Pillsbury Madison & Sutro LLP
Two-colored molded product of polyurethanes made by RIM and process for manufacturing the same
 A small amount of a non-yellowing surface-forming polyurethane material containing a polyether polyol, a hexamethylene diisocyanate trimer, a coloring agent and an organic bismuth catalyst is initially injected into a mold cavity under reduced pressure to form e.g. the surface portion of a polyurethane covering for a steering wheel. An inner-forming polyurethane material is subsequently injected into the cavity under reduced pressure to form an inner portion of the covering. 
Toyoda Gosei Co., Ltd.
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C08G Y10T B29K Y10T Y10T Y10T B29C Y10T Y10T C08G C08G Y10T C08G Y10T C08G C08G
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Hisashi Satoru Toshihiko Katsumi
Mizuno Ono Asaya Tachi