Inventor
LETINOIS ULLA
CH13 patents
⚠️ This page may combine multiple inventors who share the name “LETINOIS ULLA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DSM IP ASSETS BV
10 patentsUS11724996B2Aug 15, 2023
Synthesis of intermediates for the preparation of alpha-tocopherol
DSM IP ASSETS BV0 citations61
US12497347B2Dec 16, 2025
Dicarboxylic acid diesters
DSM IP ASSETS BV0 citations55
US11987539B2May 21, 2024
Dicarboxylic acid diesters
DSM IP ASSETS BV0 citations55
US10005710B2Jun 26, 2018
Process of production of 1-(5,5-dimethylcyclohex-1-en-1-yl)ethanone and 1-(5,5-dimethylcyclohex-6-en-1-yl )ethanone
DSM IP ASSETS BV0 citations51
US9981935B2May 29, 2018
Formation of chiral 4-chromanones using chiral pyrrolidines in the presence of acids
DSM IP ASSETS BV0 citations40
US9902674B2Feb 27, 2018
Process of production of 2,5-dimethylphenol
DSM IP ASSETS BV0 citations40
US10047065B2Aug 14, 2018
Formation of chromanes based on intermolecular reaction of alkynes with dimethylfuran in the presence of gold(I) complexes
DSM IP ASSETS BV0 citations39
US9815809B2Nov 14, 2017
Formation of chiral 4-chromanones using chiral pyrrolidines in the presence of phenols or thiophenols
DSM IP ASSETS BV0 citations39
US9809565B2Nov 7, 2017
Formation of chiral 4-chromanones using chiral pyrrolidines in the presence of ureas or thioureas
DSM IP ASSETS BV0 citations36
US10815178B2Oct 27, 2020
Intermolecular reaction of propargyl ethers with dimethylfuran in the presence of gold(I) complexes
DSM IP ASSETS BV0 citations32