IP Library Granted Patent US 6,429,276
Granted Patent Utility
US 6,429,276 · App. 09/530,916

Process and polymerizer for producing aromatic polycarbonate

Inventors: Kyosuke Komiya, Shinsuke Fukuoka
Patented Case View Patent ↗
Granted: Aug 6, 2002 Filed: May 8, 2000
Inventors
Kyosuke Komiya
Shinsuke Fukuoka
Assignee (at issue)
ASAHI KASEI KABUSHIKI KAISHA

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,429,276
App. No.
09/530,916
Filed
2000-05-08
Granted
2002-08-06
Kind
B1