C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 16/02 (2006.01) C08G 61/12 (2006.01) C08L 61/00 (2006.01) C08L 101/00 (2006.01) C08L 101/12 (2006.01) C09B 69/10 (2006.01)
Patent
CA 2106958
2106958 9222594 PCTABS00018 Provided are light-absorbing polymers useful for imparting color and/or ultraviolet light screening properties to thermoplastic resins. The polymeric colorants or UV absorbers may be added during the formation of the uncolored thermoplastic polymer or melt or solution blended with other thermoplastic polymers. The polymers are prepared by polycondensation of compounds containing two activated methylene groups with aromatic dialdehydes.
Coates Clarence Alvin Jr.
Hilbert Samuel David
Krutak James John SR.
Pruett Wayne Payton
Weaver Max Allen
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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