Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-03-06
1992-08-11
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525417, 525420, C08L 7700
Patent
active
051379864
ABSTRACT:
As-spun fibers from certain spinnable dopes of poly-p-phenylenebenzobisthiazole, poly-p-phenylenebenzobisoxazole, or poly-2,5-benzoxazole and thermoplastic polymers in certain mixed solvents are provided.
REFERENCES:
patent: 4631318 (1986-12-01), Hwang
E. I. Du Pont de Nemours and Company
Michl Paul R.
Szekely Peter
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