PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO Patent applications |
Patent application number | Title | Published |
20120130100 | METHOD FOR THE PRODUCTION OF LIGNOCERIC ACID - The invention is related to a process for production of lignoceric acid from mixtures of long-chain aliphatic alcohols that contain lignoceric alcohol, wherein the process consists in oxidizing the mixture in a biphasic catalytic system using quaternary ammonium peroxotungstophosphate as a catalyst and hydrogen peroxide as an oxidant, followed by several physical or chemical unitary steps to separate and purify the lignoceric acid. | 05-24-2012 |
20120125762 | RECOVERY OF TETRACOSANOL FROM A MIXTURE DERIVED FROM TALL OIL PITCH - The invention is related to a process to obtain tetracosanol from a complex mixture derived from tall oil pitch that comprises terpenoids, rosin alcohols, rosin aldehydes, aliphatic alcohols, hydrocarbons and stilbene derivatives. The process comprises a mixture crystallization step from hexane and a fractional distillation of the crystallized solids, which yields tetracosanol with more than 90% purity. | 05-24-2012 |