Thermoplastic plastic and method for producing the same

Details Thermoplastic plastic and method for producing the same Thermoplastic plastic and method for producing the same

2005-05-10

2010-11-30

Chowdhury, Tarifur (Department: 2886)

Optics: measuring and testing

With plural diverse test or art

Reexamination Certificate

active

07843555

ABSTRACT:
A method for producing thermoplastic plastic capable of grasping information concerning the production process even after distribution. In a plurality of production processes including fusion of thermoplastic plastic90, an information presenting substance91is added to the thermoplastic plastic sequentially and dispersed therein in each of the production process, wherein the information presenting substance is associated with information concerning each of the production process and radiates fluorescence upon an irradiation of an electromagnetic wave in a specified wavelength region.

REFERENCES:
patent: 6246061 (2001-06-01), Ramsey et al.
patent: 6673437 (2004-01-01), Kohla et al.
patent: 2002-332414 (2002-11-01), None
patent: 2002-336798 (2002-11-01), None

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