| 摘要 |
1,209,399. Feed additives. DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT. 29 Nov., 1968 [1 Dec., 1967], No. 56664/68. Heading A2B. A storable, odourless feed concentrate contains urea and ammonium compounds and inert fillers wherein as fillers are used synthetically prepared highly dispersed silicon dioxide in pure form or in the form of a mixed oxide with aluminium oxide and/or in the form of a hydrophobized oxide, the fillers being used in 0.01 to 5% by weight. The concentrate may also contain bolus alba or kaolin and/or sulphur or inorganic or organic sulphur-containing compounds. The silicon dioxide may be in one of the following forms: pyrogenic, pyrogenic hydrophobic, wet-precipitated or wet-precipitated hydrophobic. |
