Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3747Chemical news office., 1932 |
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Strona 82
... period of 3-6 months between publication and application is suggested , the period of validity being the interval between the dates of application and exploitation as a patentable process plus 16 years , the total not exceeding 25 years ...
... period of 3-6 months between publication and application is suggested , the period of validity being the interval between the dates of application and exploitation as a patentable process plus 16 years , the total not exceeding 25 years ...
Strona 87
... period of four days with one litre of a 5 per cent . by weight solution of sulphuric acid , then filtered through a Buchner funnel . 44.3 gms . of residue remained , and the balance of 56.7 gms . was dissolved in the acid filtrate ...
... period of four days with one litre of a 5 per cent . by weight solution of sulphuric acid , then filtered through a Buchner funnel . 44.3 gms . of residue remained , and the balance of 56.7 gms . was dissolved in the acid filtrate ...
Strona 91
... period of time . The remaining 51 per cent . consisted of an oily looking substance of an acidic nature as it was totally soluble in soda . When the acids were heated with calcium chloride under the same conditions , approxi- mately the ...
... period of time . The remaining 51 per cent . consisted of an oily looking substance of an acidic nature as it was totally soluble in soda . When the acids were heated with calcium chloride under the same conditions , approxi- mately the ...
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acid hydrolysis alcohol Algarite algarose alkaline aluminium ammonia amount analysed animal appearance application aqueous associated become boiling brown Building Bureau of Mines Burrell calcium called carbon caustic soda cent Chemical Chemistry chloroform College colour considerable constitution contained cures differs difficulties dissolved ether evolved extract FEBRUARY give heated Honolulu Oil important Industry insoluble INSTITUTE interest January known later lime liquid London manufacture material matter METALS Method naphthenic acids nature nil nil obtained Office Oil Co patent period placed pounds powder precipitate present probably produced protection pure pyridine quantities recently reduces remaining Report Research residue resulting rickets salts Sampled Science scientific property seaweed shown solid solu soluble solution Street substance sugars suggested sulphuric acid Theory tion top of oil Trade University vitamin volume weight worker yield zone