Ulrich Liman
14Patents
6h-index
25Co-inventors
62Inventor score
Filing activity: Oct 21, 1992 → Feb 1, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5482979A | Compounds containing tertiary amino groups, a process for their production and their use as catalysts | Chemistry; Metallurgy | 14 | Expired |
| US5210127A | Free-flowing, thermoplastically processible and post-crosslinkable polyurethane powders | Chemistry; Metallurgy | 13 | Expired |
| US5416130A | Process for the production of polyurethane foams | Chemistry; Metallurgy | 10 | Expired |
| US5416125A | Process for the production of semirigid foams containing urethane groups with improved flow properties | Chemistry; Metallurgy | 9 | Expired |
| US5356945A | Reactive polyurethanes | Chemistry; Metallurgy | 8 | Expired |
| US5350781A | Process for the production of polyurethane foams | Chemistry; Metallurgy | 7 | Expired |
| US7038002B2 | Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4′-methylenediphenyl diisocyanate and 2,4′-methylenediphenyl diisocyanate | Chemistry; Metallurgy | 5 | Expired |
| US5760098A | Process for producing low-emission polyurethane moldings and composite bodies and their use | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5834579A | Tertiary amines having carbonate and urethane groups | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6020386A | Process for the production of hydroxyfunctional compounds from (polyurethane) polyurea waste | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5445879A | Process for the preparation of composite bodies | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5705672A | Tertiary amines having carbonate and urethane groups | Chemistry; Metallurgy | 1 | Expired |
| US5716564A | Process for the production of composite sheet bodies which are suitable as self-supporting components in automobiles | Performing Operations; Transporting | 0 | Expired |
| US7205430B2 | Production of di- and polyisocyanates of the diphenylmethane series with defined acidity | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.