http://www.freshpatents.com/Distillation--apparatus-dtnewntc202.php USPTO Class 202 - Distillation: apparatus en-us Tue, 2 Dec 2008 00:08:27 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/Apparatus-for-producing-ethylbenzene-or-cumene-dt20081127ptan20080289946.php Tue, 2 Dec 2008 00:08:27 -0800 The apparatus includes an alkylation unit connected to a first benzene recycle conduit, a feed conduit and an alkylation effluent conduit; a transalkylation unit connected to an polyalkylbenzene recycle conduit, a second benzene recycle conduit, and a transalkylation effluent conduit. A dividing wall distillation column is in fluid communication with... http://www.freshpatents.com/Vacuum-still-dt20081127ptan20080289947.php Tue, 2 Dec 2008 00:08:27 -0800 A vacuum still for the distillation of grape products has a boiler to heat grape products to a temperature at which nutriments have no or minimal damage, the vapors from the vapor space of the boiler passing through three condensers in series. A vacuum is applied through the condensers in...