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
1995-03-20
1996-11-19
Morgan, Kriellion
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...
524515, 524570, 106472, 522 2, 523300, C08K 304, C08J 328, C08F 246
Patent
active
055763774
ABSTRACT:
The present invention relates to colored polymer moulding materials which give rise to colored markings on a dark background with a very high contrast ratio on the absorption of laser energy.
REFERENCES:
patent: 5350792 (1994-09-01), Hess et al.
El Sayed Aziz
Gerling Frank
Idel Karsten-Josef
Magerstedt Herbert
Messina Salvatore
Bayer AG
Morgan Kriellion
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