Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1998-09-25
2000-10-03
Cain, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524494, 524496, C08K 303
Patent
active
061274755
ABSTRACT:
A resin composition with laser marking properties comprises a polyester thermoplastic resin, a sufficient amount of channel black carbon pigment for forming a dark background coloration wherein said channel black carbon pigment decomposes in laser struck areas whereby light colored markings are obtained on the dark background.
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Fisher Robert A.
Th. Vollenberg Peter H.
Cain Edward J.
General Electric Company
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