| Patent No. | Patent Title: |
| 4548818 | Composition and methods for the treatment of chronic obstructive ... |
| 4520194 | Cephalosporins |
| 4518754 | Imido copolymers |
| 4518755 | Imido copolymers |
| 4517361 | Cephalosporin derivatives |
| 4515945 | N-Alkyl-4-(4-pyridinyl)isatoic anhydrides |
| 4515795 | Pharmaceutical compositions |
| 4515956 | Selective preparation of isomers and enantiomers of cyclopropane ... |
| 4515788 | Cephem compounds |
| 4515789 | ଲ-Lactam antibiotics |
| 4514403 | Hydrouracil compounds |
| 4510138 | 7-[2-(2-Aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]cephalos... |
| 4509972 | N-Pteridinyl-ureas |
| 4507299 | N-[2-amino-5-halo-6-(substituted)-3-pyrazinyl)-methylene]amine ... |
| 4507293 | Antimicrobial cephem compounds |
| 4507298 | 6-{4-(ω-(1-imidazolyl)-alkyl-phenyl}-3-oxo-2,3,4,5-tetrahydro- ... |
| 4506076 | Amino or amido-thiazolyl, substituted oxyimino disubstituted acet... |
| 4504481 | Benzhydrylpiperazine derivatives, process for their preparation a... |
| 4504478 | Cephalosporin-1-oxide derivatives |
| 4503221 | Process for cephalosporanic acid derivatives and intermediate the... |
| 4501741 | Cephalosporin antibiotics |
| 4501743 | Iminothiazolyl ureido cephalosporins |
| 4500709 | Thiinyl and oxothiolyl derivatives |
| 4500716 | Intermediate products for the preparation of Z-cephalosporins |
| 4500711 | Synthesis of leucovorin |
| 4500539 | Insecticidal 5-thiocarbamoyl-1,3,4-oxadiazoles |
| 4499098 | Insecticidal N-carbamoyl-oxadiazolidin-5-ones and thiones |
| 4499088 | Cephem compounds |
| 4497814 | 2-(Pyridinyl)-1,2,4-triazolo[1,5-a]pyrimidines and derivatives us... |
| 4497815 | 1-(N-Substituted carbamoyl)-5-fluorouracil derivatives and the ... |
| 4497809 | Cephalosporin derivatives |
| 4497651 | Dichloroquinoline derivatives for use as herbicides |
| 4496720 | Preparation of thioethers |
| 4496722 | Reporter compounds |
| 4495186 | Organometal complexes of N-cyclohexyl-piperazino acetamides or ... |
| 4493833 | Syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compou... |
| 4492699 | Triazolobenzodiazepine derivatives |
| 4492792 | Process for preparing 4-amino-5-dialkoxy-methylpyrimidine derivat... |
| 4492694 | Indolylglycyl cephalosporin derivatives |
| 4492693 | Benzothienylglycyl cephalosporin derivatives |
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