Patent · US Expired

Glass compositions

US4387180A · kind A · utility

20Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 29, 1982
Grant dateJun 7, 1983
Priority date
Expiry dateSep 29, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2964
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A glass batch, and a fiberizable glass composition, comprising 2 percent B.sub.2 O.sub.3 is disclosed. The glass fibers have improved dry strength and water durability and have a surface boron concentration, in weight percent, of about 2.5.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.