Walter Hellermann
15Patents
8h-index
10Co-inventors
65Inventor score
Filing activity: May 29, 1987 → Mar 5, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5096973A | ABC block copolymers based on butadiene, isoprene and styrene, process for their production and their use | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4814386A | ABC block copolymers based on butadiene and isoprene, process for their preparation and use | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4894425A | Preparation of polyisoprene having high content of 1,2- and 3,4-structural units by anionic polymerization | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5147939A | Unsaturated, elastomeric, asymmetrically coupled block copolymer, a single batch process for its manufacture and its use for the production of tire components | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5905112A | Tire tread of diene rubber, and naphthenic and/or paraffinic oil, or aromatic oil and mineral filler | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4981911A | AB block copolymers based on butadiene, isoprene and styrene, process for their preparation and their use | Performing Operations; Transporting | 10 | Expired |
| US5104941A | 3,4-polyisoprene-containing rubber blend mixtures for tire treads | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5061758A | Unsaturated, elastomeric, asymmetrically, coupled block copolymers, a dual batch process for its manufacture and their use for the production of type components | Chemistry; Metallurgy | 8 | Expired |
| US5008343A | Process for the preparation of polymers based on conjugated dienes and optionally monovinylaromatic compounds | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5100967A | Statistical AB-block copolymers having improved properties, process for their manufacture and their use | Performing Operations; Transporting | 7 | Expired |
| US6500554B2 | Process for producing an extrusion-coated metal article | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5053459A | AB block copolymers based on butadiene, isoprene and styrene | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5942307A | Lightweight building board | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6119743A | Tire tread of butadiene copolymer, polybutadiene and aromatic oil | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6063853A | Tire treads having low rolling resistance and improved ABS braking | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.