Ilya Polyakov, Chris A Weaber: Surface deformation electroactive polymer transducers. Bayer MaterialScience, John E Mrozinski Jr, July 17, 2012: US08222799 (42 worldwide citation)

The present invention provides electroactive polymer transducers configured for surface mode deformation to provide thickness mode actuation. The inventive transducers may find use in various applications, including but not limited to haptic feedback for user interface devices (e.g., key buttons, ke ...

Hans Peter Schal, Ulrich Wolf, Bernd Thelen: Process for the distillation of a mixture of isomeric diisocyanatodiphenylmethanes. Bayer MaterialScience, Lyndanne M Whalen, Noland J Cheung, January 19, 2010: US07649108 (37 worldwide citation)

A mixture of isomeric diisocyanatodiphenylmethanes composed of at least 2,2′-diisocyanato-diphenylmethane, 2,4′-diisocyanatodiphenylmethane and 4,4′-diisocyanatodiphenyl-methane is distilled in at least one stage and a divided-wall column is used in at least one distillation stage.

Kurt Manfred Küpper, Oswald Wilmes, Hartmut Steenbeck, Almut Nagel: Process for the removal of volatile compounds from mixtures of substances using a micro-evaporator. Bayer MaterialScience, Noland J Cheung, Robert S Klemz, October 28, 2008: US07442277 (36 worldwide citation)

A process for the removal of at least one volatile compound from a reactive or unreactive mixture of substances with the aid of at least one micro-evaporator, the micro-evaporator displaying channels for carrying the mixture of substances having a hydraulic diameter of 5 to 1000 μm and a specific ev ...

Reiner Wilkens, Reiner Erkelenz, Adolf Lammeck, Martin Klocke, Klaus Konejung: Composite component. Bayer MaterialScience, Lyndanne M Whalen, September 2, 2008: US07419713 (32 worldwide citation)

The invention describes a composite component based on a sandwich structure, composed of: (a) at least two outer layers which independently of each other comprised at least one film, sheet, fiber mat and/or foam made from metal, plastic, glass, natural material and/or carbon, and (b) a core position ...

Jürgen Münnig, Dietmar Wastian, Wolfgang Lorenz, Berthold Keggenhoff: Process for working up the waste water obtained in the preparation of dinitrotoluene. Bayer MaterialScience, Joseph C Gil, N Denise Brown, August 30, 2005: US06936741 (29 worldwide citation)

The present invention relates to a process for working up or treating aqueous waste waters which are formed during the nitration of toluene to dinitrotoluene with nitrating acid. These aqueous waste waters containing acidic wash water and alkaline wash water from the dinitrotoluene washing step, and ...

Sven Meyer Ahrens, Thomas J Matwiczyk, Bin Lee, Michael A Blaszkiewicz, Walter Guarnieri: Process to manufacture three dimensionally shaped substrate for sound abatement. Bayer MaterialScience, Bayer Aktiengesellschaft, Lyndanne M Whalen, John E Mrozinski Jr, October 23, 2007: US07285316 (26 worldwide citation)

The present invention is directed to a process for the manufacture of three-dimensional acoustically sound automotive insulation parts. In particular, the process includes mixing a two component polyurethane resin, applying the resin to a substrate, molding the substrate and then trimming and demold ...

Buckel Frank, Stollwerck Gunther, Maleika Robert: (De) Uv-stabilisierte polycarbonatformkörper, (En) Uv-stabilized molded polycarbonate products. Bayer Materialscience, Buckel Frank, Stollwerck Gunther, Maleika Robert, BAYER MATERIALSCIENCE, October 19, 2006: WO/2006/108520 (20 worldwide citation)

(EN) The invention relates to a multilayered product comprising a first and a second layer. The second layer contains polycarbonate while the first layer represents a UV-protective layer which is based on polyalkyl(meth)acrylate and contains a biphenyl-substituted triazine as a UV stabilizer. The in ...


Hermann Bach, Charles A Gambino, Michael J Dvorchak, Michael K Jeffries, Richard R Roesler, Ramesh Subramanian: UV curable coating composition. Bayer MaterialScience, Noland J Cheung, November 13, 2007: US07294656 (18 worldwide citation)

The present invention is directed to a non-aqueous composition curable by UV radiation broadly comprising a mixture of two UV curable urethane acrylates. The invention is also directed to a coating process using such composition. One of the urethane acrylates is the reaction product of an isocyanate ...