It has now been found that a mixture of methyl acetate, methyl ethyl ketone and mineral spirits along with a surfactant effectively dissolves fats and greases, and is especially useful for unclogging sewer lines.
申请公布号
US5118358(A)
申请公布日期
1992.06.02
申请号
US19900508237
申请日期
1990.04.11
申请人
UNIVERSITY OF SOUTH CAROLINA AND THE CITY OF COLUMBIA, SOUTH CAROLINA
发明人
VAN BRUNT, VINCENT;MCCALL, EUGENE C.;JOHNSON, JOHN R.
