IP Library Granted Patent US 4,252,939
Granted Patent Utility
US 4,252,939 · App. 06/047,796

Method for manufacture of aromatic polyester-polycarbonate

Inventors: Hajime Mori, Katsuhisa Kohyama, Katsuhiko Nakamura, Katsuyuki Sakata
Patented Case View Patent ↗
Granted: Feb 24, 1981 Filed: Jun 12, 1979
Inventors
Hajime Mori
Katsuhisa Kohyama
Katsuhiko Nakamura
Katsuyuki Sakata
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.

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Quick Facts
Patent No.
US 4,252,939
App. No.
06/047,796
Filed
1979-06-12
Granted
1981-02-24
Kind
A