C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 323/22 (2006.01) C07D 303/34 (2006.01) C07F 7/18 (2006.01) C08G 77/38 (2006.01) C08K 5/00 (2006.01) C08K 5/132 (2006.01) C08K 5/375 (2006.01) C08K 5/54 (2006.01) C08L 83/04 (2006.01)
Patent
CA 2145820
2-Hydroxybenzophenone derivatives substituted in the 4'-position by a thioether moiety exhibit enhanced absorption in the UV at longer wavelength. Compositions comprising organic material subject to actinic degradation are beneficially stabilized with such derivatives.
Hendricks Carmen
Meuwly Roger
Suhadolnik Joseph
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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