|
RU2159666C1
|
|
Method of cleaning industrial gas emissions
|
|
RU2140811C1
|
|
Method of cleaning of industrial gas effluents from organic oxygen-containing compounds
|
|
RU2120433C1
|
|
Method of processing phenolic resin obtained in phenol and acetone production by cumene method
|
|
RU2083546C1
|
|
Process of treating phenol resin in manufacture of phenol and acetone by cumene method
|
|
RU95109134A
|
|
Method of processing phenol tar
|
|
RU2072977C1
|
|
Method of thermic decomposition of high-boiling vat residue of bisphenol a distillation obtained by phenol and acetone condensation
|
|
RU2052461C1
|
|
Process for preparing wood antiseptics
|
|
RU2052460C1
|
|
Process for preparing wood antiseptics
|
|
RU2054429C1
|
|
Method for production of antiseptic agent for protection of wood
|
|
RU2032656C1
|
|
Process for recovery of phenol form phenol resin resulting from production of phenol and acetone by cumol method
|
|
RU2036889C1
|
|
Method of separation of catalyst splitting oily layer 4,4-dimethyldioxane-1,3 in isoprene production
|
|
RU2028285C1
|
|
Method of isobutenylcarbonyl isolation from the fraction of recurrent 4,4-dimethyldioxane-1,3
|
|
RU1554307C
|
|
Process for preparing formaldehyde
|
