Patent · US Active

Glass granule having a zoned structure

US11414342B2 · kind B2 · utility

3Cited by

23References

9Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Kenton D. Budd · Woodbury, US
Robert P. Brown · Hudson, US
Rebecca L. A. Everman · Okabena, US
Craig W. Lindsay · Minneapolis, US
Jean A. Tangeman · Minneapolis, US

Key dates

Filing date	Sep 11, 2013
Grant date	Aug 16, 2022
Priority date	—
Expiry date	Oct 28, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2982
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A granule and building material including a granule having an inner zone and an outer zone that at least partially surrounds the inner zone and that comprises greater than 10% of the total volume of the granule is provided.

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