CIBA SPECIALTY CHEMICALS CORPORATION
CIBA SPECIALTY CHEMICALS CORPORATION Patent applications | ||
Patent application number | Title | Published |
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20100036083 | Process For The Preparation Of Polyamides In The Presence of a Phosphonate - The invention relates to the preparation of polyamides in the presence of a phosphonate, which is already added at the beginning of the polycondensation or polyaddition process. The resulting prepolymer exhibits a high molecular weight and is almost colorless. A further aspect of the invention is the use of a phosphonate for increasing the molecular weight and modification of polyamides during polycondensation. | 02-11-2010 |
20090281162 | Crystalline forms of atorvastatin - The present invention is directed to new crystalline forms of Atorvastatin calcium (2:1), referred to hereinafter as polymorphic Forms X, A, B1, B2, C, D and E. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms. | 11-12-2009 |