Patent · US Active

Filled polyvinyl chloride composition

US11945940B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Assignee

BYK-CHEMIE GMBH · DE

Inventors

Wolfgang Pritschins · Wesel, DE
Daniel Leibig · Wesel, DE
Martin Fischer · Ludwigshafen, DE
Thomas R. Fritsch · Villa Park, US
Jennifer Heitzer · Wesel, DE
Dennis Krüsmann · Wesel, DE

Key dates

Filing date	Apr 18, 2019
Grant date	Apr 2, 2024
Priority date	—
Expiry date	Jun 16, 2041

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE04C2/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A composition is provided comprising: a) polyvinylchloride, b) inorganic solid particles, and c) a polymer having a polyether segment, wherein at least 60 mol-% of the end groups of the polymer are selected from the group consisting of carboxylic acid groups and hydroxyl groups, and wherein at least a part of the end groups of the polymer is a carboxylic acid group, wherein the carboxylic acid end groups are linked to the polyether segment via a linking segment comprising an ester group.

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