Patent · US Expired

Pile-stabilizing silicon-containing textile agents

US4351736A · kind A · utility

30Cited by

6References

9Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Helmut Steinberger · Leverkusen, DE
Hans-Heinrich Moretto · Cologne, DE
Wilfried Kortmann · Hagen, DE
Josef Pfeiffer · Leverkusen, DE

Key dates

Filing date	Jan 22, 1981
Grant date	Sep 28, 1982
Priority date	—
Expiry date	Jan 22, 2001

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2962
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A textile pile-stabilizing impregnating agent comprising a colloidal suspension of silicic acid having SiO.sub.2 units and organosilsesquioxanes having units of the formula RSiO.sub.3/2 wherein R is an alkyl or aryl radical with up to 7 carbon atoms. It is produced by adding a silane of the formula RSi(OR').sub.3, together with a silane of the formula Si(OR').sub.4, wherein R is an alkyl or aryl radical with up to 7 carbon atoms, and R' is a hydrogen atom or an alkyl radical with 1 to 4 carbon atoms, to a mixture of water and a surface-active agent containing a buffer, the amount of silanes added being about 5 to 22% of the total weight of the addition plus mixture.

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