The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2001
Filed:
Jun. 09, 1999
Erkki Paatero, Kauniainen, FI;
Esa Nummi, Lappeenranta, FI;
Lars Peter Lindfors, Espoo, FI;
Hannu Nousiainen, Porvoo, FI;
Jukka Hietala, Porvoo, FI;
Leila Lahtinen, Helsinki, FI;
Rami Haakana, Helsinki, FI;
Neste Chemical Oy, Porvoo, FI;
Abstract
The invention relates to a process for the preparation of polyvalent alcohols by hydrogenation of an aldehyde. According to the invention said aldehyde is obtained by aldolisation reaction of an aldehyde containing an &agr; hydrogen atom and having the formula R,CHO, or the mixture of said aldehyde with a second different aldehyde having the formula or R,CHO, wherein R,is selected from alkyl having 1-12 carbon atoms, cycloalkyl, aryl and aralkyl having 1-14 carbon atoms, and R,is selected from H, alkyl having 1-12 carbon atoms, cycloalkyl, aryl and aralkyl having 1-14 carbon atoms, said aldolisation being carried out in the presence of a weak base anion exchange resin, and the hydrogenation being carried out in the presence of a solvent and a hydrogenation catalyst.