US2521812A
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Ester derivatives of chloromethyl dihydrosafrol
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US2521811A
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Amine derivatives of chloromethyl dihydrosafrol
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US2521813A
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Sulfhydryl derivatives of chloromethyl dihydrosafrol
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US2550737A
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Insecticidal composition containing pyrethrins and a synergist therefor
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US2556688A
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Pharmaceutical methionine composition
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US2496335A
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Dialkyl silane derivative of ricinoleic acid ester
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Trialkyl silane derivative of ricinoleic acid ester
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US2534629A
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Apparatus for manufacturing a continuous strip of solid alcohol
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US2558520A
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Production of acrolein from glycerol
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US2519903A
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Removal of the sodium salt of lignoceric acid and other materials from a tall oil soap
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US2547208A
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Method for the refining of tall oil soap
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US2541977A
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Flatting agent and method for the production thereof
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US2519906A
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Production of lactig acid esters
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US2496091A
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Method for the preparation of phenyl chloroformate
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GB632589A
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Production of insecticides and synergists
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US2485681A
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Methylenedioxyphenyl derivatives and method for the production thereof
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US2556084A
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Method for promoting growth of mold in grain stillage and use of same in the production of alcohol
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US2485680A
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Dihydrosafrol derivatives
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US2457957A
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Insecticidal composition of pyrethrins and 3, 4-oxymethylene-phenyl-1-butylglycol synergist
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US2505699A
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Insecticidal compositions containing pyrethrum extracts and piperonyl cyclohexenones
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