IP Library Granted Patent US 6,797,197
Granted Patent Utility
US 6,797,197 · App. 10/231,554

Modified amine for boiler water treatment

Inventors: Lyle H. Steimel, James Emerson, Sue Ann Balow
Patented Case View Patent ↗
Granted: Sep 28, 2004 Filed: Aug 30, 2002
Inventors
Lyle H. Steimel
James Emerson
Sue Ann Balow
Assignee (at issue)
JohnsonDiversey, Inc.

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 6,797,197
App. No.
10/231,554
Filed
2002-08-30
Granted
2004-09-28
Kind
B2