Roehm GmbH Chemische Fabrik
96Patents
0Active
96Granted
39Portfolio score
Filing activity: Apr 2, 1985 → Jul 31, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5705189A | Thermoplastic material for drug coatings which dissolve in intestinal juices | Human Necessities | 118 | Expired |
| US5730999A | Dermal therapeutic system made of a meltable poly (meth) acrylate | Human Necessities | 74 | Expired |
| US5993849A | Hydrophilic adhesive and binder for medications | Chemistry; Metallurgy | 72 | Expired |
| US6063399A | Adhesive binders for dermal or transdermal therapy systems | Chemistry; Metallurgy | 60 | Expired |
| US5870233A | Process for manufacture of fresnel lenses | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5403883A | Water soluble polymer dispersions | Textiles; Paper | 47 | Expired |
| US5840804A | Crosslinked water-soluble polymer dispersions | Textiles; Paper | 44 | Expired |
| US5219931A | Thermoplastically processable solvent-resistant polymer mixtures | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5266253A | Method of manufacturing molded polymer articles containing highly filled casting resins and having color differentiated surface regions | Performing Operations; Transporting | 33 | Expired |
| US5548033A | Process for the short-time treatment of a plastic melt with a liquid treatment agent and the plastic thus produced | Performing Operations; Transporting | 32 | Expired |
| US5652316A | Universally compatible pigment dispersants | Chemistry; Metallurgy | 27 | Expired |
| US6040387A | Poly (meth) acrylamides with improved color stability under thermal stress | Chemistry; Metallurgy | 27 | Expired |
| US5540989A | Multilayered heat-sealable plastic films | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5597871A | Comb polymers | Chemistry; Metallurgy | 26 | Expired |
| US5480934A | Method for the production of a low-viscosity, water-soluble polymeric dispersion | Chemistry; Metallurgy | 25 | Expired |
| US6152720A | Device for stable widthwise regulation of bulb angle in extrusion of sheets of heat-sensitive plastics through a calender opening formed by intake rollers | Performing Operations; Transporting | 25 | Expired |
| US5726245A | Color-stable, weather-, and impact-resistant molding compositions based on polymethylmethacrylate, and process for production thereof | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5489451A | Reversibly crosslinked orientable liquid crystalline polymers | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5612417A | Thermoplastic molding materials having high transparency prepared from compatible polymer alloys | Chemistry; Metallurgy | 21 | Expired |
| US5656209A | Process for manufacture of Fresnel lenses | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5523354A | Method of crosslinking organic polymers | Chemistry; Metallurgy | 20 | Expired |
| US5473019A | Method of manufacturing monodisperse poly(meth)acrylate particles | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5430104A | Polymer mixtures with lower critical solution temperature (LCST) behavior | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5418304A | Scratch-resistant coating agent based on acrylates | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5756211A | Method of manufacturing high filler content plastics having a glitter appearance | Emerging Cross-Sectional Technologies | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.