The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 2004
Filed:
May. 14, 2002
Applicant:
Inventor:
Carmine V. DeLuca, Jr., Peekskill, NY (US);
Assignee:
Engelhard Corporation, Iselin, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 1/420 ;
U.S. Cl.
CPC ...
C04B 1/420 ;
Abstract
Optically variable interference pigments are composed of platelets of at least partly core-free titanium dioxide-coated substrate of about 1-25 mm particle size and an interference thickness of about 5-600 nm which have an oxide coating thereon.