Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1975-09-15
1980-06-03
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525534, 528167, 528171, C08L 6702, C08L 8100, C08L 8502
Patent
active
042062969
ABSTRACT:
Polyester compositions containing an effective amount for flame retardancy of a copolymer of (1) benzene phosphorus oxydichloride, (2) 2,4'-thiodiphenol, 4,4'-thiodiphenol, 2,4'-sulfonyl diphenol, 4,4'-sulfonyl diphenol or mixtures thereof, and (3) POCl.sub.3 are disclosed.
REFERENCES:
patent: 2716101 (1955-08-01), Coover et al.
patent: 3664974 (1972-05-01), Cohen et al.
patent: 3719727 (1973-03-01), Masai et al.
Altscher Siegfried
Kim Ki S.
Yu Arthur J.
Briggs Sr. Wilbert J.
Fennelly Richard P.
Stauffer Chemical Company
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