| Patent No. | Patent Title: |
| 4158004 | Process for antibiotic FR 1923 and related compounds |
| 4136176 | O-alkyl-O-[6-substituted-thio-pyridazin-3-yl]-(thiono) (thio... |
| 4134978 | O-Alkyl-O-[8-chloro-quinoxal-2-yl]-thionoalkanephosphonic acid es... |
| 4133814 | 2-Phenyl-3-aroylbenzothiophenes useful as antifertility agents |
| 4133881 | Azetidinyl acetonitrile and acetamide antiarrhythmia compositions... |
| 4133807 | 4-Thioxo-2-azetidinones |
| 4132542 | Organic(thio) phosphoric acid ester compounds and herbicidal comp... |
| 4132708 | Metal complexes of azomethines and process for their manufacture |
| 4131610 | Iminodiimides of 3,3',4,4'-benzophenonetetracarboxylic dianhydrid... |
| 4130557 | Method for the hydrolysis of azetidinothiazoline compounds |
| 4128716 | 4-Halo derivatives of pyrazolo[1,5-a]-quinoxaline-3-carboxylic ac... |
| 4128717 | Derivatives of 5,6-dihydrobenzo[5,6]cyclohepta[1,2-B]pyrazol... |
| 4128546 | Process for the purification of FR-1923 substance |
| 4127568 | Process for 3ଲ-aminoazetidin-2-ones |
| 4125609 | O-alkyl-O-[1,6-dihydro-1-substituted-6-thioxopyridazin(3)yl]-(thi... |
| 4125725 | Phenylated carboxyquinoxalines |
| 4125536 | Pyrolysis product of N-substituted-1-cyclohexene-1,2-dicarboximid... |
| 4123527 | N-tricyclic derivatives of azetidine and process for their prepar... |
| 4122185 | 2-Phenyl- and 2-benzyl-N-[(trichloromethyl)thio]succinimides, and... |
| 4122258 | Process for producing desacetoxycephalosporin derivatives by heat... |
| 4119636 | Preparation of acyclic and alicyclic N-substituted halo-2-pyrroli... |
| 4117122 | 11-Aminoalkylmorphanthridin-11-ols |
| 4116933 | Hindered piperidine carboxylic acids, metal salts thereof and sta... |
| 4115382 | 3,3-Dichloro-2-azetidinone derivatives having basic substituents |
| 4115399 | Preparation of catalyst for the polymerization of 2-pyrrolidone |
| 4115383 | Alkoxycarbonyl-ethylthio-azetidinones and process for their prepa... |
| 4115386 | Perylene-3,4,9,10-tetracarboxylic acid diimide pigment, its manuf... |
| 4115384 | N-cyanoaziridines |
| 4111947 | Novel metal complexes of azomethines and process for their manufa... |
| 4112081 | O,O-Di-alkyl-O-(1-6-pyridazinon-3-yl)-(thiono)-phosphoric acid es... |
| 4112095 | 6-Phenyl-1,2,4-triazolo[4,3-b]pyridazine hypotensive agents |
| 4111935 | 3-Chloro-6-phenylpyridazine compounds |
| 4111937 | Iodinated anilic acids |
| 4112080 | O-alkyl-S-[1,6-dihydro-6-oxo-pyridazin(1)ylmethyl]-(thiono )-... |
| 4111936 | Pyridazinethiones |
| 4112088 | 7-Acyl-3-(sulfoalkyl substituted oxadiazolylthiomethyl) cephalosp... |
| 4110105 | Aromatic N-substituted halo-substituted-2-pyrrolidinones and thei... |
| 4110329 | Metallic derivatives of neopinone ketal |
| 4105657 | Production of N-alkyl derivatives of cyclic alkylenimines |
| 4105658 | Neothramycin antibiotics |
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