Fly ash-based cementitious mixture

US9023149B1 · kind B1 · utility

Assignee

• Calstar Products, Inc. · US

Inventors

• Kyle Scott Douglas · Palo Alto, US
• Dustin Marion Hulbert · Concord, US
• Amitabha Kumar · Shadnagar, IN
• Thomas McClure Pounds · Monte Sereno, US
• Julie Robyn Rapoport · Mountain View, US
• Michael Alexander Telischak · Shorewood, US
• Susanne Rebecca Williams · Newark, US

Key dates

• Filing date: Nov 22, 2013
• Grant date: May 5, 2015
• Expiry date: Nov 22, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W30/91
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A cementitious mixture for high-volume production of masonry products comprises a hydraulic binder accounting for 20 wt % or more of the cementitious mixture, the hydraulic binder comprising 75 to 100 wt % Class C fly ash with a CaO equivalent content of at least 15% by weight. The cementitious mixture also comprises one or more aggregates, and a set control system.