Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1965/22A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
L AZOTE FRANCAIS SOC
Original Assignee
L AZOTE FRANCAIS SOC
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Publication date
Application filed by L AZOTE FRANCAIS SOCfiledCriticalL AZOTE FRANCAIS SOC
Publication of GB174599ApublicationCriticalpatent/GB174599A/en
Stable granules of calcium cyanamide are made by making a homogeneous paste with about 15-20 per cent of water while avoiding too great a rise of temperature and moulding under very high pressure by passing the paste between two rollers rotating in opposite directions, one roller being perforated with a number of holes which may advantageously decrease in size from outside to inside. The cynamide is forced through the holes and breaks off into pieces on the inside. They are allowed to harden in thin layers. Instead of water, a strong solution of calcium nitrate may be used to make the paste, in order to increase the nitrogen content of this product. Specification 151,989 is referred to.
GB1965/22A1921-01-251922-01-23Process for the production of granules of cyanamide with a high nitrogen content
ExpiredGB174599A
(en)
A procedure for the polycondensation of acid amidas alquiliden-alquiliden and aralquiliden-bis-halºgenocarboxºlico (Machine-translation by Google Translate, not legally binding)
A procedure for the obtaining of cellulose based on starting materials containing cellulose (Machine-translation by Google Translate, not legally binding)