Patent · US Expired

Hydrophilic additives

US7157513B2 · kind B2 · utility

0Cited by

6References

22Claims

0Family size

Assignee

Cognis Deutschland GmbH & Co. KG · DE

Inventors

Christine Wild · Hilden, DE
Raymond Mathis · Goldkronach, DE
Paul Birnbrich · Solingen, DE
Petra Padurschel · Mettmann, DE

Key dates

Filing date	May 7, 2002
Grant date	Jan 2, 2007
Priority date	—
Expiry date	Jun 13, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2965
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention relates to hydrophilic additives for synthetic fibres containing polyolefin; said additives are represented by general formula (I): A—B—C—B—A wherein A is a radical R—COO, wherein R represents a saturated, cross-linked or non-cross-linked alkyl radical having 7–21 C atoms, B represents a group (CnH2nO)k, wherein n is a whole number from 2–4 and k can have a value of 1–15, C represents a linear or cross-linked alkylene radical having at least 2 and at the most 6 C atoms and the radical C can be, optionally, interrupted by oxygen atoms.

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