Back to results
US 7,479,515 B2Granted
Polypropylene resin compositions
AssigneeCiba Specialty Chemicals Corporation
InventorsHans-Werner Schmidt, Paul Smith, Markus Blomenhofer
Life of this patent
Estimating the term…
Abstract
A polypropylene composition containing the components a) a crystallizable polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer, and b) 0.001 to 5%, relative to the weight of component a), of a specific trimesic acid derivative.
Claims2
A compound of the formula (IB)
- wherein
- R1, R2 and R3 are identical and are cyclopropyl, cyclobutyl, cycloheptyl, 1-adamantyl, 3-methylcyclohexyl, 2,3-dimethylcyclohexyl, 3,3,5-trimethylcyclohexyl, S(+)-1-cyclohexylethyl, R(+)-1-cyclohexylethyl, isopropyl, 1,1-dimethylpropyl, 1,2-dimethylpropyl, 2-butyl, 3-methylbutyl or 1,1,3,3-tetramethylbutyl.
Dependencies are inferred from the claim text.