13 |
| 4321197 | 1-Carba-6-(1-hydroxyethyl)-2-carbonyl-penem-3-carboxylic acid and preparation thereof | Lovji D. Cama, Ravindra N. Guthikonda | 1982-03-23 |
| 4318912 | 6-(1-Hydroxyethyl)-3-substituted-1-azabicyclo(3.2.0)-hept-2-en-7-one-2-ca rboxylic acid | Ronald W. Ratcliffe | 1982-03-09 |
| 4312871 | 6-, 1- And 2-substituted-1-carbadethiapen-2-em-3-carboxylic acids | David H. Shih | 1982-01-26 |
| 4311704 | Substituted N-methylene derivatives of thienamycin | William J. Leanza, David H. Shih, Kenneth J. Wildonger | 1982-01-19 |
| 4310538 | 3-Halo-1-azabicyclo[3.2.0]hept-2-en-7-one-2-carboxylic acid | Ronald W. Ratcliffe | 1982-01-12 |
| 4309346 | Process for the preparation of 1-carbapenems and intermediates via trithioorthoacetates | Ronald W. Ratcliffe, Thomas N. Salzmann | 1982-01-05 |
| 4309438 | N-Alkyl-N-iminomethyl derivatives of thienamycin | William J. Leanza, Kenneth J. Wildonger | 1982-01-05 |