Patent · US Active

Hydraulic binder composition

US8765845B2 · kind B2 · utility

2Cited by

9References

20Claims

0Family size

Assignee

LAMBERTI SPA · IT

Inventors

Barbara Biasotti · Casarza Ligure, IT
Max Giudici · Saronno, IT
Ugo Pfeiffer · Milano, IT
Valentina Langella · Milano, IT
Giovanni Floridi · Novara, IT
Giuseppe Li Bassi · Varese, IT

Key dates

Filing date	Dec 15, 2011
Grant date	Jul 1, 2014
Priority date	—
Expiry date	Dec 15, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L5/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Compositions comprising a hydraulic binder such as cement or gypsum and a hydroxypropyl guar derivative that comprises unsubstituted linear or branched C6-C8 alkyl chains possess excellent water retention characteristics.

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