公开(公告)号：WO1996033139A1

公开(公告)日：1996-10-24

申请号：PCT/US1996002905

申请日：1996-03-04

Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY

Inventor： MINNESOTA MINING AND MANUFACTURING COMPANY ,  MORRIS, Geoffrey, P.

IPC: C03C03/062

CPC classification number: C03C4/20 ,  C03C3/062 ,  C03C3/078 ,  C03C12/02 ,  E01F9/524 ,  Y10T428/24421 ,  Y10T428/252 ,  Y10T428/2982

Abstract: An acid-resistant glass article is provided comprising: about 25-45 wt.% SiO2; about 20-35 wt.% TiO2; less than about 5 wt.% B2O3; about 15-40 wt.% of an alkaline earth modifier selected from the group consisting of BaO, SrO, and mixtures thereof, and no greater than about 25 wt.% of an alkali-metal oxide selected from the group consisting of Na2O, K2O, and mixtures thereof. The glass article is preferably in the form of a microsphere that is adapted for use as a retroreflective element in pavement markings.

Abstract translation: 提供一种耐酸玻璃制品，其包括：约25-45重量％的SiO 2; 约20-35重量％的TiO 2; 小于约5重量％的B 2 O 3; 约15-40重量％的选自BaO，SrO及其混合物的碱土金属改性剂和不大于约25重量％的选自Na2O，K2O的碱金属氧化物 ，及其混合物。 玻璃制品优选为适合用作路面标记中的回射元件的微球形式。

公开(公告)号：WO1993014039A1

公开(公告)日：1993-07-22

申请号：PCT/US1993000105

申请日：1993-01-07

Applicant: DEN-MAT CORPORATION

Inventor： DEN-MAT CORPORATION ,  CHADWICK, Thomas, C.

IPC: C03C03/062

CPC classification number: C03C8/08 ,  A61K6/0835 ,  C03C3/062 ,  C03C4/0007 ,  C03C4/0035 ,  C08L33/00

Abstract: A glass composition, containing barium oxide, which provides a source of leachable fluoride and which can be incorporated into a dental cement composition which, when cured, is radiopaque and translucent.

Abstract translation: 一种含有氧化钡的玻璃组合物，其提供可浸出的氟化物源，并且可以掺入牙齿粘合剂组合物中，所述牙科粘合剂组合物在固化时是不透射线和半透明的。