Chemical News and Journal of Industrial Science, Tomy 125-126Chemical news office., 1923 |
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... PATENT GRINDING - SIFTING MILLS . All communications to Head Office- IMPERIAL HOUSE , KINGSWAY , LONDON , Telegrams and Cables : " CINERARY , LONDON . " W.C. Telephone : REGENT 789 . FRANCE & BELGIUM : P.G. Paris , 8 Rue Nouvelle ...
... PATENT GRINDING - SIFTING MILLS . All communications to Head Office- IMPERIAL HOUSE , KINGSWAY , LONDON , Telegrams and Cables : " CINERARY , LONDON . " W.C. Telephone : REGENT 789 . FRANCE & BELGIUM : P.G. Paris , 8 Rue Nouvelle ...
Strona 2
... patent , but extraction was still used for purification , and the yields and results . were the same as those just described . It was therefore concluded that the claim that the use of napthalene increases the yield is unfounded , its ...
... patent , but extraction was still used for purification , and the yields and results . were the same as those just described . It was therefore concluded that the claim that the use of napthalene increases the yield is unfounded , its ...
Strona 3
... patent method for preparing " Rosenkör- per . 75 It was hoped that in this re- action , if it occurred at all , the hydrogen sulphide formed would reduce the nitro group to the amine , otherwise a final re- duction would be necessary ...
... patent method for preparing " Rosenkör- per . 75 It was hoped that in this re- action , if it occurred at all , the hydrogen sulphide formed would reduce the nitro group to the amine , otherwise a final re- duction would be necessary ...
Strona 14
... Patents . THIS list is specially compiled for Chemical News by Messrs . Rayner & Co. , Registered Patent Agents , of 5 , Chancery Lane , London , from whom all information relating to Patents , Trade Marks , and Designs , can be ...
... Patents . THIS list is specially compiled for Chemical News by Messrs . Rayner & Co. , Registered Patent Agents , of 5 , Chancery Lane , London , from whom all information relating to Patents , Trade Marks , and Designs , can be ...
Strona 15
... Patents 31 32 T. TYRER & Co. , Ltd. Stirling Chemical Works , STRATFORD , LONDON , E. Telephone : MARYLAND 2510 , 2511 . CHEMICALS for Analysis . Research , and Technical Purposes TECHNICAL EXPERIMENTS carried out on a MANUFACTURING ...
... Patents 31 32 T. TYRER & Co. , Ltd. Stirling Chemical Works , STRATFORD , LONDON , E. Telephone : MARYLAND 2510 , 2511 . CHEMICALS for Analysis . Research , and Technical Purposes TECHNICAL EXPERIMENTS carried out on a MANUFACTURING ...
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acid action added amount ANALYTICAL BALANCE appears application atoms British carbon carried cent Chem Chemical Chemistry chloride colloidal colour complete compounds considerable containing Continued course crystals described determined direct effect elements Engineers experiments fact further give given glucose heat important increase industry Institute interest iron LABORATORY lead less light liquid London manufacture March material matter means meeting ment metal method nature observed obtained organic oxide passed Patents plant position possible potassium practically precipitate prepared present Price Prof published pure quantities reaction referred regard salt Science separation shown Society sodium solution specific steel structure substance sulphuric temperature tion Trade tube University various volume weight