Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 4386066 | Immunogenic complex from N. gonorrhoeae A vesicular, immunogenic, non-pyrogenic complex is obtained from isolates of N. gonorrhoeae by cultivating N. gonorrhoeae on a suitable nutrient medium; harvesting and centrifuging the cells; extracting the cell pellet with TRITON X-100 at alkaline pH; su... | 05/31/1983 |
| 4282365 | Dibenz[b,e]oxepin compounds Novel dibenz[b,e]oxepin derivatives are employed in the treatment and control of allergic conditions such as allergic asthma.... | 08/04/1981 |
| 4263207 | 10,11-Dihydrodibenzo[b,f][1,4]thiazepine carboxylic acids esters and amides thereof Novel dibenzo[b,f][1,4]thiazepine derivatives are employed in the treatment and control of allergic conditions such as allergic asthma.... | 04/21/1981 |
| 4196211 | 6-(-Hydroxy ethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid and derivatives thereof Disclosed are 6-(-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid and its 2,3-dihydro analogue, 6-(-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. Such compounds and their pharmaceutically acceptab... | 04/01/1980 |
| 4154845 | Derivatives of 6-aminopenicillanic acid Novel 6-methoxy and 6-thioalkyl-6-acylamido-penicillanic acids and their non-toxic pharmaceutically-acceptable salts, esters and amides which are useful as antibiotics. The products are prepared by treating an ester of 6-substituted-6-aminopenicillanic ac... | 05/15/1979 |
| 4150145 | N-alkylated derivatives of thienamycin sulfoxide and sulfone Disclosed are N-alkylated derivatives of thienamycin sulfoxide (I, n=1) and sulfone (I, n=2): ##STR1## wherein n=1 or 2; and R5, R6, and R7 are, inter alia, hydrogen or alkyl. Such compounds the their pharmaceutically... | 04/17/1979 |
| 4071529 | Derivatives of 6-aminopenicillanic acid Novel 6-methoxy and 6-thioalkyl-6-acylamidopenicillanic acids and their non-toxic pharmaceutically-acceptable salts, esters and amides which are useful as antibiotics. The products are prepared by treating an ester of 6-substituted-6-aminopenicillanic aci... | 01/31/1978 |
| 4069321 | Blocked cholecalciferol and dihydrotachysterol 3 derivatives Novel cholecalciferol and dihydrotachysterol3 derivatives produced against metabolic conversions at the 25-position, their preparation, pharmaceutical compositions, methods of treating steroid-induced osteoporosis, senile osteoporosis and secon... | 01/17/1978 |
| 4064236 | Peptide carbazates and pharmaceutical composition Certain novel peptide carbazates, their preparation, pharmaceutical compositions and novel methods of treating pancreatitis.... | 12/20/1977 |
| 4061759 | Ethenyl and ethynyl mercaptoalkyl pyridines Mercaptoalkylpyridines carrying an ethenyl or ethynyl substituent are prepared from known pyridine compounds, principally pyridoxine, by known chemical procedures, and are useful in the treatment of rheumatoid arthritis and related inflammatory diseases.... | 12/06/1977 |
| 4057642 | Acyl cyanoguanidines Certain novel acyl cyanoguanidines, their preparation, pharmaceutical compositions and novel methods of treating inflammation and autoimmune diseases such as rheumatoid arthritis are disclosed.... | 11/08/1977 |
| 4057637 | 5-Mercaptopyridoxine esters Mercaptoalkylpyridines and various derivatives thereof have utility in the treatment of rheumatoid arthritis. The compounds useful in the method of treatment are generally prepared from known pyridine derivatives and, principally, from pyridoxine and rela... | 11/08/1977 |
| 4056432 | Process for making paper products of improved dry strength Paper products exhibiting markedly improved dry strength properties are produced by adding to the cellulose paper dispersion a chitin-based compound comprising chitosan alone or a graft copolymer of certain acrylic and/or diallylic monomers grafted onto t... | 11/01/1977 |
| 4046905 | Anti-inflammatory, analgesic and antipyretic phenylacetic acids The invention relates to a novel class of 4-(benzoxazol-2-yl)phenylacetic acids, alcohols, esters, amides and the non-toxic pharmaceutically acceptable salts thereof and processes for their preparation. The invention further pertains to a class of (benzox... | 09/06/1977 |
| 4044049 | Phenyl benzoic acid compounds The invention relates to substituted 5-(phenyl)benzoic acid esters and non-toxic pharmaceutically accepted salts thereof and processes for their preparation. The substituted 5-(phenyl)benozic acids are useful as anti-inflammatory compounds. Also included ... | 08/23/1977 |
| 4038396 | Anti-inflammatory oxazole[4,5-b]pyridines The various isomers of oxazolo- and thiazolopyridines having utility as antiinflammatory, antipyretic and analgesic agents are prepared by condensation of an appropriate amino-hydroxypyridine or amino-mercaptopyridine with a carboxylic acid, halide or anh... | 07/26/1977 |
| 3992520 | Anti-fertility vaccine comprising solubilized zona pellucida and anti-serum A vaccine for immunological control of fertility is disclosed comprising solubilized mammalian zona pellucida; also disclosed are antisera specific against the antigenic mammalian zona pellucida; processes for the preparation of such vaccine and antisera;... | 11/16/1976 |
| 3992459 | Preparation of biphenyl compounds Biaryl coupling, particularly to form 2,4-difluorobiphenyl, is accomplished by diazotizing an aniline and coupling the benzenediazonium salt with a second aromatic component in the presence of a strong acid, an inert finely divided solid and copper powder... | 11/16/1976 |
| 3974272 | Palatable cholestyramine coacervate compositions Palatable oral coacervate compositions containing Cholestyramine and a Modified Gum selected from the group consisting of hydrophilic colloid of cellulosive material and charged anionic gum in an aqueous medium.... | 08/10/1976 |
| 3971797 | S,S'-bis(pyridylmethyl)-carbonodithioates S,S'-bis(pyridylmethyl)-carbonodithioates and derivatives thereof have utility in the treatment of rheumatoid arthritis. The compound useful in the method of treatment is prepared from known pyridine derivatives and, principally, from pyridoxine and relat... | 07/27/1976 |
| 3958017 | Beverage containing stabilized vitamin C and iron and method of making same Vitamin C in beverages such as natural and manufactured fruit and vegetable flavored drinks is stabilized by addition of controlled quantities of cysteine without adverse effects on taste. More especially, beverages containing both Vitamin C and metabolic... | 05/18/1976 |
| 3953374 | One-pass electroconductive coating color formulation One-pass electroconductive coating color formulations are achieved by incorporating into electroconductive coating color formulations an effective quantity of a perfluoroalkyl phosphate salt.... | 04/27/1976 |
