"J. P. Bemberg was a German rayon manufacturer that produced an unusually fine artificial fiber which became known as Bemberg®. J. P. Bemberg came under the ...
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control of Vereinigte Glanzstoff-Fabriken and eventually disappeared after a series of mergers and divestitures, but Bemberg™ rayon was still being produced in 2015 by Asahi in Japan," - (en.wikipedia.org 14.10.2022)