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:
Sep. 04, 2012
Filed:
Dec. 21, 2007
Michael Grass, Haltern am See, DE;
Norbert Scholz, Recklinghausen, DE;
Alfred Kaizik, Marl, DE;
Wilfried Bueschken, Haltern am See, DE;
Hans-gerd Lueken, Marl, DE;
Michael Grass, Haltern am See, DE;
Norbert Scholz, Recklinghausen, DE;
Alfred Kaizik, Marl, DE;
Wilfried Bueschken, Haltern am See, DE;
Hans-Gerd Lueken, Marl, DE;
Evonik Oxeno GmbH, Marl, DE;
Abstract
The present invention relates to a mixture comprising diesters of the formula (I) where Rto R═H or alkyl group having from 1 to 6 carbon atoms, where the Rto Rradicals may be the same or different, which is characterized in that at least two different diesters I are present in the mixture, said diesters differing in the structure of at least one of the carboxylic acid radicals CHCOO present, to a process for preparing diesters of an isosorbide derivative of the formula I, in which a hexahydric alcohol and/or a monoanhydro or dianhydro derivative of the alcohol is esterified with a mixture of at least two different carboxylic acids of the empirical formula CHCOOH, and to the use of these mixtures in paints, inks or coatings, in plastisols, adhesives or adhesive components, in sealants, as plasticizers in polymers or polymer components, as solvents, as lubricant oil components and as assistants in metal processing, and also PVC compositions or plastisols comprising PVC and from 5 to 250 parts by mass of the mixture per 100 parts by mass of PVC.