Patent · US Active

Building boards with increased surface strength

US11433645B2 · kind B2 · utility

1Cited by

22References

35Claims

0Family size

Assignee

SAINT-GOBAIN PLACO SAS · FR

Inventors

Robin Fisher · Loughborough, GB
Devang Umesh Khariwala · Hudson, US
Jeffrey H. Peet · Southborough, US
Peter Mayer · Basel, CH

Key dates

Filing date	Dec 29, 2014
Grant date	Sep 6, 2022
Priority date	—
Expiry date	Jul 23, 2037

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/273
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Disclosed is a building board construction with increased surface strength. More specifically, increased nail pull strength is achieved via the application of an external surface coating. The surface coating is ideally applied to a paper faced gypsum building board. In one possible embodiment, the coating is formed from a water soluble polymer.

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