Patent · US Active

Paper coating compositions

US8877847B2 · kind B2 · utility

2Cited by

1References

20Claims

0Family size

Assignee

LAMBERTI SPA · IT

Inventors

Franco Federici · Busto Arsizio, IT
Thierry Bossi · Azzio, IT
Stefano Fumagalli · Cassano Magnago, IT
Riccardo Vago · Varese, IT
Giovanni Floridi · Novara, IT
Giuseppe Li Bassi · Varese, IT

Key dates

Filing date	Aug 30, 2011
Grant date	Nov 4, 2014
Priority date	—
Expiry date	Aug 30, 2031

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H21/10
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Paper coating compositions contain specific polyethers which are obtained by reacting a diglycidyl ether with a water soluble polyol containing at least one polyoxyethylene chain acting as deflocculants, water retention agents and gloss enhancers.

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