Patent · US Expired

Phonograph disk care product

US4647395A · kind A · utility

0Cited by

7References

14Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Elmar Heiskel · Dreieich, DE
Thomas Blank · Regensburg, DE

Key dates

Filing date	Sep 20, 1985
Grant date	Mar 3, 1987
Priority date	—
Expiry date	Sep 20, 2005

Classification

Technology area (CPC G)Physics
CPC primaryG11B3/58
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A homogeneous wax-free single-phase liquid disk care agent contains a water-soluble silicone oil, in particular a siloxane-glycol copolymer. Preferably the liquid phase consists mainly of FKW 113.

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