Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1987-09-02
1989-03-07
Ivy, C. Warren
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524165, 524417, 524500, 524538, C08K 542, C08K 332, C08L 7904, C08L 7706
Patent
active
048107352
ABSTRACT:
Spinnable dopes of poly-p-phenylenebenzobisthiazole, poly-p-phenylenebenzobisoxazole, or poly-2,5-benzoxazole and thermoplastic or intractable polymers in certain mixed solvents are provided.
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patent: 4207407 (1980-06-01), Helminiak
patent: 4225700 (1980-09-01), Wolfe
patent: 4631318 (1986-12-01), Hwang
patent: 4640948 (1987-02-01), Rasoul
ACS, Div. of Org. Coatings, etc. 48,929 (1982), pp. 929-93.
Polymer Eng. & Science, mid-Oct. 1983, V. 23, N14, pp. 784-788.
J. Macromol Sci.-Phys. B22(2), 231-257 (1983).
E. I. Du Pont de Nemours and Company
Ivy C. Warren
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