C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 9/06 (2006.01) C09D 11/00 (2006.01) C09D 11/16 (2006.01) C09D 109/06 (2006.01)
Patent
CA 2076318
1162-14 ERASABLE MARKING COMPOSITION ABSTRACT An erasable marking composition comprising a noncarboxylated styrene-butadiene copolymer resin, a colorant, and a solvent. The composition can be applied to substrates by a variety of delivery means, such as porous- tipped and brush-tipped writing instruments, as well as brushes, and can be easily erased with a substantially nonabrasive eraser, such as a common pencil eraser, for an extended period of time.
Miller Richard E.
Santini Andree
Binney & Smith Inc.
Shapiro Cohen
LandOfFree
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