EP 0178354 A1 19860423 - Quench oils, quench oil concentrates, method of heat treating a ferro-metal and articles made therefrom.
Title (en)
Quench oils, quench oil concentrates, method of heat treating a ferro-metal and articles made therefrom.
Title (de)
Abschrecköle, Konzentrate für Abschrecköle, Wärmebehandlungsverfahren von Eisen-Metallen und so behandelte Gegenstände.
Title (fr)
Huiles de trempe, concentrats pour huiles de trempe, procédé de traitement thermique de métaux ferreux et produits ainsi traités.
Publication
Application
Priority
EP 84307104 A 19841017
Abstract (en)
An improved quench oil for use in heat treating ferrometals comprises a major amount of mineral oil, an olefinic polymer, an ashless antioxidant, and, optionally, an alkaline earth metal or an alkali metal detergent.
IPC 1-7
IPC 8 full level
C21D 1/58 (2006.01)
CPC (source: EP)
C21D 1/58 (2013.01)
Citation (search report)
- [X] GB 951139 A 19640304 - SHELL INT RESEARCH
- [Y] EP 0113157 A1 19840711 - COOPER & CO LTD EDWIN [GB]
- [Y] US 2340724 A 19440201 - ZUR HORST CLIFFORD G, et al
- [AD] US 3866603 A 19750218 - WILPERS DALE J
- [A] US 2866729 A 19581230 - FREDERICK ZIMPEL CARL
- [A] US 2614990 A 19521021 - DENHAM HARMAN, et al
- [A] GB 1224636 A 19710310 - EXXON RESEARCH ENGINEERING CO [US]
- [A] GB 1137187 A 19681218 - EXXON RESEARCH ENGINEERING CO
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
DOCDB simple family (application)
EP 84307104 A 19841017; JP 23226585 A 19851017