Patent · US Active

Surface-treated fillers for breathable films

US10287407B2 · kind B2 · utility

2Cited by

9References

24Claims

0Family size

Assignee

OMYA INTERNATIONAL AG · CH

Inventors

Martin Brunner · Pforzheim, DE
René Burkhalter · Herzogenbuchsee, CH
Tazio Fornera · Zofingen, CH
Samuel Rentsch · Aarburg, CH
Michael Tinkl · Weil am Rhein, DE
Francesco Pullega · Bologna, IT
Monroe Moore · South Burlington, US

Key dates

Filing date	Aug 12, 2015
Grant date	May 14, 2019
Priority date	—
Expiry date	Sep 16, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2201/006
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a breathable film comprising at least one thermoplastic polymer and a surface-treated filler material product comprising a treatment layer comprising at least one mono-substituted succinic anhydride and/or at least one mono-substituted succinic acid and/or salty reaction product(s) thereof, a process for producing the same, and the use thereof. Furthermore, the present invention is directed to the use of a surface-treated filler material product comprising a treatment layer comprising at least one mono-substituted succinic anhydride and/or at least one mono-substituted succinic acid and/or salty reaction product(s) thereof in breathable films.

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