Asphalt-block copolymer roofing composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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C08L 9500

Patent

active

H00011410

ABSTRACT:
A composition for use in roll roofing membrane applications which comprise:

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Letter from Inventor to Grant Mitchell dated May 25, 1989.

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