CA464947A (en )1950-05-09 Process for preparing amino-1,4-dioxo-tetrahydrophthalazines CA465579A (en )1950-05-30 Process for preparing catalysts CA462290A (en )1950-01-03 Process for preparing d-ribose-2-nitro-4,5-dimethylanilide AU150298B2 (en )1950-04-06 Process for preparing pure, well-crystallized hexanitrodiphenylamine AU3230450A (en )1950-04-06 Process for preparing pure, well-crystallized hexanitrodiphenylamine CA465897A (en )1950-06-13 Process for preparing sulphonamides CA465219A (en )1950-05-23 Chuck CA463413A (en )1950-02-28 Process for producing aluminum-brasses CA462559A (en )1950-01-17 Process for preparing rubber-like materials AU149419B2 (en )1950-04-20 Bitumen-treating, agent CA463886A (en )1950-03-21 Catalytic process CA479349A (en )1951-12-11 Processes of preparing amino substituted 2-alkyloxy, 5-aminopyridine CA479350A (en )1951-12-11 Processes of preparing amino substituted 2-alkyloxy, 5-aminopyridine CA469917A (en )1950-12-05 2,2,4-trichlorobutyramide CA466865A (en )1950-07-25 Polymerization process AU146080B2 (en )1950-11-02 Process for making fenders CA472937A (en )1951-04-17 1-dicarbalkoxymethyl-2-alkyl-1,2-dihydroisoquinones CA467897A (en )1950-09-05 3-keto-4-acylamido-tetrahydrothiophenes and processes for preparing the same CA466566A (en )1950-07-11 .DELTA.5-PREGNENOL-20-(.alpha.) AND PROCESS FOR PREPARING THE SAME CA465570A (en )1950-05-30 Coremaking machine CA463838A (en )1950-03-21 Templet-following machine CA464710A (en )1950-04-25 Box-stapling machine CA465079A (en )1950-05-16 Collet-operating machine CA462435A (en )1950-01-17 Glove-ironing machine CA466589A (en )1950-07-11 Fishhook-making machine