Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1987-04-10
1989-05-30
Lieberman, Allan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 68, 525 545, C08L 5302, C08L 9500
Patent
active
048351997
ABSTRACT:
A bituminous composition comprising a blend of bitumen and a thermoplastic elastomer containing at least two polymer blocks wherein one of said polymer blocks is a crystalline polymer block and one of said polymer blocks is an amorphous polymer block, is provided.
The bituminous composition has particular application as a roof coating or waterproofing material or road paving material.
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Bohm Georg G. A.
Futamura Shingo
Lieberman Allan M.
The Firestone Tire & Rubber & Company
Troy, Sr. Frank J.
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