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:
Jan. 14, 2025
Filed:
May. 22, 2020
Applicant:
Ferro Corporation, Mayfield Heights, OH (US);
Inventors:
Enos A. Axtell, III, Seven Hills, OH (US);
Joseph E. Sarver, Washington, PA (US);
John J. Maloney, Solon, OH (US);
Srinivasan Sridharan, Strongsville, OH (US);
George E. Sakoske, Independence, OH (US);
Assignee:
Ferro Corporation, Mayfield Heights, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 8/06 (2006.01); C03C 3/064 (2006.01); C03C 3/066 (2006.01); C03C 3/091 (2006.01); C03C 3/093 (2006.01); C03C 3/118 (2006.01); C03C 4/00 (2006.01); C03C 8/02 (2006.01); C03C 8/04 (2006.01);
U.S. Cl.
CPC ...
C03C 8/06 (2013.01); C03C 3/064 (2013.01); C03C 3/066 (2013.01); C03C 3/091 (2013.01); C03C 3/093 (2013.01); C03C 3/118 (2013.01); C03C 4/0071 (2013.01); C03C 8/02 (2013.01); C03C 8/04 (2013.01); C03C 2204/00 (2013.01); C03C 2205/00 (2013.01);
Abstract
A marking composition for forming marks or indicia on a substrate is provided for laser marking applications. The composition includes a glass frit, a carrier, and absorber particles. The glass frit includes alkali metal oxides, glass forming oxides, and one or more transition metal oxides. The glass frit is devoid of at least one of bismuth and zinc.