Coded polymeric material and method

Details Coded polymeric material and method Coded polymeric material and method

G - Physics

01

N

150/1, 358/12

G01N 23/00 (2006.01) C08K 3/34 (2006.01)

Patent

CA 1148453

Abstract of the Disclosure Polymeric materials, for example, vinyl mater- ials contain an added trace amount of a compound which is detectable by an instrumental method of analysis in the absence of the step of freshly expos- ing a surface of the sample and without substantial interference from other ingredients in the vinyl material. The incorporation of the added trace compound allows for coding of the material and pro- vides a means to later identify the manufacturer of the film without the need to affix more visible identification means thereto. C-4874

363934

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