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:
Oct. 22, 2019
Filed:
May. 08, 2018
Applicant:
Nippon Electric Glass Co., Ltd., Otsu-shi, Shiga, JP;
Inventors:
Kazuyuki Yamamoto, Shiga, JP;
Ken Choju, Shiga, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Otsu-shi, Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/083 (2006.01); C03C 3/085 (2006.01); C03C 4/20 (2006.01); C03C 3/087 (2006.01); C03C 3/091 (2006.01); C03C 3/093 (2006.01); A61J 1/05 (2006.01);
U.S. Cl.
CPC ...
C03C 3/083 (2013.01); C03C 3/085 (2013.01); C03C 3/087 (2013.01); C03C 3/091 (2013.01); C03C 3/093 (2013.01); C03C 4/20 (2013.01); A61J 1/05 (2013.01);
Abstract
A glass for pharmaceutical containers, which is resistant to delamination and has excellent processibility, is provided. The glass for pharmaceutical containers comprises, in mol % on an oxide basis, 69 to 81% of SiO, 4 to 12% of AlO, 0 to 5% of BO, to 20% of LiO+NaO+KO, 0.1 to 12% of LiO, and 0 to 10% of MgO+CaO+SrO+BaO. The glass has a hydrolytic resistance of Class 1 in a test in accordance with the European pharmacopoeia.