IP Library › Granted Patent US 6,509,504
Granted Patent Utility
US 6,509,504 · App. 09/936,062

Method for the production of serinol

Inventors: Byong-Sung Kwak, Ki Nam Chung, Choon-Gil Kim, Ki-Ho Koh
Patented Case View Patent ↗
Granted: Jan 21, 2003 Filed: Dec 12, 2001
Inventors
Byong-Sung Kwak
Ki Nam Chung
Choon-Gil Kim
Ki-Ho Koh
Assignee (at issue)
SK HOLDINGS CO., LTD.

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 6,509,504
App. No.
09/936,062
Filed
2001-12-12
Granted
2003-01-21
Kind
B1