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.

Date of Patent:
Feb. 08, 2000

Filed:

Jul. 17, 1998
Applicant:
Inventors:

Paul Panzera, Mt. Holly, NJ (US);

Jana Pruden, BelleMead, NJ (US);

Dmitri Brodkin, West Orange, NJ (US);

Lisa M Kaiser, Monmouth Junction, NJ (US);

Richard A Brightly, South Brunswick, NJ (US);

Carlino Panzera, BelleMead, NJ (US);

Assignee:

Jeneric/Pentron Incorporated, Wallingford, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
501 20 ; 106 35 ; 4332021 ; 433206 ; 4332121 ; 427-229 ; 427-226 ; 427-227 ; 501 16 ; 501 17 ; 501 21 ; 501 24 ; 501 25 ; 501 26 ; 501 59 ; 501 57 ; 501 63 ; 501 64 ; 501 66 ; 501 67 ; 501 68 ; 501 69 ; 501 70 ; 501 72 ;
Abstract

Porcelain compositions of the present invention comprise one or more glass or glass-ceramic powder components. Additionally, one or more opacifying agents, pigments, fluorescing agents and the like may be included in the composition. Based on volume percent, 10% of the particulate in the porcelain has a particle size of less than between about 1.1 microns and about 1.5 microns, 50% of the particulate in the porcelain has a particle size of less than between about 3 and about 6 microns, 90% of the particulate in the porcelain has a particle size of less than between about 8 and about 13.5 microns, and the maximum particle size of the particulate is greater than about 20 microns and less than about 60 microns. The mean particle size is preferably in the range of about 3.0 microns to about 6.5 microns.


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