Patent · US Active

Extruded gypsum-based materials

US9890083B2 · kind B2 · utility

10Cited by

225References

21Claims

0Family size

Assignee

The Intellectual Gorilla GmbH · CH

Inventors

Evan R. Daniels · Frisco, US
Per Just Andersen · Lompoc, US

Key dates

Filing date	Mar 5, 2014
Grant date	Feb 13, 2018
Priority date	—
Expiry date	Mar 5, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/91
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An extrudable gypsum-based material is formed from a mixture that includes gypsum in the range of about 40 to 90% by dry weight percent, a secondary material in the range of about 0.1 to 50% by dry weight percent, a reinforcement fiber in the range of about 1 to 20% by dry weight percent, a rheology modifying agent in the range of about 0.5 to 10% by dry weight percent, a retarder in the range of about 0.1 to 8% by dry weight percent, a water in the range of 10 to 50% of a total wet material weight.

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