IP Library › Granted Patent US 6,617,412
Granted Patent Utility
US 6,617,412 · App. 09/976,610

Fertilizer encapsulation using sulfur containing polyols

Inventors: Peter H. Markusch, Robert L. Cline
Patented Case View Patent ↗
Granted: Sep 9, 2003 Filed: Oct 12, 2001
Inventors
Peter H. Markusch
Robert L. Cline
Assignee (at issue)
Bayer Aktiengesellschaft

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 6,617,412
App. No.
09/976,610
Filed
2001-10-12
Granted
2003-09-09
Kind
B2