Back to results
US 6,888,021 B2Granted
Hydrogenation of benzenepolycarboxylic acids or derivatives thereof using a catalyst containing macropores
AssigneeBASF SE
InventorsMelanie Brunner, Arnd Böttcher, Boris Breitscheidel, Klaus Halbritter, Jochem Henkelmann, Lucien Thil, Rolf Pinkos
Life of this patent
Estimating the term…
Abstract
A process for producing plasticizers in which a phthalic acid having the CAS Nos. 111381-89-6, 111381-90-9, 111381-91-0, 68515-44-6, 68515-45-7 and 3648-20-7, the formed plasticizers and a method of increasing the plasticity of a plastic product.
Claims14
A dicarboxylic acid diester mixture, selected from the group consisting of:
- a cyclohexane-1,2-dicarboxylic acid di(isononyl) ester mixture, obtained by hydrogenating the di(isononyl)phthalate mixture having the Chemical Abstracts registry number (“CAS No.”) 68515-48-0;
- a cyclohexane-1,2-dicarboxylic acid di(isononyl) ester mixture, obtained by hydrogenating the di(isononyl)phthalate mixture having the CAS No. 28553-12-0, based on n-butene;
- and
- a cyclohexane-1,2-dicarboxylic acid di(isononyl) ester mixture, obtained by hydrogenating the di(isononyl)phthalate mixture having the CAS No. 28553-12-0, based on isobutene.
1 more element
Dependencies are inferred from the claim text.