Use of nonionic surfactants for preventing the fogging of plastic surfaces and preparations containing these surfactants

US5030280A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Rainer Hoefer · Goldkronach, DE
• Dieter Krampitz · Rheydt, DE

Key dates

• Filing date: Apr 26, 1989
• Grant date: Jul 9, 1991
• Expiry date: Apr 26, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J7/065
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

Nonionic surfactants which are liquid at ambient temperature and have an HLB value of from 2 to less than 13 are used for preventing the fogging of plastic surfaces and afford effective washproof protection against fogging.