Inventor
SREBNY HANS-GUENTHER
DE21 patents
⚠️ This page may combine multiple inventors who share the name “SREBNY HANS-GUENTHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUELS CHEMISCHE WERKE AG
14 patentsUS5679147AOct 21, 1997
Water-based organic polysiloxane-containing compositions, processes for their preparation and their use
HUELS CHEMISCHE WERKE AG89 citations95
US5698726ADec 16, 1997
Process for preparing amino-functional organosilanes low in or free of chloro-functional organosilanes
HUELS CHEMISCHE WERKE AG50 citations92
US5654459AAug 5, 1997
Process for preparing alkylhydrogenchlorosilanes
HUELS CHEMISCHE WERKE AG33 citations92
US5616762AApr 1, 1997
Process for the preparation of 3-halo-and pseudohalo-alkylsilane esters
HUELS CHEMISCHE WERKE AG34 citations92
US5616755AApr 1, 1997
Process for preparing low-chloride or chloride-free aminofunctional organosilanes
HUELS CHEMISCHE WERKE AG53 citations92
US5527937AJun 18, 1996
Process for preparing hydrogenalkoxysilanes
HUELS CHEMISCHE WERKE AG35 citations92
US6268421B1Jul 31, 2001
Reinforcement additives
HUELS CHEMISCHE WERKE AG66 citations91
US5786493AJul 28, 1998
Cyclic silane esters and solvolysis products thereof, and processes for the preparation of the cyclic silane esters and the solvolysis products
HUELS CHEMISCHE WERKE AG19 citations84
US5646325AJul 8, 1997
Process for the preparation of 3-acryloyloxypropylalkoxysilanes
HUELS CHEMISCHE WERKE AG17 citations74
US5536860AJul 16, 1996
Process for preparing aminopropylalkoxysilanes in the presence of shaped polymeric rhodium complex catalysts and their use
HUELS CHEMISCHE WERKE AG16 citations74
US5945554AAug 31, 1999
Process for the stabilizing of an organosilane
HUELS CHEMISCHE WERKE AG2 citations62
US6026880AFeb 22, 2000
Process and apparatus for the purification of commercially available diphenyl-p-phenylenediamine (DPPD)
HUELS CHEMISCHE WERKE AG3 citations61
US5763666AJun 9, 1998
Process and apparatus for the purification of commercially available diphenyl-p-phenylenediamine (DPPD)
HUELS CHEMISCHE WERKE AG3 citations61
US5869736AFeb 9, 1999
Oxidation in the Witten-Hercules process for preparing dimethyl terephthalate
HUELS CHEMISCHE WERKE AG3 citations59
HUELS TROISDORF
3 patentsUS4789752ADec 6, 1988
Method for the preparation of orthoesters of titanium, zirconium or hafnium
HUELS TROISDORF9 citations74
US4824979AApr 25, 1989
Method for the preparation of partial esters and ortho esters of titanium, zirconium or hafnium
HUELS TROISDORF0 citations52
US4891439AJan 2, 1990
Alcohol-free orthoesters of zirconium and hafnium and method for the preparation thereof
HUELS TROISDORF1 citations42