IP Library › Granted Patent US 5,931,996
Granted Patent Utility
US 5,931,996 · App. 08/875,008

Colored aluminum pigments, process for producing them and their use

Inventors: Wolfgang Reisser, Denise Mebarek
Patented Case View Patent ↗
Granted: Aug 3, 1999 Filed: Sep 2, 1997
Inventors
Wolfgang Reisser
Denise Mebarek
Assignee (at issue)
Eckart-Werke Standard

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 5,931,996
App. No.
08/875,008
Filed
1997-09-02
Granted
1999-08-03
Kind
A