METHOD OF PREPARING COMPOSITION FOR ANTICORROSION PROTECTION OF CONCEALED SECTIONS OF CAR BODIES Russian patent published in 2000 - IPC

FIELD: anticorrosion protection of concealed sections of car bodies, more particularly preparation of autopreservatives. SUBSTANCE: method comprises first preparing cyclohexanone-formaldehyde resin based on 19 g of cyclohexanone, 20.4 g of oil and 10 g of formaldehyde. 8 parts of ceresine and 50 g of solvent (gasoline or white spirit) are then added to 45 g of the resulting resin at 80 C. The claimed method makes it possible to reduce toxicity of autopreservatives, cost price of the product and cut down consumption of stock during manufacturing process thereof. EFFECT: more efficient preparation method. 1 ex, 1 tbl