Patent assignee · DE · COMPANY

Bayer MaterialScience AG

690Patents
495Active
690Granted
58Portfolio score

Filing activity: Dec 29, 1998 → Jan 23, 2017 · 391 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7952261B2 Electroactive polymer transducers for sensory feedback applications Emerging Cross-Sectional Technologies 126 Active
US8329773B2 Holographic media and photopolymers Physics 89 Active
US8222799B2 Surface deformation electroactive polymer transducers Emerging Cross-Sectional Technologies 82 Active
US6936741B2 Process for working up the waste water obtained in the preparation of dinitrotoluene Chemistry; Metallurgy 57 Expired
US7649108B2 Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes Chemistry; Metallurgy 57 Expired
US7419713B2 Composite component Emerging Cross-Sectional Technologies 55 Expired
US8343571B2 Composite glass element, preferably composite safety glass element with an integrated electroluminescent (EL) illumination structure Mechanical Engineering; Lighting; Heating 44 Active
US7442277B2 Process for the removal of volatile compounds from mixtures of substances using a micro-evaporator Emerging Cross-Sectional Technologies 37 Active
US8925270B2 Foam wall structure Fixed Constructions 35 Active
US8791200B2 TCD based hydrophilic polyurethane dispersions Chemistry; Metallurgy 35 Active
US7335400B2 Irreversible immobilization of enzymes into polyurethane coatings Chemistry; Metallurgy 33 Expired
US8079752B2 Process and mixing unit for the preparation of isocyanates by phosgenation of primary amines Performing Operations; Transporting 31 Active
US7179882B2 Low viscosity polymer polyols Chemistry; Metallurgy 31 Expired
US7294656B2 UV curable coating composition Emerging Cross-Sectional Technologies 30 Expired
US7977501B2 Polyether carbonate polyols made via double metal cyanide (DMC) catalysis Chemistry; Metallurgy 28 Active
US8183739B2 Electroactive polymer actuated devices Emerging Cross-Sectional Technologies 27 Active
US7285316B2 Process to manufacture three dimensionally shaped substrate for sound abatement Emerging Cross-Sectional Technologies 27 Expired
US7990022B2 High-performance electroactive polymer transducers Emerging Cross-Sectional Technologies 24 Active
US8673452B2 Security and/or valuable documents with a top layer with a scratch-resistant finish Emerging Cross-Sectional Technologies 23 Active
US7915790B2 Electroactive polymer transducers biased for increased output Emerging Cross-Sectional Technologies 23 Active
US8758860B1 Process for incorporating an ion-conducting polymer into a polymeric article to achieve anti-static behavior Chemistry; Metallurgy 23 Active
US7923902B2 High-performance electroactive polymer transducers Emerging Cross-Sectional Technologies 22 Active
US7332560B2 Thermoplastic molding compositions having reduced water absorption Emerging Cross-Sectional Technologies 22 Expired
US7759423B2 Polymer polyols with ultra-high solids contents Chemistry; Metallurgy 22 Expired
US6930199B2 Process for the preparation of diisocyanates Emerging Cross-Sectional Technologies 21 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.