Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1986-04-02
1988-03-15
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
528 67, 528 76, 528 77, 528 78, 528 80, 528 81, 528 83, 528 85, 564 38, C08G 1876
Patent
active
047314150
ABSTRACT:
A polyisocyanate having a biuret structure obtained by allowing .alpha.,.alpha.,.alpha.',.alpha.'-tetramethyl-xylylene diisocyanate, a diisocyanate represented by the general formula:
REFERENCES:
patent: 4192936 (1980-03-01), Mohning et al.
patent: 4613686 (1986-09-01), Konig et al.
Fujita Shoichi
Nasu Kohji
Takeda Chemical Industries Ltd.
Welsh Maurice J.
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