IP Library › Granted Patent US 5,969,002
Granted Patent Utility
US 5,969,002 · App. 08/922,061

Pigment preparations for inkjet printing

Inventors: Johan Kijlstra, Stephan Kirchmeyer, Peter-Roger Nyssen, Dirk Pfutzenreuter, Christian Wamprecht
Patented Case View Patent ↗
Granted: Oct 19, 1999 Filed: Sep 2, 1997
Inventors
Johan Kijlstra
Stephan Kirchmeyer
Peter-Roger Nyssen
Dirk Pfutzenreuter
Christian Wamprecht
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 5,969,002
App. No.
08/922,061
Filed
1997-09-02
Granted
1999-10-19
Kind
A