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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.:

US 9676656 B1

PDFFull Text
Date of Patent:
Jun. 13, 2017

Filed:

Jul. 06, 2016

High strength and aesthetic lithium disilicate crystalline glass-ceramics containing cristobalite crystal and preparation method thereof

Applicant:

Hass Co., Ltd., Gangneung-si, KR;

Inventors:

Yong su Kim, Gangneung-si, KR;

Hyun jun Jeon, Busan, KR;

Hyung bong Lim, Ansan-si, KR;

Kyung sik Oh, Incheon, KR;

Sung ho Ha, Ansan-si, KR;

Cheol young Kim, Seoul, KR;

Joon hyung Kim, Ansan-si, KR;

Young pyo Hong, Gangneung-si, KR;

Assignee:

HASS CO., LTD., Gangneung-si, KR;

Attorneys:

Roberts Mlotkowski Safran Cole & Calderon, P.C.

Jorie L. Stroup

Primary Examiner:

Noah Wiese

Int. Cl.
CPC ...
C03C 10/04 (2006.01); C03B 32/02 (2006.01); C03C 10/00 (2006.01); C03C 3/097 (2006.01); A61K 6/02 (2006.01); C03B 19/02 (2006.01); A61K 6/027 (2006.01); A61K 6/06 (2006.01); A61C 13/08 (2006.01); A61C 13/00 (2006.01); A61C 13/20 (2006.01); C03B 23/20 (2006.01); C03C 19/00 (2006.01); A61C 5/77 (2017.01);
U.S. Cl.
CPC ...
C03B 32/02 (2013.01); A61C 5/77 (2017.02); A61C 13/0004 (2013.01); A61C 13/0006 (2013.01); A61C 13/082 (2013.01); A61C 13/20 (2013.01); A61K 6/024 (2013.01); A61K 6/0273 (2013.01); A61K 6/0612 (2013.01); C03B 19/02 (2013.01); C03B 19/025 (2013.01); C03B 23/20 (2013.01); C03C 3/097 (2013.01); C03C 10/0027 (2013.01); C03C 19/00 (2013.01); C03B 2201/28 (2013.01); C03B 2201/32 (2013.01); C03B 2201/40 (2013.01); C03B 2201/50 (2013.01); C03B 2201/54 (2013.01); C03C 2204/00 (2013.01);
Abstract

Provided is lithium disilicate crystalline glass containing cristobalite crystal phase for high strength and aesthetic traits and its manufacturing process thereof. Exemplary embodiments of the present invention provide the high strength and aesthetic lithium disilicate crystalline glass, one kind of dental restoration materials, and its manufacturing method which induces the growth of the different crystal phase, cristobalite, from glass with lithium disilicate crystal.

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