Inventor
HELLERMANN WALTER
DE15 patents
⚠️ This page may combine multiple inventors who share the name “HELLERMANN WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUELS CHEMISCHE WERKE AG
14 patentsUS5905112AMay 18, 1999
Tire tread of diene rubber, and naphthenic and/or paraffinic oil, or aromatic oil and mineral filler
HUELS CHEMISCHE WERKE AG21 citations92
US5096973AMar 17, 1992
Abc block copolymers based on butadiene, isoprene and styrene, process for their production and their use
HUELS CHEMISCHE WERKE AG33 citations92
US4981911AJan 1, 1991
AB block copolymers based on butadiene, isoprene and styrene, process for their preparation and their use
HUELS CHEMISCHE WERKE AG19 citations82
US5008343AApr 16, 1991
Process for the preparation of polymers based on conjugated dienes and optionally monovinylaromatic compounds
HUELS CHEMISCHE WERKE AG19 citations81
US4894425AJan 16, 1990
Preparation of polyisoprene having high content of 1,2- and 3,4-structural units by anionic polymerization
HUELS CHEMISCHE WERKE AG20 citations81
US6063853AMay 16, 2000
Tire treads having low rolling resistance and improved ABS braking
HUELS CHEMISCHE WERKE AG7 citations73
US5147939ASep 15, 1992
Unsaturated, elastomeric, asymmetrically coupled block copolymer, a single batch process for its manufacture and its use for the production of tire components
HUELS CHEMISCHE WERKE AG16 citations73
US5100967AMar 31, 1992
Statistical ab-block copolymers having improved properties, process for their manufacture and their use
HUELS CHEMISCHE WERKE AG9 citations73
US5061758AOct 29, 1991
Unsaturated, elastomeric, asymmetrically, coupled block copolymers, a dual batch process for its manufacture and their use for the production of type components
HUELS CHEMISCHE WERKE AG13 citations73
US4814386AMar 21, 1989
ABC block copolymers based on butadiene and isoprene, process for their preparation and use
HUELS CHEMISCHE WERKE AG18 citations72
US5942307AAug 24, 1999
Lightweight building board
HUELS CHEMISCHE WERKE AG12 citations71
US5104941AApr 14, 1992
3,4-polyisoprene-containing rubber blend mixtures for tire treads
HUELS CHEMISCHE WERKE AG17 citations71
US5053459AOct 1, 1991
Ab block copolymers based on butadiene, isoprene and styrene
HUELS CHEMISCHE WERKE AG4 citations62
US6119743ASep 19, 2000
Tire tread of butadiene copolymer, polybutadiene and aromatic oil
HUELS CHEMISCHE WERKE AG1 citations51