Expanded supply of DPP & phthalo blue pigments.There is now a second source of diketo-pyrrolo-pyrrole (DPP DPP - Dining Philosophers Problem ) pigments, the organic oranges and reds distinguished by high chroma Short for "chrominance." The attributes of a color, which include its hue (frequency) and saturation (amount of black). See hue and saturation. , heat stability, and lightfastness. DPPs were invented by Ciba Specialty Chemicals “Ciba” redirects here. For the pre-1971 company, see Novartis. Ciba Specialty Chemicals is a chemical company based in and near Basel, Switzerland. It was formed as the non-pharmaceuticals elements of Novartis were spun out in 1997, following the merger in the , but its patents have expired and Clariant Corp. has entered the field. The pigments will be manufactured at a new dedicated plant in Germany that will come on stream in the fourth quarter. Pilot-plant quantities are currently available. Contact Clariant in Coventry, R.I. Tel: (401) 823-2421 * PT Direct: 818QR Meanwhile, Ciba Specialty Chemicals (U.S. Pigments Div. is in High Point, N.C.) recently completed the first major expansion of its Swiss plant for DPP pigments. In response to market demand, further expansion of the plant is under way and will be completed by the end of 2005. Ciba is also adding DPP capacity at Newport, Del. Tel: (888) 873-2422 * PT Direct 903ZD BASF AG in Germany has restarted production of phthalocyanine phthal·o·cy·a·nine n. Any of several stable, light-fast, blue or green organic pigments used in enamels and plastics. blue pigment (Heliogen Blue D 7490), which was halted after a fire a year ago. Contact BASF BASF Bar Association of San Francisco (since 1872; San Francisco, California) BASF Badische Anilin und Soda Fabrik (German chemical products company) BASF Builders Association of South Florida Corp., Mt. Olive, N.J. Tel: 800-BC-RESIN * PT Direct: 343MV |
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